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release-22.1: sql: add statement fingerprint ID to sampled query #84857

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merged 2 commits into from
Jul 21, 2022

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@blathers-crl blathers-crl bot commented Jul 21, 2022

Backport 2/2 commits from #84182 on behalf of @THardy98.

/cc @cockroachdb/release


Partially addresses: #71328

This change adds the statement fingerprint ID to the sampled query log,
allowing us to measure the uniqueness of a workload.

Release note (sql change): Sampled query telemetry log now includes the
statement's fingerprint ID.


Release justification: Category 4: Low risk, high benefit changes to existing functionality

Thomas Hardy added 2 commits July 11, 2022 15:30
Remove unused `Fingerprint()` function from `roachpb`.

Release note: None
This change adds the statement fingerprint ID to the sampled query log,
allowing us to measure the uniqueness of a workload.

Release note (sql change): Sampled query telemetry log now includes the
statement's fingerprint ID.
@blathers-crl blathers-crl bot requested a review from a team as a code owner July 21, 2022 17:09
@blathers-crl blathers-crl bot requested a review from a team July 21, 2022 17:09
@blathers-crl blathers-crl bot force-pushed the blathers/backport-release-22.1-84182 branch from 1cf6080 to 75b1506 Compare July 21, 2022 17:09
@blathers-crl blathers-crl bot added blathers-backport This is a backport that Blathers created automatically. O-robot Originated from a bot. labels Jul 21, 2022
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blathers-crl bot commented Jul 21, 2022

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?

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@yuzefovich yuzefovich left a comment

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Reviewed 1 of 1 files at r1, 8 of 8 files at r2, all commit messages.
Reviewable status: :shipit: complete! 0 of 0 LGTMs obtained (waiting on @abarganier, @THardy98, and @xinhaoz)

@THardy98 THardy98 merged commit 4bd7dc6 into release-22.1 Jul 21, 2022
@THardy98 THardy98 deleted the blathers/backport-release-22.1-84182 branch July 21, 2022 18:34
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3 participants