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https://issues.apache.org/jira/browse/TEZ-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14105678#comment-14105678
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Siddharth Seth commented on TEZ-1473:
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[~hozawa] - forgot to ask, could you provide more details on the OOM. What was
running in the task, and the configuration.
[~hitesh] - the weighted allocator is not enabled by default. The normal
allocator would have reduced the size of various buffers appropriately, but
OOMs are still possible - especially if the processor ends up using a lot of
memory.
> TEZ_RUNTIME_SHUFFLE_BUFFER is too large by default
> --------------------------------------------------
>
> Key: TEZ-1473
> URL: https://issues.apache.org/jira/browse/TEZ-1473
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Tsuyoshi OZAWA
> Assignee: Tsuyoshi OZAWA
> Attachments: TEZ-1473.1.patch
>
>
> TEZ_RUNTIME_SHUFFLE_BUFFER is 8GB by default, while
> TEZ_TASK_RESOURCE_MEMORY_MB_DEFAULT is 1GB. It leads OoM or Container Killer.
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