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Posted to dev@flink.apache.org by "hailong wang (Jira)" <ji...@apache.org> on 2020/10/18 02:59:00 UTC

[jira] [Created] (FLINK-19691) Expose `CONNECTION_CHECK_TIMEOUT_SECONDS` as a configurable option in Jdbc connector

hailong wang created FLINK-19691:
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             Summary: 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
             Fix For: 1.12.0


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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