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https://issues.apache.org/jira/browse/HUDI-1688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17307089#comment-17307089
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Gary Li commented on HUDI-1688:
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[~xiaotaotao] thanks for your contribution. I can't assign this ticket to you
since you don't have contributor access yet. Resolving this issue for now since
the PR was merged.
> hudi write should uncache rdd， when the write operation is finnished
> --------------------------------------------------------------------
>
> Key: HUDI-1688
> URL: https://issues.apache.org/jira/browse/HUDI-1688
> Project: Apache Hudi
> Issue Type: Bug
> Components: Spark Integration
> Affects Versions: 0.7.0
> Reporter: tao meng
> Priority: Major
> Labels: pull-request-available, sev:critical, user-support-issues
> Fix For: 0.8.0
>
>
> now， hudi improve write performance by cache necessary rdds； however when the
> write operation is finnished， those cached rdds have not been uncached which
> waste lots of memory.
> [https://github.com/apache/hudi/blob/master/hudi-client/hudi-spark-client/src/main/java/org/apache/hudi/table/action/commit/BaseSparkCommitActionExecutor.java#L115]
> https://github.com/apache/hudi/blob/master/hudi-client/hudi-spark-client/src/main/java/org/apache/hudi/table/action/commit/BaseSparkCommitActionExecutor.java#L214
> In our environment：
> step1： insert 100GB data into hudi table by spark （ok）
> step2： insert another 100GB data into hudi table by spark again （oom ）
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