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https://issues.apache.org/jira/browse/FLINK-36039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rui Fan reassigned FLINK-36039:
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Assignee: RocMarshal
> Support clean historical event handler records in autoscaler jdbc plugin
> ------------------------------------------------------------------------
>
> Key: FLINK-36039
> URL: https://issues.apache.org/jira/browse/FLINK-36039
> Project: Flink
> Issue Type: Improvement
> Components: Autoscaler
> Reporter: RocMarshal
> Assignee: RocMarshal
> Priority: Minor
>
> Currently, the autoscaler generates a large amount of historical data for
> event handlers. As the system runs for a long time, the volume of historical
> data will continue to grow. It is necessary to support automatic cleanup of
> data within a fixed period.
> Based on the creation time timestamp, the following approach for cleaning up
> historical data might be a way:
> * Introduce the parameter
> {{job.autoscaler.event-handler.historical-ttl-duration}} (of type duration),
> which represents the storage time for historical data.
> * Introduce the parameter
> {{job.autoscaler.event-handler.historical-clean-interval}} (of type
> duration), which represents the interval between each data cleanup.
> In the constructor of {{{}JdbcAutoScalerEventHandler{}}}, introduce a
> scheduled task. Also, add an internal interface method, {{{}close{}}}, to
> {{AutoScalerEventHandler}} and {{JobAutoScaler}} for stopping and cleaning up
> the relevant logic.
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