GitHub user witgo opened a pull request:
https://github.com/apache/spark/pull/15830
[WIP]Upgrade netty to 4.0.42.Final
## What changes were proposed in this pull request?
One of the important changes for 4.0.42.Final is "Support any FileRegion
implementation when using epoll transport netty/netty#5825".
In 4.0.42.Final, MessageWithHeader can work properly when spark.(shufflem,
rpc).io.mode is set to epoll
## How was this patch tested?
Existing tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/witgo/spark SPARK-18375_netty-4.0.42
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15830.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 #15830
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commit e73c1d95d0ddc59d5fe9ea05a07f6bc0154f0b13
Author: Guoqiang Li <[email protected]>
Date: 2016-11-09T13:10:00Z
Upgrade netty to 4.0.42.Final
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