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https://issues.apache.org/jira/browse/FLINK-33288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17776065#comment-17776065
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Zhanghao Chen commented on FLINK-33288:
---------------------------------------
Job Result Store is added in Flink 1.15. Check
[https://cwiki.apache.org/confluence/display/FLINK/FLIP-194%3A+Introduce+the+JobResultStore]
for more details.
> Empty directory residue with appid name in HA(highly-available) related
> directory of hdfs, not cleaned
> ------------------------------------------------------------------------------------------------------
>
> Key: FLINK-33288
> URL: https://issues.apache.org/jira/browse/FLINK-33288
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Configuration
> Affects Versions: 1.16.2, 1.17.1
> Reporter: Xin Chen
> Priority: Major
> Attachments: screenshot-1.png, screenshot-2.png
>
>
> When I submitted a large number of tasks in Flink-on-Yarn mode and
> successfully executed, I unexpectedly found a large number of empty
> directories left in the directory related to 'high availability.storageDir'
> on hdfs, with appids as shown below. I believe this must be cleared! However,
> after verification in the environments of 1.16.2 and 1.17.1, it was proven
> that neither of them solved this problem.
> my flink-conf.yaml about 'high availability.storageDir':
> {code:java}
> high-availability.storageDir: hdfs://hdfsHACluster/flink/recovery
> {code}
> !screenshot-1.png!
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