GitHub user tgravescs opened a pull request:
https://github.com/apache/spark/pull/2275
[SPARK-3375] spark on yarn container allocation issues
If yarn doesn't get the containers immediately it stops asking for them and
the yarn application hangs with never getting any executors.
The issue here is that we are sending the number of containers as 0 after
we send the original one of X. on the yarn side this clears out the original
request.
For a ping we should just send empty asks.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tgravescs/spark SPARK-3375
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2275.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 #2275
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commit 74b682056036779680f3b266fd5cb38b01c7b9f6
Author: Thomas Graves <[email protected]>
Date: 2014-09-03T22:10:00Z
send empty resource requests when we aren't asking for containers
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