GitHub user 10110346 opened a pull request: https://github.com/apache/spark/pull/19303
[SPARK-22085][CORE]When the applicationhas no core leftï¼do not request more executors from the cluster manager in ExecutorAllocationManager ## What changes were proposed in this pull request? When the application has no core leftï¼we should not request more executors from the cluster manager in `ExecutorAllocationManager`. At this time, if not reach `spark.dynamicAllocation.maxExecutors`, `spark.dynamicAllocation.maxExecutors`setting is invalid in fact, so we should give a warning log. ## How was this patch tested? Existing tests You can merge this pull request into a Git repository by running: $ git pull https://github.com/10110346/spark executoralloc Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/19303.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 #19303 ---- commit dce30edfc746ef3fd8daa8693c0344c585f9031f Author: liuxian <liu.xi...@zte.com.cn> Date: 2017-09-21T07:39:07Z fix ---- --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org