[FLINK-38568][mysql-cdc] Optimize binlog split lookup using binary search #4166
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added 3 commits
October 27, 2025 14:58
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hi , @ruanhang1993. Could you have the time to review this Pr? Thank you very much ~ |
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What is the purpose of the change
Optimize MySQL CDC binlog split lookup from O(n) to O(log n) using binary search.
Brief change log
sortFinishedSplitInfos()andfindSplitByKeyBinary()methodsBinlogSplitReaderto use binary search instead of linear searchPerformance Impact
Verifying this change
Added 6 new unit tests covering various scenarios including edge cases and consistency verification with linear search.