Github user zhaoyunjiong commented on a diff in the pull request:
https://github.com/apache/spark/pull/14887#discussion_r77383971
--- 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 --
In our case, we have about 200 nodes which have the first disk broken, and
spark application is not minority. We can't accept lost so much nodes just
because the first disk was broken, also we can't accept let spark application
fail randomly (I already patched 1.6 use same logic in our cluster so we can
keep enable spark dynamic allocation).
If no one see any value of the improvement, that's fine, I'll close this PR.
Thank you for your time.
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