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https://issues.apache.org/jira/browse/FLINK-19691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17251086#comment-17251086
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Jark Wu commented on FLINK-19691:
---------------------------------
Sounds good to me. But maybe {{connection.check-timeout}} would be better which
follows the Flink configuration style, e.g. {{connection.max-retry-timeout}} in
elasticsearch connector
> Expose `CONNECTION_CHECK_TIMEOUT_SECONDS` as a configurable option in Jdbc
> connector
> ------------------------------------------------------------------------------------
>
> Key: FLINK-19691
> URL: https://issues.apache.org/jira/browse/FLINK-19691
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / JDBC
> Affects Versions: 1.11.0
> Reporter: hailong wang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.13.0
>
>
> Jdbc connector can check whether the connection is valid, and the timeout is
> 60 second [FLINK-16681].
> But the fixed timeout of 60 second sometimes too long to wait. In some
> scenes, I just want to wait for 5 second and fast failed and restarting if
> it is still invalid.
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