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https://issues.apache.org/jira/browse/FLINK-34001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17804079#comment-17804079
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Jane Chan commented on FLINK-34001:
-----------------------------------
Hi [~luca.yang] and [~xuyangzhong]; please correct me if I'm wrong, but state
retention is disabled stands for "state never expires".
You can check the explanation of `table.exec.state.ttl` in
[config|https://nightlies.apache.org/flink/flink-docs-master/docs/dev/table/config/]
{quote}Specifies a minimum 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 be cleared at some time after
it was idle. Default is never clean-up the state. NOTE: Cleaning up state
requires additional overhead for bookkeeping. Default value is 0, which means
that it will never clean up state.
{quote}
> doc of "Configure Operator-level State TTL" error
> -------------------------------------------------
>
> Key: FLINK-34001
> URL: https://issues.apache.org/jira/browse/FLINK-34001
> Project: Flink
> Issue Type: Bug
> Components: Documentation, Table SQL / API
> Affects Versions: 1.18.0
> Reporter: yong yang
> Priority: Major
>
> doc:
> https://nightlies.apache.org/flink/flink-docs-release-1.18/docs/dev/table/concepts/overview/#idle-state-retention-time
> The current TTL value for both left and right side is {{{}"0 ms"{}}}, which
> means the state retention is not enabled.
>
> but i test find :
> The current TTL value for both left and right side is {{{}"0 ms"{}}}, which
> means the state is permanence keep!
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