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*: handle region error for GetMvccByEncodedKey API(#47811)#47808

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cfzjywxk merged 6 commits intopingcap:tidb-6.5-with-kv-timeout-featurefrom
crazycs520:fix-info-cache-schema-ts0-6.5-timeout-dev
Oct 20, 2023
Merged

*: handle region error for GetMvccByEncodedKey API(#47811)#47808
cfzjywxk merged 6 commits intopingcap:tidb-6.5-with-kv-timeout-featurefrom
crazycs520:fix-info-cache-schema-ts0-6.5-timeout-dev

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@crazycs520 crazycs520 commented Oct 19, 2023 •
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What problem does this PR solve?

Issue Number: close #47807

Problem Summary: pick #47811

What is changed and how it works?

Before:

Related TIDB Log:

# rg "failed to get schema version"
tidb.log
9758:[2023/10/19 18:11:18.100 +08:00] [WARN] [domain.go:195] ["failed to get schema version"] [error="There is no Write MVCC info for the schema version"] [version=40]
9760:[2023/10/19 18:11:18.100 +08:00] [WARN] [domain.go:195] ["failed to get schema version"] [error="There is no Write MVCC info for the schema version"] [version=40]
9762:[2023/10/19 18:11:18.100 +08:00] [WARN] [domain.go:195] ["failed to get schema version"] [error="There is no Write MVCC info for the schema version"] [version=40]
9764:[2023/10/19 18:11:18.100 +08:00] [WARN] [domain.go:195] ["failed to get schema version"] [error="There is no Write MVCC info for the schema version"] [version=40]
10034:[2023/10/19 18:11:28.173 +08:00] [WARN] [domain.go:195] ["failed to get schema version"] [error="There is no Write MVCC info for the schema version"] [version=40]

img_v2_0f786210-a576-47d7-97e8-17d78c88324g

This PR:

# rg "failed to get schema version"
image

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No need to test
    • I checked and no code files have been changed.

Side effects

  • Performance regression: Consumes more CPU
  • Performance regression: Consumes more Memory
  • Breaking backward compatibility

Documentation

  • Affects user behaviors
  • Contains syntax changes
  • Contains variable changes
  • Contains experimental features
  • Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

@crazycs520
add backoff and region error check for GetMvccByEncodedKey API
b4a6acb 
Signed-off-by: crazycs520 <crazycs520@gmail.com>
@ti-chi-bot ti-chi-bot bot added release-note-none Denotes a PR that doesn't merit a release note. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Oct 19, 2023
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Hi @crazycs520. Thanks for your PR.

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@crazycs520
add test
184412f 
Signed-off-by: crazycs520 <crazycs520@gmail.com>
@crazycs520
refine
310b493 
Signed-off-by: crazycs520 <crazycs520@gmail.com>
@crazycs520 crazycs520 changed the title *: add backoff and region error check for GetMvccByEncodedKey API *: handle region error for GetMvccByEncodedKey API Oct 19, 2023
cfzjywxk
cfzjywxk reviewed Oct 19, 2023
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@crazycs520 crazycs520 changed the title *: handle region error for GetMvccByEncodedKey API *: handle region error for GetMvccByEncodedKey API(#47811) Oct 19, 2023
zyguan
zyguan reviewed Oct 19, 2023
View reviewed changes
store/helper/helper.go Outdated
}
continue
}
return kvResp.Resp.(*kvrpcpb.MvccGetByKeyResponse), nil
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@zyguan zyguan Oct 19, 2023

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Maybe also translate resp.GetError() to the returned error?

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@crazycs520 crazycs520 Oct 19, 2023

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great, addressed in #47811

@crazycs520
refine test
9845018 
Signed-off-by: crazycs520 <crazycs520@gmail.com>
@crazycs520
update client-go
aa282ad 
Signed-off-by: crazycs520 <crazycs520@gmail.com>
@ti-chi-bot ti-chi-bot bot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Oct 20, 2023
@ti-chi-bot ti-chi-bot bot added needs-1-more-lgtm Indicates a PR needs 1 more LGTM. approved labels Oct 20, 2023
@crazycs520
make bazel_prepare
671e74e 
Signed-off-by: crazycs520 <crazycs520@gmail.com>
@ti-chi-bot ti-chi-bot bot added lgtm and removed needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Oct 20, 2023
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cfzjywxk, zyguan

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ti-chi-bot bot commented Oct 20, 2023

[LGTM Timeline notifier]

Timeline:

  • 2023-10-20 03:08:13.918053724 +0000 UTC m=+1972091.505163862: ☑️ agreed by zyguan.
  • 2023-10-20 03:57:29.718556266 +0000 UTC m=+1975047.305666410: ☑️ agreed by cfzjywxk.

@cfzjywxk cfzjywxk merged commit d8fb9d4 into pingcap:tidb-6.5-with-kv-timeout-feature Oct 20, 2023
guoshouyan pushed a commit to guoshouyan/tidb that referenced this pull request Mar 5, 2024
@Tema
*: handle region error for GetMvccByEncodedKey API(pingcap#47811) (pi…
2a58cd8 
…ngcap#47808) (pingcap#12)

* add backoff and region error check for GetMvccByEncodedKey API

* update client-go
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@cfzjywxk cfzjywxk cfzjywxk approved these changes

@zyguan zyguan zyguan approved these changes

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