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sink(cdc): always handle sink failures for cases with sync-point enabled (#10132) #10141

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This is an automated cherry-pick of #10132

What problem does this PR solve?

Issue Number: close #10091

What is changed and how it works?

In SinkManager, suppose there is a table with checkpointTs=100 and lastWrittenPos=110, and sync-point is also 110.

And then, the sink backend fails, the sink should be re-started at 100.

However, when generating sink tasks, SinkManager finds the table has no more available events after lastWrittenPos=110, and it can't detect the sink backend failure any more.

With the PR this behavior is corrected.

Check List

Tests

  • Unit test

Questions

Will it cause performance regression or break compatibility?
Do you need to update user documentation, design documentation or monitoring documentation?

Release note

None

Signed-off-by: qupeng <[email protected]>
Signed-off-by: qupeng <[email protected]>
Signed-off-by: qupeng <[email protected]>
@ti-chi-bot ti-chi-bot added lgtm release-note-none Denotes a PR that doesn't merit a release note. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. type/cherry-pick-for-release-7.1 This PR is cherry-picked to release-7.1 from a source PR. labels Nov 23, 2023
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ti-chi-bot bot commented Nov 30, 2023

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hicqu

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@ti-chi-bot ti-chi-bot bot added the approved label Nov 30, 2023
@ti-chi-bot ti-chi-bot added the cherry-pick-approved Cherry pick PR approved by release team. label Nov 30, 2023
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hicqu commented Nov 30, 2023

/retest

@ti-chi-bot ti-chi-bot bot merged commit 7b984d6 into pingcap:release-7.1 Nov 30, 2023
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approved cherry-pick-approved Cherry pick PR approved by release team. lgtm release-note-none Denotes a PR that doesn't merit a release note. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. type/cherry-pick-for-release-7.1 This PR is cherry-picked to release-7.1 from a source PR.
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2 participants