Github user jerryshao commented on a diff in the pull request: https://github.com/apache/spark/pull/19160#discussion_r139861892 --- Diff: common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleClient.java --- @@ -117,6 +118,12 @@ public void fetchBlocks( } } + @Override + public MetricSet shuffleMetrics() { + checkInit(); --- End diff -- Seems it should be, but looks like we never touch this issue before.
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