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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7400) off-heap limits set to conservatively in cluster environments
Date Wed, 01 Nov 2017 09:13:02 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16233813#comment-16233813
] 

ASF GitHub Bot commented on FLINK-7400:
---------------------------------------

Github user NicoK commented on the issue:

    https://github.com/apache/flink/pull/4506
  
    rebased successfully, waiting for Travis now...


> off-heap limits set to conservatively in cluster environments
> -------------------------------------------------------------
>
>                 Key: FLINK-7400
>                 URL: https://issues.apache.org/jira/browse/FLINK-7400
>             Project: Flink
>          Issue Type: Bug
>          Components: Cluster Management, Mesos, YARN
>    Affects Versions: 1.3.0, 1.3.1, 1.4.0, 1.3.2
>            Reporter: Nico Kruber
>            Assignee: Nico Kruber
>            Priority: Blocker
>
> Inside {{ContaineredTaskManagerParameters}}, since FLINK-6217, the {{offHeapSize}} is
set to the amount of memory Flink will use off-heap which will be set as the value for {{-XX:MaxDirectMemorySize}}
in various cases. This does not account for any off-heap use by other components than Flink,
e.g. RocksDB, other libraries, or the JVM itself.
> We should add the {{cutoff}} from the {{CONTAINERIZED_HEAP_CUTOFF_RATIO}} configuration
parameter to {{offHeapSize}} as implied by the description on what this parameter is there
for.



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