FailedChanges

Summary

  1. [SPARK-30478][CORE][DOCS] Fix Memory Package documentation (details)
Commit 26ad8f8f34a6effb7dbe1e555fbd9340ed0d2b31 by dhyun
[SPARK-30478][CORE][DOCS] Fix Memory Package documentation
### What changes were proposed in this pull request? update the doc of
momery package
### Why are the changes needed? From Spark 2.0, the storage memory also
uses off heap memory. We update the doc here.
![memory
manager](https://user-images.githubusercontent.com/3488126/72124682-9b35ce00-33a0-11ea-8cf9-301494974ef4.png)
### Does this PR introduce any user-facing change? No
### How was this patch tested? No Tests Needed
Closes #27160 from sddyljsx/SPARK-30478.
Lead-authored-by: Neal Song <neal_song@126.com> Co-authored-by:
neal_song <neal_song@126.com> Signed-off-by: Dongjoon Hyun
<dhyun@apple.com>
The file was modifiedcore/src/main/scala/org/apache/spark/memory/package.scala (diff)