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https://issues.apache.org/jira/browse/FLINK-39372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiqian Yu resolved FLINK-39372.
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Fix Version/s: cdc-3.7.0
Resolution: Fixed
> Potential MySQL Binlog offset comparison failure after mysql-bin.999999
> -----------------------------------------------------------------------
>
> Key: FLINK-39372
> URL: https://issues.apache.org/jira/browse/FLINK-39372
> Project: Flink
> Issue Type: Improvement
> Components: Flink CDC
> Affects Versions: cdc-3.6.0
> Reporter: Xiqian Yu
> Assignee: Xiqian Yu
> Priority: Major
> Labels: pull-request-available
> Fix For: cdc-3.7.0
>
>
> MySQL CDC uses Java's String.compareTo() for comparing Binlog filenames. This
> works correctly for files like mysql.000001 through mysql.999999 since they
> share the same length.
> However, when the sequence rolls over to mysql.1000000, string comparison
> breaks — it treats '1' < '9' and incorrectly considers mysql.1000000 smaller
> than mysql.999999.
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