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https://issues.apache.org/jira/browse/FLINK-21049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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谢波 closed FLINK-21049.
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Fix Version/s: 1.13.0
Resolution: Fixed
> query_configuration.html content out date
> -----------------------------------------
>
> Key: FLINK-21049
> URL: https://issues.apache.org/jira/browse/FLINK-21049
> Project: Flink
> Issue Type: Bug
> Components: Documentation, Table SQL / API
> Affects Versions: 1.12.1
> Reporter: 谢波
> Priority: Major
> Fix For: 1.13.0
>
>
> [https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/table/streaming/query_configuration.html]
> code samples is out date.
>
> {{tConfig.setIdleStateRetentionTime(Time.hours(12), Time.hours(24))}}
> {{}}
> Specifies a minimum and a maximum time interval for how long idle state,
> i.e., state which was not updated, will be retained. State will never be
> cleared until it was idle for less than the minimum time and will never be
> kept if it was idle for more than the maximum time.
> When new data arrives for previously cleaned-up state, the new data will be
> handled as if it was the first data. This can result in previous results
> being overwritten.
> Set to 0 (zero) to never clean-up the state.
> NOTE: Cleaning up state requires additional bookkeeping which becomes less
> expensive for larger differences of minTime and maxTime. The difference
> between minTime and maxTime must be at least 5 minutes.
> NOTE: Currently maxTime will be ignored and it will automatically derived
> from minTime as 1.5 x minTime.
> Deprecated
> use setIdleStateRetention(Duration) instead.
> Params:
> minTime – The minimum time interval for which idle state is retained. Set to
> 0 (zero) to never clean-up the state.
> maxTime – The maximum time interval for which idle state is retained. Must be
> at least 5 minutes greater than minTime. Set to 0 (zero) to never clean-up
> the state
> {{}}
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