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Yongjun Zhang commented on HADOOP-14407: ---------------------------------------- Hi [~omkarksa], Thanks [~ajisakaa] for pointing out that the build was using the "jpg" file you uploaded as the patch, thus the test failed. I uoloaded the patch rev2 again, and it triggered a new run. And the result shows checkstyle issues I commented earlier. https://builds.apache.org/job/PreCommit-HADOOP-Build/12351/artifact/patchprocess/diff-checkstyle-hadoop-tools_hadoop-distcp.txt Would you please address them and upload a new rev? Thanks. > DistCp - Introduce a configurable copy buffer size > -------------------------------------------------- > > Key: HADOOP-14407 > URL: https://issues.apache.org/jira/browse/HADOOP-14407 > Project: Hadoop Common > Issue Type: Improvement > Components: tools/distcp > Affects Versions: 2.9.0 > Reporter: Omkar Aradhya K S > Assignee: Omkar Aradhya K S > Fix For: 2.9.0, 3.0.0-alpha3 > > Attachments: HADOOP-14407.001.patch, HADOOP-14407.002.patch, > HADOOP-14407.002.patch, TotalTime-vs-CopyBufferSize.jpg > > > Currently, the RetriableFileCopyCommand has a fixed copy buffer size of just > 8KB. We have noticed in our performance tests that with bigger buffer sizes > we saw upto ~3x performance boost. Hence, making the copy buffer size a > configurable setting via the new parameter <copybuffersize>. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org