sink(cdc): always handle sink failures for cases with sync-point enabled (#10132) #10140
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Signed-off-by: ti-chi-bot <[email protected]>
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Signed-off-by: qupeng <[email protected]>
hicqu
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Nov 24, 2023
hicqu
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Nov 24, 2023
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: hicqu The full list of commands accepted by this bot can be found here. The pull request process is described here
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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 withcheckpointTs=100andlastWrittenPos=110, and sync-point is also110.And then, the sink backend fails, the sink should be re-started at
100.However, when generating sink tasks,
SinkManagerfinds the table has no more available events afterlastWrittenPos=110, and it can't detect the sink backend failure any more.With the PR this behavior is corrected.
Check List
Tests
Questions
Will it cause performance regression or break compatibility?
Do you need to update user documentation, design documentation or monitoring documentation?
Release note