GitHub user 10110346 opened a pull request:
https://github.com/apache/spark/pull/20596
[SPARK-23404][CORE]When the underlying buffers are direct, we should copy
them to the heap memory
## What changes were proposed in this pull request?
If the memory mode is `ON_HEAP`,when the underlying buffers are direct, we
should copy them to the heap memory.
## How was this patch tested?
N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/10110346/spark directtooffheap
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20596.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #20596
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commit 1f5d5ffbfe20c159fcf56d67ec230b05b06046a1
Author: liuxian <liu.xian3@...>
Date: 2018-02-13T07:36:08Z
fix
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