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release-22.1: spanconfigsqlwatcher: deflake TestSQLWatcherOnEventError #99817

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merged 1 commit into from
Mar 30, 2023

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@blathers-crl blathers-crl bot commented Mar 28, 2023

Backport 1/1 commits from #99745 on behalf of @arulajmani.

/cc @cockroachdb/release


Previously, this test was setting the no-op checkpoint duration to be
every hour to effectively disable checkpoints. Doing so is integral to
what the test is testing. However, this was a lie, given how util.Every works -- A call to ShouldProcess returns true the very first time.

This patch achieves the original goal by introducing a new testing knob. Previously, the test would fail in < 40 runs locally. Have this running strong for ~1000 runs.

Fixes #76765

Release note: None


Release justification: test only change.

Previously, this test was setting the no-op checkpoint duration to be
 every hour to effectively disable checkpoints. Doing so is integral to
what the test is testing. However, this was a lie, given how
`util.Every` works -- A call to `ShouldProcess` returns true the very
first time.

This patch achieves the original goal by introducing a new testing knob.
Previously, the test would fail in < 40 runs locally.  Have this running
strong for ~1000 runs.

Fixes #76765

Release note: None
@blathers-crl blathers-crl bot requested a review from a team as a code owner March 28, 2023 16:36
@blathers-crl blathers-crl bot force-pushed the blathers/backport-release-22.1-99745 branch from 4da18e6 to 0bf3ebd Compare March 28, 2023 16:36
@blathers-crl blathers-crl bot requested a review from irfansharif March 28, 2023 16:36
@blathers-crl blathers-crl bot force-pushed the blathers/backport-release-22.1-99745 branch from 500704a to 0155ebe Compare March 28, 2023 16:36
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blathers-crl bot commented Mar 28, 2023

Thanks for opening a backport.

Please check the backport criteria before merging:

  • Patches should only be created for serious issues or test-only changes.
  • Patches should not break backwards-compatibility.
  • Patches should change as little code as possible.
  • Patches should not change on-disk formats or node communication protocols.
  • Patches should not add new functionality.
  • Patches must not add, edit, or otherwise modify cluster versions; or add version gates.
If some of the basic criteria cannot be satisfied, ensure that the exceptional criteria are satisfied within.
  • There is a high priority need for the functionality that cannot wait until the next release and is difficult to address in another way.
  • The new functionality is additive-only and only runs for clusters which have specifically “opted in” to it (e.g. by a cluster setting).
  • New code is protected by a conditional check that is trivial to verify and ensures that it only runs for opt-in clusters.
  • The PM and TL on the team that owns the changed code have signed off that the change obeys the above rules.

Add a brief release justification to the body of your PR to justify this backport.

Some other things to consider:

  • What did we do to ensure that a user that doesn’t know & care about this backport, has no idea that it happened?
  • Will this work in a cluster of mixed patch versions? Did we test that?
  • If a user upgrades a patch version, uses this feature, and then downgrades, what happens?

@blathers-crl blathers-crl bot added blathers-backport This is a backport that Blathers created automatically. O-robot Originated from a bot. labels Mar 28, 2023
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