steveloughran commented on issue #1963: HADOOP-16798. S3A Committer thread pool shutdown problems. URL: https://github.com/apache/hadoop/pull/1963#issuecomment-615377723 Test run against london with exactly the same flags which triggered the failure -you have to have an overloaded test system to cause the execution delays which trigger speculative task execution and then this failure. All good, at least on this run. ``` -Dparallel-tests -DtestsThreadCount=8 -Dscale -Dmarkers=keep -Dauth ``` Rerunning with 12 threads to see if that can trigger it
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