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Posted to issues@flink.apache.org by "Jingsong Lee (Jira)" <ji...@apache.org> on 2020/01/23 03:06:00 UTC
[jira] [Created] (FLINK-15732) Add config option to close Hash
window agg since hash will lead to OOM
Jingsong Lee created FLINK-15732:
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Summary: Add config option to close Hash window agg since hash will lead to OOM
Key: FLINK-15732
URL: https://issues.apache.org/jira/browse/FLINK-15732
Project: Flink
Issue Type: Bug
Components: Table SQL / Planner
Reporter: Jingsong Lee
Fix For: 1.11.0
Now in table blink batch mode, we choose hash window agg, but sometimes hash agg will lead to OOM because manage memory not enough.
We should give users ability to close hash window agg, and using sort agg will more stable.
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