sink(ticdc): only enable batch dml for more than one row (#10971) #11055
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lidezhu
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May 23, 2024
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This is an automated cherry-pick of #10971
What problem does this PR solve?
Issue Number: close #10972
What is changed and how it works?
Check List
Tests
run sysbench oltp_update_non_index and compare the performance.
Sink throughput increase from 22k to 34k.
Downstream tidb cpu usage decrease from 1600% to 1300%.
Questions
Will it cause performance regression or break compatibility?
Do you need to update user documentation, design documentation or monitoring documentation?
Release note