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*: de-flake TestPaginatedBackupTenant and remove data race #74926

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merged 3 commits into from
Jan 18, 2022
Merged

*: de-flake TestPaginatedBackupTenant and remove data race #74926

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dfe73f6
backupccl: de-flake TestPaginatedBackupTenant
irfansharif Jan 18, 2022
6c30e38
server: de-flake TestStatusAPICombinedTransactions
irfansharif Jan 18, 2022
3218353
kvserver: squash data race
irfansharif Jan 18, 2022
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51 changes: 36 additions & 15 deletions pkg/ccl/backupccl/backup_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -767,7 +767,7 @@ func TestBackupRestoreAppend(t *testing.T) {

sqlDB.ExpectErr(t, "cannot append a backup of specific", "BACKUP system.users TO ($1, $2, "+
"$3)", test.backups...)
//TODO(dt): prevent backing up different targets to same collection?
// TODO(dt): prevent backing up different targets to same collection?

sqlDB.Exec(t, "DROP DATABASE data CASCADE")
sqlDB.Exec(t, "RESTORE DATABASE data FROM ($1, $2, $3)", test.backups...)
Expand Down Expand Up @@ -6793,7 +6793,14 @@ func TestPaginatedBackupTenant(t *testing.T) {
serverArgs := base.TestServerArgs{Knobs: base.TestingKnobs{JobsTestingKnobs: jobs.NewTestingKnobsWithShortIntervals()}}
params := base.TestClusterArgs{ServerArgs: serverArgs}
var numExportRequests int
exportRequestSpans := make([]string, 0)

mu := struct {
syncutil.Mutex
exportRequestSpansSet map[string]struct{}
exportRequestSpans []string
}{}
mu.exportRequestSpansSet = make(map[string]struct{})
mu.exportRequestSpans = make([]string, 0)

requestSpanStr := func(span roachpb.Span, timestamp hlc.Timestamp) string {
spanStr := ""
Expand All @@ -6816,10 +6823,15 @@ func TestPaginatedBackupTenant(t *testing.T) {
for _, ru := range request.Requests {
if exportRequest, ok := ru.GetInner().(*roachpb.ExportRequest); ok &&
!isLeasingExportRequest(exportRequest) {
exportRequestSpans = append(
exportRequestSpans,
requestSpanStr(roachpb.Span{Key: exportRequest.Key, EndKey: exportRequest.EndKey}, exportRequest.ResumeKeyTS),
)

mu.Lock()
defer mu.Unlock()
req := requestSpanStr(roachpb.Span{Key: exportRequest.Key, EndKey: exportRequest.EndKey}, exportRequest.ResumeKeyTS)
if _, found := mu.exportRequestSpansSet[req]; found {
return nil // nothing to do
}
mu.exportRequestSpansSet[req] = struct{}{}
mu.exportRequestSpans = append(mu.exportRequestSpans, req)
numExportRequests++
}
}
Expand All @@ -6846,8 +6858,12 @@ func TestPaginatedBackupTenant(t *testing.T) {
_ = security.EmbeddedTenantIDs()

resetStateVars := func() {
mu.Lock()
defer mu.Unlock()

numExportRequests = 0
exportRequestSpans = exportRequestSpans[:0]
mu.exportRequestSpansSet = make(map[string]struct{})
mu.exportRequestSpans = mu.exportRequestSpans[:0]
}

_, conn10 := serverutils.StartTenant(t, srv,
Expand All @@ -6863,26 +6879,27 @@ func TestPaginatedBackupTenant(t *testing.T) {
systemDB.Exec(t, `SET CLUSTER SETTING kv.bulk_sst.max_allowed_overage='0b'`)

tenant10.Exec(t, `BACKUP DATABASE foo TO 'userfile://defaultdb.myfililes/test'`)
require.Equal(t, 1, numExportRequests)
startingSpan := roachpb.Span{Key: []byte("/Tenant/10/Table/56/1"), EndKey: []byte("/Tenant/10/Table/56/2")}
require.Equal(t, exportRequestSpans, []string{startingSpan.String()})
mu.Lock()
require.Equal(t, []string{startingSpan.String()}, mu.exportRequestSpans)
mu.Unlock()
resetStateVars()

// Two ExportRequests with one resume span.
systemDB.Exec(t, `SET CLUSTER SETTING kv.bulk_sst.target_size='50b'`)
tenant10.Exec(t, `BACKUP DATABASE foo TO 'userfile://defaultdb.myfililes/test2'`)
require.Equal(t, 2, numExportRequests)
startingSpan = roachpb.Span{Key: []byte("/Tenant/10/Table/56/1"),
EndKey: []byte("/Tenant/10/Table/56/2")}
resumeSpan := roachpb.Span{Key: []byte("/Tenant/10/Table/56/1/510/0"),
EndKey: []byte("/Tenant/10/Table/56/2")}
require.Equal(t, exportRequestSpans, []string{startingSpan.String(), resumeSpan.String()})
mu.Lock()
require.Equal(t, []string{startingSpan.String(), resumeSpan.String()}, mu.exportRequestSpans)
mu.Unlock()
resetStateVars()

// One ExportRequest for every KV.
systemDB.Exec(t, `SET CLUSTER SETTING kv.bulk_sst.target_size='10b'`)
tenant10.Exec(t, `BACKUP DATABASE foo TO 'userfile://defaultdb.myfililes/test3'`)
require.Equal(t, 5, numExportRequests)
var expected []string
for _, resume := range []exportResumePoint{
{[]byte("/Tenant/10/Table/56/1"), []byte("/Tenant/10/Table/56/2"), withoutTS},
Expand All @@ -6893,7 +6910,9 @@ func TestPaginatedBackupTenant(t *testing.T) {
} {
expected = append(expected, requestSpanStr(roachpb.Span{Key: resume.key, EndKey: resume.endKey}, resume.timestamp))
}
require.Equal(t, expected, exportRequestSpans)
mu.Lock()
require.Equal(t, expected, mu.exportRequestSpans)
mu.Unlock()
resetStateVars()

tenant10.Exec(t, `CREATE DATABASE baz; CREATE TABLE baz.bar(i int primary key, v string); INSERT INTO baz.bar VALUES (110, 'a'), (210, 'b'), (310, 'c'), (410, 'd'), (510, 'e')`)
Expand All @@ -6920,7 +6939,9 @@ func TestPaginatedBackupTenant(t *testing.T) {
} {
expected = append(expected, requestSpanStr(roachpb.Span{Key: resume.key, EndKey: resume.endKey}, resume.timestamp))
}
require.Equal(t, expected, exportRequestSpans)
mu.Lock()
require.Equal(t, expected, mu.exportRequestSpans)
mu.Unlock()
resetStateVars()

// TODO(adityamaru): Add a RESTORE inside tenant once it is supported.
Expand Down Expand Up @@ -8885,7 +8906,7 @@ DROP TABLE foo;
}

// TestRestoreNewDatabaseName tests the new_db_name optional feature for single database
//restores, which allows the user to rename the database they intend to restore.
// restores, which allows the user to rename the database they intend to restore.
func TestRestoreNewDatabaseName(t *testing.T) {
defer leaktest.AfterTest(t)()
defer log.Scope(t).Close(t)
Expand Down
3 changes: 3 additions & 0 deletions pkg/kv/kvserver/store.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2336,6 +2336,9 @@ func (s *Store) onSpanConfigUpdate(ctx context.Context, updated roachpb.Span) {
}

now := s.cfg.Clock.NowAsClockTimestamp()

s.mu.RLock()
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defer s.mu.RUnlock()
if err := s.mu.replicasByKey.VisitKeyRange(ctx, sp.Key, sp.EndKey, AscendingKeyOrder,
func(ctx context.Context, it replicaOrPlaceholder) error {
repl := it.repl
Expand Down
1 change: 1 addition & 0 deletions pkg/server/status_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1478,6 +1478,7 @@ func TestStatusAPICombinedTransactions(t *testing.T) {
defer log.Scope(t).Close(t)

params, _ := tests.CreateTestServerParams()
params.Knobs.SpanConfig = &spanconfig.TestingKnobs{ManagerDisableJobCreation: true} // TODO(irfansharif): #74919.
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testCluster := serverutils.StartNewTestCluster(t, 3, base.TestClusterArgs{
ServerArgs: params,
})
Expand Down