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mcs: fix double compression of prom handler #6339

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merged 2 commits into from
Apr 20, 2023

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@rleungx rleungx commented Apr 19, 2023

What problem does this PR solve?

Issue Number: Ref #5895.

What is changed and how does it work?

The root cause is prometheus/client_golang#622

Check List

Tests

  • Unit test

Release note

None.

Signed-off-by: Ryan Leung <rleungx@gmail.com>
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ti-chi-bot commented Apr 19, 2023

[REVIEW NOTIFICATION]

This pull request has been approved by:

  • JmPotato
  • nolouch

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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@ti-chi-bot ti-chi-bot added the release-note-none Denotes a PR that doesn't merit a release note. label Apr 19, 2023
@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Apr 19, 2023
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codecov bot commented Apr 19, 2023

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.12 ⚠️

Comparison is base (3cc745a) 75.22% compared to head (43ea058) 75.11%.

❗ Current head 43ea058 differs from pull request most recent head c92ccfe. Consider uploading reports for the commit c92ccfe to get more accurate results

Additional details and impacted files
@@            Coverage Diff             @@
##           master    #6339      +/-   ##
==========================================
- Coverage   75.22%   75.11%   -0.12%     
==========================================
  Files         408      405       -3     
  Lines       40427    40119     -308     
==========================================
- Hits        30412    30136     -276     
+ Misses       7376     7351      -25     
+ Partials     2639     2632       -7     
Flag Coverage Δ
unittests 75.11% <100.00%> (-0.12%) ⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files Coverage Δ
pkg/mcs/resource_manager/server/apis/v1/api.go 81.35% <100.00%> (ø)
pkg/mcs/tso/server/apis/v1/api.go 100.00% <100.00%> (ø)
pkg/mcs/utils/util.go 54.54% <100.00%> (+10.10%) ⬆️

... and 43 files with indirect coverage changes

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@rleungx rleungx requested a review from JmPotato April 20, 2023 03:24
@ti-chi-bot ti-chi-bot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Apr 20, 2023
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/merge

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@JmPotato: It seems you want to merge this PR, I will help you trigger all the tests:

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This pull request has been accepted and is ready to merge.

Commit hash: c92ccfe

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Apr 20, 2023
@ti-chi-bot ti-chi-bot merged commit 9078ea5 into tikv:master Apr 20, 2023
@rleungx rleungx deleted the fix-double-compression branch April 20, 2023 03:48
rleungx added a commit to rleungx/pd that referenced this pull request Jun 5, 2023
* client: refine serviceModeKeeper code (tikv#6201)

ref tikv#5895

Some code refinements for `serviceModeKeeper`.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* *: use revision for watch test (tikv#6205)

ref tikv#6071

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* *: remove unnecessary rand init (tikv#6207)

close tikv#6134

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* Refactor TSO forward/dispatcher to be shared by both PD and TSO (tikv#6175)

ref tikv#5895

Add general tso forward/dispatcher for independent pd(tso)/tso services and cross cluster forwarding.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* Add basic multi-keyspace-group management (tikv#6214)

ref tikv#5895

Support basic functions of multi-keyspace-group management

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* *: support keyspace group RESTful API (tikv#6229)

ref tikv#6231

Signed-off-by: Ryan Leung <rleungx@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* mcs: add more tso tests (tikv#6184)

ref tikv#5836

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* client: fix compatibility problem of pd client (tikv#6244)

close tikv#6243

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* *: unify the key prefix (tikv#6248)

ref tikv#5836

Signed-off-by: Ryan Leung <rleungx@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* *: remove cluster dependency from keyspace (tikv#6249)

ref tikv#6231

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* *: make code clear by rename `isServing` to `isRunning` (tikv#6258)

ref tikv#4399

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* cgroup: fix the path problem due to special container name (tikv#6267)

close tikv#6266

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* server: fix watch keyspace revision (tikv#6251)

ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* tso, server: refine the TSO allocator manager parameters (tikv#6269)

ref tikv#5895

- Refine the TSO allocator manager parameters.
- Always run `tsoAllocatorLoop` to advance the Global TSO.

Signed-off-by: JmPotato <ghzpotato@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* tso: unify the TSO ServiceConfig and ConfigProvider interfaces (tikv#6272)

ref tikv#5895

Unify the TSO `ServiceConfig` and `ConfigProvider` interfaces.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* Load initial assignment and dynamically watch/apply keyspace groups' membership/distribution change (tikv#6247)

ref tikv#6232

Load initial keyspace group assignment.
Dynamically watch/apply keyspace groups' membership/distribution change.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* *: define user kind for keyspace group (tikv#6241)

ref tikv#6231

Signed-off-by: Ryan Leung <rleungx@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* Add more failure tests when tso service loading initial keyspace groups assignment (tikv#6280)

ref tikv#6232

Add more failure tests when tso service loading initial keyspace groups assignment

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Apply multi-keyspace-group membership to tso service and handle inconsistency issue (tikv#6282)

ref tikv#6232

Apply multi-keyspace-group membership to tso service and handle inconsistency issue.

1. Add KeyspaceLookupTable to endpoint.KeyspaceGroup
type KeyspaceGroup struct {
        ...
        // KeyspaceLookupTable is for fast lookup if a given keyspace belongs to this keyspace group.
        // It's not persisted and will be built when loading from storage.
        KeyspaceLookupTable map[uint32]struct{} `json:"-"`
}

2. After loading keyspace groups, the Keyspace Group Manager builds KeyspaceLookupTable for every keyspace groups.

3. When Keyspace Group Manager handles tso requests, it uses the keyspaceLookupTable to check if the required keypsace still belongs to the required keyspace group. If not, returns the current keyspace group id in the tso response header.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* *: auto assign keyspace group (tikv#6268)

close tikv#6231

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* keyspace, api: support the keyspace group split (tikv#6293)

ref tikv#6232

Support the keyspace group split and add related tests.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* Improve lock mechanism in tso.KeyspaceGroupManager (tikv#6305)

ref tikv#6232

Use the RWMutex instead of individual atomic types to better protect the state of the keyspace group manager

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* keyspace: add split-from field for endpoint.KeyspaceGroup (tikv#6309)

ref tikv#6232

Add `split-from` field for `endpoint.KeyspaceGroup`.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* Add read lock at one place for protection and better structure (tikv#6310)

ref tikv#6232, ref tikv#6305

follow-up tikv#6305 
Add read lock at one place for protection and better structure

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* tso: optimize function signatures to reduce parameter passing (tikv#6315)

ref tikv#6232

Optimize function signatures to reduce parameter passing.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* *: bootstrap keyspace group when server is in API mode (tikv#6308)

ref tikv#6231

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* keyspace: avoid keyspace being updated during the split (tikv#6316)

ref tikv#6232

Prevent keyspace from being updated during the split.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* *: fix `TestConcurrentlyReset` (tikv#6318)

close tikv#6275

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* bootstrap default keyspace group in the tso service (tikv#6306)

ref tikv#6232

Changes:

1. Introduce the initialization logic of the default keyspace group.
- If the default keyspace group isn't configured in the etcd, every tso node/pod should initialize it and join the election for the primary of this group.
- If the default keyspace group is configured in the etcd, the tso nodes/pods which are assigned with this group will initialize it and join the election for the primary of this group.

2. Introduce the keyspace group membership restriction -- default keyspace always belongs to default keyspace group.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* *: change the log level (tikv#6324)

ref tikv#6232

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* *: fix the missing log panic (tikv#6325)

close tikv#6257

Signed-off-by: Ryan Leung <rleungx@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* mcs: fix watch primary address revision and update cache when meets not leader  (tikv#6279)

ref tikv#5895

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* tso, member: support TSO split based on keyspace group split (tikv#6313)

ref tikv#6232

Support TSO split based on keyspace group split.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* mcs: support metrics HTTP interface for tso/resource manager server (tikv#6329)

ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* tso: put finishSplitKeyspaceGroup into the critical section (tikv#6331)

ref tikv#6232

Put `finishSplitKeyspaceGroup` into the critical section.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* *: make `TestServerRegister` stable (tikv#6337)

close tikv#6334

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* tests: divide all tests into the CI chunks including submodule tests (tikv#6198)

ref tikv#6181, ref tikv#6183

Divide all tests into the CI chunks including submodule tests.

Signed-off-by: JmPotato <ghzpotato@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* tests: introduce TSO TestCluster in the test (tikv#6333)

ref tikv#6232

Introduce TSO `TestCluster` in the test.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* mcs: add balancer for keyspace group (tikv#6274)

close tikv#6233

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* Fixed bugs in tso service registry watching loop. (tikv#6346)

ref tikv#6343

Fixed the following two bugs:
1. When re-watch a range, to continue from what left by the last watch, the revision is wresp.Header.Revision + 1 instead of wresp.Header.Revision, where wresp.Header.Revision is the revision indicated in the response of the last watch. Because of this bug, it was processing the same event endless as you can see from the log below.
2. In tso service watch loop in /Users/binshi/code/pingcap/my-pd/pkg/keyspace/tso_keyspace_group.go, If this is delete event, the json.Unmarshal(event.Kv.Value, s) will fail with the error "unexpected end of JSON input", so there is no way to get s.serviceAddr from the result of json.Unmarshal.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs: fix double compression of prom handler (tikv#6339)

ref prometheus/client_golang#622, ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* tests, tso: add more TSO split tests (tikv#6338)

ref tikv#6232

Add more TSO split tests.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* keyspace, tso: fix next revision to watch after watch/Get/RangeScan (tikv#6353)

ref tikv#6232

The next revision to watch should always be Header.Revision + 1 where header is response header of watch/Get/RangeScan

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tests: use TSO cluster to do the failover test (tikv#6356)

ref tikv#5895

Use TSO cluster to do the failover test.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* fix startWatchLoop leak (tikv#6352)

Signed-off-by: Ryan Leung <rleungx@gmail.com>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: update client when meet transport is closing (tikv#6341)

* mcs: update client when meet transport is closing

Signed-off-by: lhy1024 <admin@liudos.us>

* address comments

Signed-off-by: lhy1024 <admin@liudos.us>

* add retry

Signed-off-by: lhy1024 <admin@liudos.us>

---------

Signed-off-by: lhy1024 <admin@liudos.us>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* add bootstrap test (tikv#6347)

Signed-off-by: Ryan Leung <rleungx@gmail.com>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* Fix flaky TestLoadKeyspaceGroupsAssignment test (tikv#6365)

Reduce the count of keyspace groups from 4096 to 512 in TestKeyspaceGroupManagerTestSuite/TestLoadKeyspaceGroupsAssignment to avoid timeout when test running slow.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tso: fix ts fallback caused by multi-primary of the same keyspace group  (tikv#6362)

* Change participant election-prifix from listen-addr to advertise-listen-addr to gurantee uniqueness.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Add TestPariticipantStartWithAdvertiseListenAddr

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Add comments to fix go fmt errors

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

---------

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Co-authored-by: Ryan Leung <rleungx@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* fix log output (tikv#6364)

Signed-off-by: Ryan Leung <rleungx@gmail.com>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: fix duplicate start of RaftCluster. (tikv#6358)

* Using double-checked locking to avoid duplicate start of RaftCluster.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Handle feedback

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* improve locking

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* handle feedback

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

---------

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Co-authored-by: Ryan Leung <rleungx@gmail.com>

* Add retry mechanism for updating keyspace group (tikv#6372)

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* mcs: add set handler for balancer and alloc node for default keyspace group (tikv#6342)

ref tikv#6233

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs, tso: fix Nil pointer deference when (*AllocatorManager).GetMember (tikv#6383)

close tikv#6381

If the desired keyspace group fall back to the default keyspace group and the AM isn't initialized, return not served error.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tso: support multi-keyspace-group and its service discovery in E2E path (tikv#6321)

ref tikv#6232

Support multi-keyspace-group in PD(TSO) client

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* client: add `NewClientWithKeyspaceName` for client (tikv#6380)

ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* keyspace, tso: check the replica count before the split (tikv#6382)

ref tikv#6233

Check the replica count before the split.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: lhy1024 <admin@liudos.us>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tso: fix bugs to make split test case to pass (tikv#6389)

ref tikv#6232

fix bugs to make split test case to pass

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* keyspace: patrol keyspace assignment before the first split (tikv#6388)

ref tikv#6232

Patrol the keyspace assignment before the first split to make sure every keyspace has its group assignment.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tests: fix Flaky TestMicroserviceTSOServer/TestConcurrentlyReset (tikv#6396)

close tikv#6385

Get a copy of now then call base.add, because now is shared by all goroutines and now.add() will add to itself which isn't atomic and multi-goroutine safe.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* keyspace, slice: improve code efficiency in membership ops (tikv#6392)

ref tikv#6231

Improve code efficiency in membership ops

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* tests: enable TestTSOKeyspaceGroupSplitClient (tikv#6398)

ref tikv#6232

Enable `TestTSOKeyspaceGroupSplitClient`.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tests: add more tests for multiple keyspace groups (tikv#6395)

ref tikv#5895

Add CheckMultiKeyspacesTSO() and WaitForMultiKeyspacesTSOAvailable in test utility. Add TestTSOKeyspaceGroupManager/TestKeyspacesServedByNonDefaultKeyspaceGroup. Cover TestGetTS, TestGetTSAsync, TestUpdateAfterResetTSO in TestMicroserviceTSOClient for multiple keyspace groups.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* tests: fix failpoint disable (tikv#6401)

ref tikv#4399

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* client: retry load keyspace meta when creating a new client (tikv#6402)

ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Fix test issue in TestRandomResignLeader. (tikv#6410)

close tikv#6404

We need to make sure the selected keyspaces are from different keyspace groups, otherwise multiple goroutines below could try to resign the primary of the same keyspace group and cause race condition.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* keyspace, api2: fix the keyspace assignment patrol consistency (tikv#6397)

ref tikv#6232

Fix the keyspace assignment patrol consistency.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: Ryan Leung <rleungx@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* election, tso: fix data race in lease.go (tikv#6379)

close tikv#6378

fix data race in lease.go

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: fix forward test with pd mode client (tikv#6290)

ref tikv#5895, ref tikv#6279, close tikv#6289

Signed-off-by: lhy1024 <admin@liudos.us>

* keyspace: patrol the keyspace assignment in batch (tikv#6411)

ref tikv#6232

Patrol the keyspace assignment in batch.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* etcdutil: add watch loop (tikv#6390)

close tikv#6391

Signed-off-by: lhy1024 <admin@liudos.us>

* mcs, tso: add API interface to obtain the TSO keyspace group member info (tikv#6373)

ref tikv#6232

Add API interface to obtain the TSO keyspace group member info.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* pkg: move operator_check out from test_util tikv#6162

Signed-off-by: lhy1024 <admin@liudos.us>

* keysapce: wait region split when creating keyspace (tikv#6414)

ref tikv#6231

Signed-off-by: zeminzhou <zhouzemin@pingcap.com>
Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: zzm <zhouzemin@pingcap.com>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* mcs: use getClusterInfo to check whether api service is ready (tikv#6422)

ref tikv#5836

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* fix data race by replace clone (tikv#6242)

close tikv#6230

Signed-off-by: bufferflies <1045931706@qq.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Signed-off-by: lhy1024 <admin@liudos.us>

* fix test and git mod tidy

Signed-off-by: lhy1024 <admin@liudos.us>

* revert makefile

Signed-off-by: lhy1024 <admin@liudos.us>

* fix ctx in watch loop

Signed-off-by: lhy1024 <admin@liudos.us>

* delete pd-tests.yaml

Signed-off-by: lhy1024 <admin@liudos.us>

* pd-ctl, tests: add the keyspace group commands (tikv#6423)

ref tikv#6232

Add the keyspace group commands to show and split keyspace groups.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Handle compatibility issue in GetClusterInfo RPC (tikv#6434)

ref tikv#5895, close tikv#6448

Handle the compatibility issue in the GetClusterInfo RPC

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* Provide GetMinTS API to solve the compatibility issue brought by multi-timeline tso (tikv#6421)

ref tikv#6142

1. Import kvproto change to introduce GetMinTS rpc in the TSO service.
6. Add server side implementation for GetMinTS rpc.
7. Add client side implementation for GetMinTS rpc.
8. Add unit test

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* tso: use less interval when waiting api service (tikv#6451)

close tikv#6449

Signed-off-by: lhy1024 <admin@liudos.us>

* etcdutil: fix ctx in watch loop (tikv#6445)

close tikv#6439

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* Fix "non-default keyspace groups use the same timestamp path by mistake" (tikv#6457)

close tikv#6453, close tikv#6465

The tso servers are loading keyspace groups asynchronously. Make sure all keyspace groups
are available for serving tso requests from corresponding keyspaces by querying
IsKeyspaceServing(keyspaceID, the Desired KeyspaceGroupID). if use default keyspace group id
in the query, it will always return true as the keyspace will be served by default keyspace group
before the keyspace groups are loaded.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>

* TSO microservice discovery fallback path shouldn't call FindGroupByKeyspaceID (tikv#6473)

close tikv#6472

TSO microservice discovery fallback path shouldn't call FindGroupByKeyspaceID

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Revert "cgroup: fix the path problem due to special container name (tikv#6267)"

This reverts commit 0c4cf7f947799e5c45d6e37448475b921044bdde.

* *: rm debug file (tikv#6458)

ref tikv#4399

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Revert "*: remove unnecessary rand init (tikv#6207)"

This reverts commit 7383ded7581c417a3866da271eb2ec0a27b5a6c8.

* mcs, tso: handle null keyspace (tikv#6476)

ref tikv#5895

For API V1 and legacy path (NewClientWithContext w/o keyspace id/name),
using Null Keypsace ID (uint32max) instead of default keyspace id and
make sure it can be served by the default keyspace group's timeline. Modifying test accordingly.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tso: print TSO service discovery fallback log just once (tikv#6478)

ref tikv#5895

Print TSO service discovery fallback log just once

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* client: return error if the keyspace meta cannot be found (tikv#6479)

ref tikv#6142

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* client: support use API context to create client (tikv#6482)

ref tikv#6142

Signed-off-by: Ryan Leung <rleungx@gmail.com>

---------

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>
Signed-off-by: Ryan Leung <rleungx@gmail.com>
Signed-off-by: JmPotato <ghzpotato@gmail.com>
Co-authored-by: JmPotato <ghzpotato@gmail.com>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Co-authored-by: Ryan Leung <rleungx@gmail.com>
Co-authored-by: Bin Shi <39923490+binshi-bing@users.noreply.github.com>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
Co-authored-by: zzm <zhouzemin@pingcap.com>
Co-authored-by: buffer <1045931706@qq.com>
rleungx added a commit to rleungx/pd that referenced this pull request Aug 2, 2023
rleungx added a commit to rleungx/pd that referenced this pull request Aug 2, 2023
rleungx added a commit to rleungx/pd that referenced this pull request Dec 1, 2023
* Fixed bugs in tso service registry watching loop. (tikv#6346)

ref tikv#6343

Fixed the following two bugs:
1. When re-watch a range, to continue from what left by the last watch, the revision is wresp.Header.Revision + 1 instead of wresp.Header.Revision, where wresp.Header.Revision is the revision indicated in the response of the last watch. Because of this bug, it was processing the same event endless as you can see from the log below.
2. In tso service watch loop in /Users/binshi/code/pingcap/my-pd/pkg/keyspace/tso_keyspace_group.go, If this is delete event, the json.Unmarshal(event.Kv.Value, s) will fail with the error "unexpected end of JSON input", so there is no way to get s.serviceAddr from the result of json.Unmarshal.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs: fix double compression of prom handler (tikv#6339)

ref prometheus/client_golang#622, ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* tests, tso: add more TSO split tests (tikv#6338)

ref tikv#6232

Add more TSO split tests.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

* keyspace, tso: fix next revision to watch after watch/Get/RangeScan (tikv#6353)

ref tikv#6232

The next revision to watch should always be Header.Revision + 1 where header is response header of watch/Get/RangeScan

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tests: use TSO cluster to do the failover test (tikv#6356)

ref tikv#5895

Use TSO cluster to do the failover test.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* fix startWatchLoop leak (tikv#6352)

Signed-off-by: Ryan Leung <rleungx@gmail.com>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: update client when meet transport is closing (tikv#6341)

* mcs: update client when meet transport is closing

Signed-off-by: lhy1024 <admin@liudos.us>

* address comments

Signed-off-by: lhy1024 <admin@liudos.us>

* add retry

Signed-off-by: lhy1024 <admin@liudos.us>

---------

Signed-off-by: lhy1024 <admin@liudos.us>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* add bootstrap test (tikv#6347)

Signed-off-by: Ryan Leung <rleungx@gmail.com>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs, tso: fix ts fallback caused by multi-primary of the same keyspace group  (tikv#6362)

* Change participant election-prifix from listen-addr to advertise-listen-addr to gurantee uniqueness.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Add TestPariticipantStartWithAdvertiseListenAddr

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Add comments to fix go fmt errors

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

---------

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Co-authored-by: Ryan Leung <rleungx@gmail.com>

* fix log output (tikv#6364)

Signed-off-by: Ryan Leung <rleungx@gmail.com>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* fix data race issue in the store limit test (tikv#6370)

* fix data race issue in th estore limit test

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* fix gmt error

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

---------

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs: fix duplicate start of RaftCluster. (tikv#6358)

* Using double-checked locking to avoid duplicate start of RaftCluster.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Handle feedback

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* improve locking

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* handle feedback

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

---------

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Co-authored-by: Ryan Leung <rleungx@gmail.com>

* Add retry mechanism for updating keyspace group (tikv#6372)

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* etcdutil: revert etcd client without multi endpoint (tikv#6374)

ref tikv#6124

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: add set handler for balancer and alloc node for default keyspace group (tikv#6342)

ref tikv#6233

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs, tso: fix Nil pointer deference when (*AllocatorManager).GetMember (tikv#6383)

close tikv#6381

If the desired keyspace group fall back to the default keyspace group and the AM isn't initialized, return not served error.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tso: support multi-keyspace-group and its service discovery in E2E path (tikv#6321)

ref tikv#6232

Support multi-keyspace-group in PD(TSO) client

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* client: add `NewClientWithKeyspaceName` for client (tikv#6380)

ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* keyspace, tso: check the replica count before the split (tikv#6382)

ref tikv#6233

Check the replica count before the split.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: lhy1024 <admin@liudos.us>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tso: fix bugs to make split test case to pass (tikv#6389)

ref tikv#6232

fix bugs to make split test case to pass

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* keyspace: patrol keyspace assignment before the first split (tikv#6388)

ref tikv#6232

Patrol the keyspace assignment before the first split to make sure every keyspace has its group assignment.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tests: fix Flaky TestMicroserviceTSOServer/TestConcurrentlyReset (tikv#6396)

close tikv#6385

Get a copy of now then call base.add, because now is shared by all goroutines and now.add() will add to itself which isn't atomic and multi-goroutine safe.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* keyspace, slice: improve code efficiency in membership ops (tikv#6392)

ref tikv#6231

Improve code efficiency in membership ops

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* tests: enable TestTSOKeyspaceGroupSplitClient (tikv#6398)

ref tikv#6232

Enable `TestTSOKeyspaceGroupSplitClient`.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tests: add more tests for multiple keyspace groups (tikv#6395)

ref tikv#5895

Add CheckMultiKeyspacesTSO() and WaitForMultiKeyspacesTSOAvailable in test utility. Add TestTSOKeyspaceGroupManager/TestKeyspacesServedByNonDefaultKeyspaceGroup. Cover TestGetTS, TestGetTSAsync, TestUpdateAfterResetTSO in TestMicroserviceTSOClient for multiple keyspace groups.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* tests: fix failpoint disable (tikv#6401)

ref tikv#4399

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* client: retry load keyspace meta when creating a new client (tikv#6402)

ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Fix test issue in TestRandomResignLeader. (tikv#6410)

close tikv#6404

We need to make sure the selected keyspaces are from different keyspace groups, otherwise multiple goroutines below could try to resign the primary of the same keyspace group and cause race condition.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* keyspace, api2: fix the keyspace assignment patrol consistency (tikv#6397)

ref tikv#6232

Fix the keyspace assignment patrol consistency.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: Ryan Leung <rleungx@gmail.com>

* election, tso: fix data race in lease.go (tikv#6379)

close tikv#6378

fix data race in lease.go

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: fix forward test with pd mode client (tikv#6290)

ref tikv#5895, ref tikv#6279, close tikv#6289

Signed-off-by: lhy1024 <admin@liudos.us>

* keyspace: patrol the keyspace assignment in batch (tikv#6411)

ref tikv#6232

Patrol the keyspace assignment in batch.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* etcdutil: add watch loop (tikv#6390)

close tikv#6391

Signed-off-by: lhy1024 <admin@liudos.us>

* mcs, tso: add API interface to obtain the TSO keyspace group member info (tikv#6373)

ref tikv#6232

Add API interface to obtain the TSO keyspace group member info.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* keysapce: wait region split when creating keyspace (tikv#6414)

ref tikv#6231

Signed-off-by: zeminzhou <zhouzemin@pingcap.com>
Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: zzm <zhouzemin@pingcap.com>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: use getClusterInfo to check whether api service is ready (tikv#6422)

ref tikv#5836

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* pd-ctl, tests: add the keyspace group commands (tikv#6423)

ref tikv#6232

Add the keyspace group commands to show and split keyspace groups.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Handle compatibility issue in GetClusterInfo RPC (tikv#6434)

ref tikv#5895, close tikv#6448

Handle the compatibility issue in the GetClusterInfo RPC

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Provide GetMinTS API to solve the compatibility issue brought by multi-timeline tso (tikv#6421)

ref tikv#6142

1. Import kvproto change to introduce GetMinTS rpc in the TSO service.
6. Add server side implementation for GetMinTS rpc.
7. Add client side implementation for GetMinTS rpc.
8. Add unit test

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Disable TestGetMinTS since it's not stable (tikv#6459)

ref tikv#6453

Disable TestGetMinTS due to tikv#6453

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* tso: use less interval when waiting api service (tikv#6451)

close tikv#6449

Signed-off-by: lhy1024 <admin@liudos.us>

* etcdutil: fix ctx in watch loop (tikv#6445)

close tikv#6439

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* *: fix disable failpoint  (tikv#6412)

ref tikv#4399

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Fix "non-default keyspace groups use the same timestamp path by mistake" (tikv#6457)

close tikv#6453, close tikv#6465

The tso servers are loading keyspace groups asynchronously. Make sure all keyspace groups
are available for serving tso requests from corresponding keyspaces by querying
IsKeyspaceServing(keyspaceID, the Desired KeyspaceGroupID). if use default keyspace group id
in the query, it will always return true as the keyspace will be served by default keyspace group
before the keyspace groups are loaded.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* TSO microservice discovery fallback path shouldn't call FindGroupByKeyspaceID (tikv#6473)

close tikv#6472

TSO microservice discovery fallback path shouldn't call FindGroupByKeyspaceID

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tso: handle null keyspace (tikv#6476)

ref tikv#5895

For API V1 and legacy path (NewClientWithContext w/o keyspace id/name),
using Null Keypsace ID (uint32max) instead of default keyspace id and
make sure it can be served by the default keyspace group's timeline. Modifying test accordingly.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tso: print TSO service discovery fallback log just once (tikv#6478)

ref tikv#5895

Print TSO service discovery fallback log just once

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* client: return error if the keyspace meta cannot be found (tikv#6479)

ref tikv#6142

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* client: support use API context to create client (tikv#6482)

ref tikv#6142

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* client: fix the leak of the keyspace watch channel (tikv#6494)

ref tikv#4399

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* mcs, tso: implement GetMinTS gPRC on both API leader and PD client  (tikv#6488)

ref tikv#5895

implement GetMinTS gPRC on both API leader and the PD client.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* keyspace: add benchmarks for keyspace assignment patrol (tikv#6507)

ref tikv#5895

Add benchmarks for keyspace assignment patrol.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Print keyspace-group-id zap field in the tso log conditionally (tikv#6514)

ref tikv#5895

To keep the logging info in on-premises clean, we only print keyspace-group-id zap field
for the non-default keyspace group id.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Improve logging when tso keyspace group meta is updated. (tikv#6513)

close tikv#6512

Improve logging when tso keyspace group meta is updated.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tso: log tso service discovery info on the client side only when the primary is changed (tikv#6511)

close tikv#6508

Skip logging of the tso service discovery info when the secondar list is changed,
because tso servers currently don't have consistent view of the member list due to
remote etcd being used by tso service, which results in changing member list when
the client queries the tso servers in round-robin. We need to improve the server side
so that all tso servers can return the global consistent view of the keyspace groups'
serving or membership info.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: fix the members field is null (tikv#6518)

close tikv#6519

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* mcs, tso: remove unnecessary "create tso forwarding stream" log on the common happy path (tikv#6524)

close tikv#6517

Remove unnecessary "create tso forwarding stream" on the common happy path

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* fix watch keyspace (tikv#6528)

close tikv#6527

Signed-off-by: AmoebaProtozoa <8039876+AmoebaProtozoa@users.noreply.github.com>

* Fix tso server close stuck issue (tikv#6529)

ref tikv#5895, close tikv#6304

Rewrite TSO gPRC/HTTP server Close().

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tso: change keyspace group primary path. (tikv#6526)

ref tikv#5895

mcs, tso: change keyspace group primary path.

The path for non-default keyspace group primary election changes
from  "/ms/{cluster_id}/tso/{group}/primary" to "/ms/{cluster_id}/tso/keyspace_groups/election/{group}/primary".
Default keyspace group keeps /ms/{cluster_id}/tso/00000/primary.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* tso: fix flaky test TestHandleTSORequestWithWrongMembership (tikv#6533)

close tikv#6532

Add loop to wait for primary election to complete so that the tso service availability is deterministic.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Add TestUpgradingAPIandTSOClusters (tikv#6534)

ref tikv#5895

Add TestUpgradingAPIandTSOClusters to test the scenario that after we restart the API cluster
then restart the TSO cluster, the TSO service can still serve TSO requests normally.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs: add a test for starting tso server first (tikv#6535)

ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: support pprof for microservices (tikv#6541)

ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* mcs, tso: delete the tso ms discovery when switching away from API mode. (tikv#6544)

close tikv#6543

When switching from the PD mode to the API mode, the old tso microservice discovery isn't needed anymore,
and all resources can be released to avoid noisy error logs when the component trying to discover
the non-existent tso microservice.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* keyspace: adjust `keyspacePatrolBatchSize` to avoid too many operations in txn request (tikv#6562)

close tikv#6561

Signed-off-by: lhy1024 <admin@liudos.us>

* *: fix some log issues (tikv#6568)

ref tikv#5895, ref tikv#6390

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* Simplify TSO Proxy implementation by using one forward stream for one gPRC stream (tikv#6572)

close tikv#6549, ref tikv#6565

Simplify tso proxy implementation by using one forward stream for one grpc.ServerStream.
tikv#6565 is a longer term solution for both follower batching and tso microservice. 
It's well implemented, but just need more time to bake, and we need a short term workable solution for now.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* Improve tso proxy reliability (tikv#6585)

ref tikv#5895

Improve tso proxy reliability.

1. Add protection mechanisms to TSO Proxy.
    a. Throttle the concurrency of TSO Proxy streamings. Default 5000.
    b. If TSO Proxy didn't receive the TSO request from the client for 1 hour, close the stream.
2. Optimize forceLoad lock with RW lock.
3. Enable stress test.
4. Add deadline for API leader forwarding request to TSO service.
5. Make tso response channel more safely.
6. Move tso proxy stress test away from the test suite as it has impact on other test cases.
7. Fix grpc client connection pool (server side) resource leak problem.
8. Make MaxConcurrentTSOProxyStreamings (5000 as default) and TSOProxyClientRecvTimeout (1 hour as default) configurable.
9. Add metrics tsoProxyHandleDuration, tsoProxyBatchSize and tsoProxyForwardTimeoutCounter.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* tests: make TestSplitKeyspaceGroup stable (tikv#6584)

close tikv#6571

Signed-off-by: lhy1024 <admin@liudos.us>

* Add keyspace and keyspace group info to the time fallback log. (tikv#6581)

ref tikv#5895

Add keyspace and keyspace group info to the time fallback log to help debugging time fallback issue in multi-timeline scenario.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* config, server: fault injection in TSO Proxy (tikv#6588)

ref tikv#5895

Add failure test cases.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tso: fix stream Send() and CloseSend() data race issue in TSO proxy (tikv#6591)

close tikv#6590

No need to call SendClose(), because TSO proxy will cancel the stream context which will cause the corresponding grpc stream on the server side to exit.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs, tso: fix potential inconsistency caused by non-atomic applying keyspace movement state change in the persistent store (tikv#6596)

ref tikv#5895

fix potential inconsistency caused by non-atomic applying the state change in the persistent in the following cases:
1. Keyspace group split/merge
2. Keyspace movement across keyspace groups.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* keyspace, apiv2: implement the keyspace group merging API (tikv#6594)

ref tikv#6589

Implement the keyspace group merging API.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* keyspace: prohibit merging the default keyspace group (tikv#6606)

ref tikv#6589

Prohibit merging the default keyspace group.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* client: fix keyspace update in `tsoSvcDiscovery` (tikv#6612)

close tikv#6611

Signed-off-by: lhy1024 <admin@liudos.us>

* keyspace: enhance LockGroup with RemoveEntryOnUnlock LockOption (tikv#6629)

close tikv#6628

Enhance LockGroup with RemoveEntryOnUnlock.
Remove the lock of the given key from the lock group when unlock to keep minimal working set, which is suited for low qps, non-time-critical and non-consecutive large key space scenarios. One example of the last use case is that keyspace group split loads non-consecutive keyspace meta in batches and lock all loaded keyspace meta within a batch at the same time.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* keyspace: add priority of tso node for the keyspace group (tikv#6602)

ref tikv#6599

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tests: reduce unnecessary time.sleep in keyspace group (tikv#6632)

ref tikv#6599

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Add keyspace group info in the timestamp fallback log in the client. (tikv#6654)

ref tikv#5895

Add keyspace group info in the timestamp fallback log in the client.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* tso: fix checkTSOSplit to finish split correctly (tikv#6652)

ref tikv#6232

Fix `checkTSOSplit` to finish split correctly.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tests: fix TestTSOKeyspaceGroupSplitClient to avoid unexpected panic (tikv#6655)

close tikv#6634

Fix `TestTSOKeyspaceGroupSplitClient` to avoid unexpected panic

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* mcs: add log for finishing split (tikv#6656)

ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* client: fix the keyspace ID RW race inside tsoServiceDiscovery (tikv#6657)

ref tikv#5895

Fix the keyspace ID RW race inside `tsoServiceDiscovery`.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tso, tests: implement the keyspace group merge checker (tikv#6625)

ref tikv#6589

Implement the keyspace group merge checker.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* keyspace, apiv2: support to split keyspace group with the keyspace ID range (tikv#6646)

ref tikv#6232

Support to split keyspace group with the keyspace ID range.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs, tso: fix expensive async forwardTSORequest() and its timeout mechanism. (tikv#6664)

ref tikv#6659

Fix expensive async forwardTSORequest() and its timeout mechanism.

In order to handle the timeout case for forwardStream send/recv, the existing logic is to create 
context.withTimeout(forwardCtx,...) for every request, then start a new goroutine "forwardTSORequest", 
which is very expensive as shown by the profiling in tikv#6659. 

This change create a watchDeadline routine per forward stream and reuse it for all the forward requests
in which forwardTSORequest is called synchronously. Compared to the existing logic, the new change
is much cheaper and the latency is much stable.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs, tso: support weighted-election for TSO keyspace group primary election (tikv#6617)

close tikv#6616

Add the tso server registry watch loop in tso's keyspace group manager.
re-distribute TSO keyspace group primaries according to their replica priorities

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* tools: add merge commands for pd-ctl (tikv#6675)

ref tikv#6589

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Add split-range cmd and fix duplicate keyspaces (tikv#6689)

close tikv#6687, close tikv#6688

Add split-range cmd and fix duplicate keyspaces
    
    1. Add split-range cmd to support StartKeyspaceID and EndKeyspaceID parameters.
    2. Fix "split 0 2 2 2" generate duplicate keyspaces in the keyspace list of the group"

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* *: add group id to error logs (tikv#6695)

close tikv#6685

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tools: add keepalive for pd-tso-bench (tikv#6699)

close tikv#6681

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Add more debugging info to time fallback log. (tikv#6700)

ref tikv#5895

Add more debugging info to time fallback log.
[2023/06/27 10:50:54.196 -07:00] [PANIC] [tso_dispatcher.go:764] ["[tso] timestamp fallback"] 
[dc-location=global] [keyspace=4294967295]
[last-ts="(1687888254152, 1)"] [cur-ts="(1687888254052, 2)"] 
[last-tso-server=127.0.0.1:3380] [cur-tso-server=127.0.0.1:3380]
[last-keyspace-group-in-request=0] [cur-keyspace-group-in-request=0] 
[last-keyspace-group-in-response=0] [cur-keyspace-group-in-response=0] 
[last-response-received-at=2023/06/27 10:50:54.195 -07:00]
[cur-response-received-at=2023/06/27 10:50:54.196 -07:00]

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* keyspace: refine the split and merge details (tikv#6707)

close tikv#6686, close tikv#6698

- Adjust the merge operation order.
- Add some logs.
- Refine the code.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* tools: support querying keyspace group by state (tikv#6706)

ref tikv#5895

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tools: support get all groups (tikv#6714)

ref tikv#5895, ref tikv#6706

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* Fix data race between read APIs and finshiSplit/finishMerge in keyspace group manager (tikv#6723)

close tikv#6721

checkTSOMerge and checkTSOSplit will read from kgm.getKeyspaceGroupMeta

finishMergeKeyspaceGroup and finishSplitKeyspaceGroup will update kgm

so just return a copy to avoid data race

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* tso: fix memory leak introduced by timer.After (tikv#6730)

close tikv#6719, ref tikv#6720

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs, tso: fix split and split-range command bugs. (tikv#6732)

close tikv#6687, close tikv#6731

Fix split and split-range command bugs.

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* mcs: use patch method in keyspace group (tikv#6713)

ref tikv#6233

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* *: fix memory leak introduced by timer.After (tikv#6720)

close tikv#6719

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tso: implement groupSplitPatroller to speed up the split process (tikv#6736)

ref tikv#5895, close tikv#6696

Implement `groupSplitPatroller` to speed up the split process.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* client: fix tso service discovery at the first time for NewClientWithAPIContext (tikv#6749)

close tikv#6748

After NewClientWithAPIContextV2 returns, the keyspace group should be discovered by the passed keyspace name immediately

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

* *: add test for misusing keyspace ID when creating the client (tikv#6754)

ref tikv#6747, ref tikv#6748, ref tikv#6749

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* tso: support multi-keyspace, fault injection and keyspace-name in pd-tso-bench (tikv#6608)

ref tikv#5895

support multi-keyspace, fault injection and keyspace-name in pd-tso-bench

Signed-off-by: Bin Shi <binshi.bing@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* *: make test great again (tikv#6767)

close tikv#6761

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* tso: implement deletedGroupCleaner to clean up the legacy TSO key (tikv#6745)

close tikv#6589

- Implement `deletedGroupCleaner` to clean up the legacy TSO key.
- Extract the timestamp key path constructor.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* client, tests: allow TSO fallback happens in TestMixedTSODeployment (tikv#6740)

close tikv#6634

Introduce `WithAllowTSOFallback` client option to bypass the panic in `TestMixedTSODeployment`.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* tso: allow mergedTS to be zero in mergingChecker (tikv#6758)

ref tikv#6589

Since it's possible that a keyspace group is to be deleted and merged before its TSO is initialized,
we should allow `mergedTS` to be zero in `mergingChecker`. This PR allows this case and only
block the merging when loading the TSO meets the error.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* *: move keyspace group primary path code to key_path.go (tikv#6755)

ref tikv#5895

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: add log flags (tikv#6777)

ref tikv#5766

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* keyspace, tso, apiv2: impl the interface to merge all keyspace groups into the default (tikv#6757)

ref tikv#6756

Impl the interface to merge all keyspace groups into the default.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* pdctl: support show keyspace group primary (tikv#6747)

close tikv#6746

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* pd-ctl, tests: impl the merge all keyspace groups command (tikv#6782)

close tikv#6756

- Impl the merge all keyspace groups command.
- Further reuse of TSO cluster-related test code.

Signed-off-by: JmPotato <ghzpotato@gmail.com>

* *: fix test suite race (tikv#6784)

close tikv#6772

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* keyspace: fix data race (tikv#6797)

Signed-off-by: lhy1024 <admin@liudos.us>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* pdctl: support show keyspace meta with refresh group id (tikv#6751)

close tikv#6746

Signed-off-by: lhy1024 <admin@liudos.us>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* mcs: Refactor ServicePath to make caller's life easier (tikv#6799)

close tikv#6800

Signed-off-by: Xiaoguang Sun <sunxiaoguang@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* Remove the lastPhysical check in dispatchClient (tikv#6812)

* *: fix `TestGetTSOImmediately` (tikv#6811)

close tikv#6795

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* etcdutil, leadership: make more high availability (tikv#6577)

close tikv#6554

Signed-off-by: lhy1024 <admin@liudos.us>

* keyspace: some cherry-pick from pd-cse (tikv#6477)

ref tikv#4399

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* *: cherry pick some keyspace related things (tikv#6840)

ref tikv#4399

Signed-off-by: disksing <i@disksing.com>
Signed-off-by: Evan Zhou <coocood@gmail.com>
Signed-off-by: AmoebaProtozoa <8039876+AmoebaProtozoa@users.noreply.github.com>
Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: disksing <i@disksing.com>
Co-authored-by: Evan Zhou <coocood@gmail.com>
Co-authored-by: David <8039876+AmoebaProtozoa@users.noreply.github.com>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>

* *: fix the split problem caused by no enough replicas (tikv#6555)

close tikv#6550

Signed-off-by: Ryan Leung <rleungx@gmail.com>

* resolve conflicts

Signed-off-by: Ryan Leung <rleungx@gmail.com>

---------

Signed-off-by: Bin Shi <binshi.bing@gmail.com>
Signed-off-by: Ryan Leung <rleungx@gmail.com>
Signed-off-by: JmPotato <ghzpotato@gmail.com>
Signed-off-by: lhy1024 <admin@liudos.us>
Signed-off-by: AmoebaProtozoa <8039876+AmoebaProtozoa@users.noreply.github.com>
Co-authored-by: Bin Shi <39923490+binshi-bing@users.noreply.github.com>
Co-authored-by: JmPotato <ghzpotato@gmail.com>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
Co-authored-by: lhy1024 <admin@liudos.us>
Co-authored-by: zzm <zhouzemin@pingcap.com>
Co-authored-by: David <8039876+AmoebaProtozoa@users.noreply.github.com>
Co-authored-by: Xiaoguang Sun <sunxiaoguang@users.noreply.github.com>
Co-authored-by: disksing <i@disksing.com>
Co-authored-by: Evan Zhou <coocood@gmail.com>
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