Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/14887#discussion_r77345539
--- Diff:
common/network-yarn/src/main/java/org/apache/spark/network/yarn/YarnShuffleService.java
---
@@ -25,6 +25,8 @@
import com.google.common.collect.Lists;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.util.DiskChecker;
--- End diff --
I specifically wanted the nodemanager to continue to work with the spark
shuffle service didn't load. This is because the nodemanager can run other
shuffle services -> MR, TEZ, etc. If your cluster workload for spark is in the
minority then taking the entire nodemanager down doesn't necessarily make sense
since the MR and TEZ jobs could run just fine on that node. We made it
configurable so you can change that behavior, just turn the config to enable it.
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