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@stevesg stevesg commented Jul 9, 2021

What this PR does:
Fix StateReplicationWithSharding_InitialSyncFromPeers flaking.

The test is writing a single silence and checking a metric which
indicates whether replicating the silence has been attempted yet.
This is so we can check later on that no replication activity
occurs. The assertions later on in the test are passing, but the
first one is not, indicating that the replication doesn't trigger
early enough. This makes sense because the replication is not
synchronous with the writing of the silence.

Signed-off-by: Steve Simpson [email protected]

Which issue(s) this PR fixes:
Fixes #4160

Checklist

  • Tests updated
  • Documentation added
  • CHANGELOG.md updated - the order of entries should be [CHANGE], [FEATURE], [ENHANCEMENT], [BUGFIX]

The test is writing a single silence and  checking a metric which
indicates whether replicating the silence has been attempted yet.
This is so we can check later on that no replication activity
occurs. The assertions later on in the test are passing, but the
first one is not, indicating that the replication doesn't trigger
early enough. This makes sense because the replication is not
synchronous with the writing of the silence.

Signed-off-by: Steve Simpson <[email protected]>
@pracucci
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pracucci commented Jul 9, 2021

Fixes #4350

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@gouthamve gouthamve left a comment

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LGTM

@pracucci pracucci merged commit a131df7 into cortexproject:master Jul 9, 2021
alvinlin123 pushed a commit to ac1214/cortex that referenced this pull request Jan 14, 2022
…xproject#4349)

The test is writing a single silence and  checking a metric which
indicates whether replicating the silence has been attempted yet.
This is so we can check later on that no replication activity
occurs. The assertions later on in the test are passing, but the
first one is not, indicating that the replication doesn't trigger
early enough. This makes sense because the replication is not
synchronous with the writing of the silence.

Signed-off-by: Steve Simpson <[email protected]>
Signed-off-by: Alvin Lin <[email protected]>
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Flaky test: TestAlertmanager_StateReplicationWithSharding_InitialSyncFromPeers

3 participants