sink(cdc): close table sinks when sink factory fails (#9449) #9464
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close pingcap#9450 Signed-off-by: qupeng <[email protected]>
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Signed-off-by: qupeng <[email protected]>
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This is an automated cherry-pick of #9449
What problem does this PR solve?
Issue Number: close #9450
What is changed and how it works?
When sink factory fails we should close all table sinks and recycle their memory quota.
Currently it's performed in
table_sink_worker.go, but there could be a dead lock: a table task can only enter into table sink worker after acquires memory successfully. So if memory usage has reached the max limit, no table has chance to release its memory quota usage, except it gets removed.So this PR marks table sink as closed, and releases their memory usages after sink factory fails.
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