Leonard Xu created FLINK-21820:
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Summary: 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
Reporter: Leonard Xu
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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