GitHub user yifeih opened a pull request:
https://github.com/apache/spark/pull/21743
[SPARK-24767][Launcher] Propagate MDC to spark-submit thread in
InProcessAppHandle
## What changes were proposed in this pull request?
This patch propagate MDC from the launcher thread to the thread that runs
spark-submit.
## How was this patch tested?
Ran sbt tests in the spark-launcher project
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yifeih/spark yh/propagate-mdc
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21743.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 #21743
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commit dfd821f8a40876f5289264061742790c8e39706b
Author: Yifei Huang <yifeih@...>
Date: 2018-07-10T15:59:35Z
propagate mdc to child thread
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