Github user sitalkedia commented on the pull request:
https://github.com/apache/spark/pull/13107#issuecomment-221638365
@rxin - We have seen this issue go away when we limit the pointer array
size within 1G. Updated the PR to set that as a default value.
@davies - There is another issue with the allocation of temporary buffer
you mentioned. That buffer is not being managed by the MemoryManager and we
often see executor OOM because of that. I have opened a JIRA (SPARK-15391) for
this. Would be great to have that issue fixed.
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