GitHub user peterableda opened a pull request:
https://github.com/apache/spark/pull/13850
[SPARK-16138] Try to cancel executor requests only if we have at least 1
## What changes were proposed in this pull request?
Adding additional check to if statement
## How was this patch tested?
I built and deployed to internal cluster to observe behaviour. After the
change the invalid logging is gone:
```
16/06/22 08:46:36 INFO yarn.YarnAllocator: Driver requested a total number
of 1 executor(s).
16/06/22 08:46:36 INFO yarn.YarnAllocator: Canceling requests for 1
executor container(s) to have a new desired total 1 executors.
16/06/22 08:46:36 INFO yarn.YarnAllocator: Driver requested a total number
of 0 executor(s).
16/06/22 08:47:36 INFO yarn.ApplicationMaster$AMEndpoint: Driver requested
to kill executor(s) 1.
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/peterableda/spark patch-2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13850.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 #13850
----
commit 974102d67f825fc6324f88d6c532f740e8ae5c76
Author: Peter Ableda <[email protected]>
Date: 2016-06-22T15:51:17Z
Try to cancel executor requests only if we have at least 1
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