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https://issues.apache.org/jira/browse/FLINK-20945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17334351#comment-17334351
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Flink Jira Bot commented on FLINK-20945:
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This major issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 30 days. So, it has been labeled "stale-major". If this ticket
is indeed "major", please either assign yourself or give an update. Afterwards,
please remove the label. In 7 days the issue will be deprioritized.
> flink hive insert heap out of memory
> ------------------------------------
>
> Key: FLINK-20945
> URL: https://issues.apache.org/jira/browse/FLINK-20945
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Ecosystem
> Environment: flink 1.12.0
> hive-exec 2.3.5
> Reporter: Bruce GAO
> Priority: Major
> Labels: stale-major
>
> when using flink sql to insert into hive from kafka, heap out of memory
> occrus randomly.
> Hive table using year/month/day/hour as partition, it seems the max heap
> space needed is corresponded to active partition number(according to kafka
> message disordered and delay). which means if partition number increases, the
> heap space needed also increase, may cause the heap out of memory.
> when write record, is it possible to take the whole heap space usage into
> account in checkBlockSizeReached, or some other method to avoid OOM?
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