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Instrument get_metadata_for_events for tracing #13730

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Sep 7, 2022
Merged

Instrument get_metadata_for_events for tracing #13730

merged 3 commits into from
Sep 7, 2022

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@MadLittleMods MadLittleMods commented Sep 7, 2022 •
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Instrument get_metadata_for_events for tracing

When backfilling, _get_state_ids_after_missing_prev_event calls get_metadata_for_events. For #matrix:matrix.org, it's called with 77k state_events which means 77 calls to the database and takes 28 seconds.

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@MadLittleMods MadLittleMods added the T-Task Refactoring, removal, replacement, enabling or disabling functionality, other engineering tasks. label Sep 7, 2022
@MadLittleMods MadLittleMods changed the title Trace get_metadata_for_events Instrument get_metadata_for_events for tracing Sep 7, 2022
@MadLittleMods MadLittleMods added the A-Messages-Endpoint /messages client API endpoint (`RoomMessageListRestServlet`) (which also triggers /backfill) label Sep 7, 2022
@MadLittleMods MadLittleMods marked this pull request as ready for review September 7, 2022 07:47
@MadLittleMods MadLittleMods requested a review from a team as a code owner September 7, 2022 07:47
@MadLittleMods MadLittleMods merged commit d4d3249 into develop Sep 7, 2022
@MadLittleMods MadLittleMods deleted the madlittlemods/trace-get_metadata_for_events branch September 7, 2022 16:41
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Thanks for the review @erikjohnston 🐒

Fizzadar added a commit to beeper/synapse-legacy-fork that referenced this pull request Sep 30, 2022
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Merge tag 'v1.68.0' into beeper
c5bdd1e 
Synapse 1.68.0 (2022-09-27)
===========================

Please note that Synapse will now refuse to start if configured to use a version of SQLite older than 3.27.

In addition, please note that installing Synapse from a source checkout now requires a recent Rust compiler.
Those using packages will not be affected. On most platforms, installing with `pip install matrix-synapse` will not be affected.
See the [upgrade notes](https://matrix-org.github.io/synapse/v1.68/upgrade.html#upgrading-to-v1680).

Bugfixes
--------

- Fix packaging to include `Cargo.lock` in `sdist`. ([\matrix-org#13909](matrix-org#13909))

Synapse 1.68.0rc2 (2022-09-23)
==============================

Bugfixes
--------

- Fix building from packaged sdist. Broken in v1.68.0rc1. ([\matrix-org#13866](matrix-org#13866))

Internal Changes
----------------

- Fix the release script not publishing binary wheels. ([\matrix-org#13850](matrix-org#13850))
- Lower minimum supported rustc version to 1.58.1. ([\matrix-org#13857](matrix-org#13857))
- Lock Rust dependencies' versions. ([\matrix-org#13858](matrix-org#13858))

Synapse 1.68.0rc1 (2022-09-20)
==============================

Features
--------

- Keep track of when we fail to process a pulled event over federation so we can intelligently back off in the future. ([\matrix-org#13589](matrix-org#13589), [\matrix-org#13814](matrix-org#13814))
- Add an [admin API endpoint to fetch messages within a particular window of time](https://matrix-org.github.io/synapse/v1.68/admin_api/rooms.html#room-messages-api). ([\matrix-org#13672](matrix-org#13672))
- Add an [admin API endpoint to find a user based on their external ID in an auth provider](https://matrix-org.github.io/synapse/v1.68/admin_api/user_admin_api.html#find-a-user-based-on-their-id-in-an-auth-provider). ([\matrix-org#13810](matrix-org#13810))
- Cancel the processing of key query requests when they time out. ([\matrix-org#13680](matrix-org#13680))
- Improve validation of request bodies for the following client-server API endpoints: [`/account/3pid/msisdn/requestToken`](https://spec.matrix.org/v1.3/client-server-api/#post_matrixclientv3account3pidmsisdnrequesttoken), [`/org.matrix.msc3720/account_status`](https://github.com/matrix-org/matrix-spec-proposals/blob/babolivier/user_status/proposals/3720-account-status.md#post-_matrixclientv1account_status), [`/account/3pid/add`](https://spec.matrix.org/v1.3/client-server-api/#post_matrixclientv3account3pidadd), [`/account/3pid/bind`](https://spec.matrix.org/v1.3/client-server-api/#post_matrixclientv3account3pidbind), [`/account/3pid/delete`](https://spec.matrix.org/v1.3/client-server-api/#post_matrixclientv3account3piddelete) and [`/account/3pid/unbind`](https://spec.matrix.org/v1.3/client-server-api/#post_matrixclientv3account3pidunbind). ([\matrix-org#13687](matrix-org#13687), [\matrix-org#13736](matrix-org#13736))
- Document the timestamp when a user accepts the consent, if [consent tracking](https://matrix-org.github.io/synapse/latest/consent_tracking.html) is used. ([\matrix-org#13741](matrix-org#13741))
- Add a `listeners[x].request_id_header` configuration option to specify which request header to extract and use as the request ID in order to correlate requests from a reverse proxy. ([\matrix-org#13801](matrix-org#13801))

Bugfixes
--------

- Fix a bug introduced in Synapse 1.41.0 where the `/hierarchy` API returned non-standard information (a `room_id` field under each entry in `children_state`). ([\matrix-org#13506](matrix-org#13506))
- Fix a long-standing bug where previously rejected events could end up in room state because they pass auth checks given the current state of the room. ([\matrix-org#13723](matrix-org#13723))
- Fix a long-standing bug where Synapse fails to start if a signing key file contains an empty line. ([\matrix-org#13738](matrix-org#13738))
- Fix a long-standing bug where Synapse would fail to handle malformed user IDs or room aliases gracefully in certain cases. ([\matrix-org#13746](matrix-org#13746))
- Fix a long-standing bug where device lists would remain cached when remote users left and rejoined the last room shared with the local homeserver. ([\matrix-org#13749](matrix-org#13749), [\matrix-org#13826](matrix-org#13826))
- Fix a long-standing bug that could cause stale caches in some rare cases on the first startup of Synapse with replication. ([\matrix-org#13766](matrix-org#13766))
- Fix a long-standing spec compliance bug where Synapse would accept a trailing slash on the end of `/get_missing_events` federation requests. ([\matrix-org#13789](matrix-org#13789))
- Delete associated data from `event_failed_pull_attempts`, `insertion_events`, `insertion_event_extremities`, `insertion_event_extremities`, `insertion_event_extremities` when purging the room. ([\matrix-org#13825](matrix-org#13825))

Improved Documentation
----------------------

- Note that `libpq` is required on ARM-based Macs. ([\matrix-org#13480](matrix-org#13480))
- Fix a mistake in the config manual introduced in Synapse 1.22.0: the `event_cache_size` _is_ scaled by `caches.global_factor`. ([\matrix-org#13726](matrix-org#13726))
- Fix a typo in the documentation for the login ratelimiting configuration. ([\matrix-org#13727](matrix-org#13727))
- Define Synapse's compatability policy for SQLite versions. ([\matrix-org#13728](matrix-org#13728))
- Add docs for the common fix of deleting the `matrix_synapse.egg-info/` directory for fixing Python dependency problems. ([\matrix-org#13785](matrix-org#13785))
- Update request log format documentation to mention the format used when the authenticated user is controlling another user. ([\matrix-org#13794](matrix-org#13794))

Deprecations and Removals
-------------------------

- Synapse will now refuse to start if configured to use SQLite < 3.27. ([\matrix-org#13760](matrix-org#13760))
- Don't include redundant `prev_state` in new events. Contributed by Denis Kariakin (@dakariakin). ([\matrix-org#13791](matrix-org#13791))

Internal Changes
----------------

- Add a stub Rust crate. ([\matrix-org#12595](matrix-org#12595), [\matrix-org#13734](matrix-org#13734), [\matrix-org#13735](matrix-org#13735), [\matrix-org#13743](matrix-org#13743), [\matrix-org#13763](matrix-org#13763), [\matrix-org#13769](matrix-org#13769), [\matrix-org#13778](matrix-org#13778))
- Bump the minimum dependency of `matrix_common` to 1.3.0 to make use of the `MXCUri` class. Use `MXCUri` to simplify media retention test code. ([\matrix-org#13162](matrix-org#13162))
- Add and populate the `event_stream_ordering` column on the `receipts` table for future optimisation of push action processing. Contributed by Nick @ Beeper (@Fizzadar). ([\matrix-org#13703](matrix-org#13703))
- Rename the `EventFormatVersions` enum values so that they line up with room version numbers. ([\matrix-org#13706](matrix-org#13706))
- Update trial old deps CI to use Poetry 1.2.0. ([\matrix-org#13707](matrix-org#13707), [\matrix-org#13725](matrix-org#13725))
- Add experimental configuration option to allow disabling legacy Prometheus metric names. ([\matrix-org#13714](matrix-org#13714), [\matrix-org#13717](matrix-org#13717), [\matrix-org#13718](matrix-org#13718))
- Fix typechecking with latest types-jsonschema. ([\matrix-org#13724](matrix-org#13724))
- Strip number suffix from instance name to consolidate services that traces are spread over. ([\matrix-org#13729](matrix-org#13729))
- Instrument `get_metadata_for_events` for understandable traces in Jaeger. ([\matrix-org#13730](matrix-org#13730))
- Remove old queries to join room memberships to current state events. Contributed by Nick @ Beeper (@Fizzadar). ([\matrix-org#13745](matrix-org#13745))
- Avoid raising an error due to malformed user IDs in `get_current_hosts_in_room`. Malformed user IDs cannot currently join a room, so this error would not be hit. ([\matrix-org#13748](matrix-org#13748))
- Update the docstrings for `get_users_in_room` and `get_current_hosts_in_room` to explain the impact of partial state. ([\matrix-org#13750](matrix-org#13750))
- Use an additional database query when persisting receipts. ([\matrix-org#13752](matrix-org#13752))
- Preparatory work for storing thread IDs for notifications and receipts. ([\matrix-org#13753](matrix-org#13753))
- Re-type hint some collections as read-only. ([\matrix-org#13754](matrix-org#13754))
- Remove unused Prometheus recording rules from `synapse-v2.rules` and add comments describing where the rest are used. ([\matrix-org#13756](matrix-org#13756))
- Add a check for editable installs if the Rust library needs rebuilding. ([\matrix-org#13759](matrix-org#13759))
- Tag traces with the instance name to be able to easily jump into the right logs and filter traces by instance. ([\matrix-org#13761](matrix-org#13761))
- Concurrently fetch room push actions when calculating badge counts. Contributed by Nick @ Beeper (@Fizzadar). ([\matrix-org#13765](matrix-org#13765))
- Update the script which makes full schema dumps. ([\matrix-org#13770](matrix-org#13770))
- Deduplicate `is_server_notices_room`. ([\matrix-org#13780](matrix-org#13780))
- Simplify the dependency DAG in the tests workflow. ([\matrix-org#13784](matrix-org#13784))
- Remove an old, incorrect migration file. ([\matrix-org#13788](matrix-org#13788))
- Remove unused method in `synapse.api.auth.Auth`. ([\matrix-org#13795](matrix-org#13795))
- Fix a memory leak when running the unit tests. ([\matrix-org#13798](matrix-org#13798))
- Use partial indices on SQLite. ([\matrix-org#13802](matrix-org#13802))
- Check that portdb generates the same postgres schema as that in the source tree. ([\matrix-org#13808](matrix-org#13808))
- Fix Docker build when Rust .so has been built locally first. ([\matrix-org#13811](matrix-org#13811))
- Complement: Initialise the Postgres database directly inside the target image instead of the base Postgres image to fix building using Buildah. ([\matrix-org#13819](matrix-org#13819))
- Support providing an index predicate clause when doing upserts. ([\matrix-org#13822](matrix-org#13822))
- Minor speedups to linting in CI. ([\matrix-org#13827](matrix-org#13827))

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# Conflicts:
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#	poetry.lock
#	synapse/push/bulk_push_rule_evaluator.py
#	synapse/push/push_tools.py
#	synapse/storage/databases/main/event_push_actions.py
#	synapse/storage/databases/main/events_worker.py
#	tests/replication/slave/storage/test_events.py
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