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https://issues.apache.org/jira/browse/FLINK-21820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu updated FLINK-21820:
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Component/s: Table SQL / Ecosystem
> JDBC connector shouldn't read all rows in per statement by default
> ------------------------------------------------------------------
>
> Key: FLINK-21820
> URL: https://issues.apache.org/jira/browse/FLINK-21820
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / JDBC, Table SQL / Ecosystem
> Reporter: Leonard Xu
> Priority: Major
>
> The default value for JDBC option 'scan.fetch-size' is 0 which means read all
> rows in statement, this may lead to OOM or IO timeout.
> We'd better set a reasonable value as default value.
>
>
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