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https://issues.apache.org/jira/browse/FLINK-10848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16737110#comment-16737110
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Till Rohrmann commented on FLINK-10848:
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Reverted via
master: d77151c3907895abc586e0fc651a49f148a302be
1.7: fb0f811e4b4d395e182a124cecac7cdf845a8023
1.6: 8affc904d5d3f98fd464b783c30533d0fa516287
> Flink's Yarn ResourceManager can allocate too many excess containers
> --------------------------------------------------------------------
>
> Key: FLINK-10848
> URL: https://issues.apache.org/jira/browse/FLINK-10848
> Project: Flink
> Issue Type: Bug
> Components: YARN
> Affects Versions: 1.3.3, 1.4.2, 1.5.5, 1.6.2
> Reporter: Shuyi Chen
> Assignee: Shuyi Chen
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Currently, both the YarnFlinkResourceManager and YarnResourceManager do not
> call removeContainerRequest() on container allocation success. Because the
> YARN AM-RM protocol is not a delta protocol (please see YARN-1902),
> AMRMClient will keep all ContainerRequests that are added and send them to RM.
> In production, we observe the following that verifies the theory: 16
> containers are allocated and used upon cluster startup; when a TM is killed,
> 17 containers are allocated, 1 container is used, and 16 excess containers
> are returned; when another TM is killed, 18 containers are allocated, 1
> container is used, and 17 excess containers are returned.
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