cdc: filter events with the observed range before load old values (#17656)#17764
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ti-chi-bot[bot] merged 2 commits intotikv:release-7.1from Nov 4, 2024
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close tikv#16601, close tikv#17620 Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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hicqu
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Nov 4, 2024
3AceShowHand
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Nov 4, 2024
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This is an automated cherry-pick of #17656
What is changed and how it works?
Issue Number: Close #16601
Issue Number: Close #17620
What's Changed:
Filter CDC events with the observed range before load old values. This can reduce CPU usage, especially for the situation with lots of continuous RocksDB Tombstones, which are generated from
drop/truncate table/partitionDDLs.Related changes
pingcap/docs/pingcap/docs-cn:Check List
Tests
Side effects
Release note