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Posted to issues@flink.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/03/15 11:38:00 UTC

[jira] [Updated] (FLINK-15989) Rewrap OutOfMemoryError in allocateUnpooledOffHeap with better message

     [ https://issues.apache.org/jira/browse/FLINK-15989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-15989:
-----------------------------------
    Labels: pull-request-available  (was: )

> Rewrap OutOfMemoryError in allocateUnpooledOffHeap with better message
> ----------------------------------------------------------------------
>
>                 Key: FLINK-15989
>                 URL: https://issues.apache.org/jira/browse/FLINK-15989
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Coordination
>            Reporter: Andrey Zagrebin
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.10.1, 1.11.0
>
>
> Now if Flink allocates direct memory in MemorySegmentFactory#allocateUnpooledOffHeapMemory and its limit is exceeded for any reason, e.g. user code over-allocated direct memory, ByteBuffer#allocateDirect will throw a generic "OutOfMemoryError: Direct buffer memory". We can catch it and add a message which provides more explanation and points to an option taskmanager.memory.task.off-heap.size to increase as a possible solution.



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