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Takuya Fukudome commented on HDFS-8425: --------------------------------------- Thanks for the comment, [~zhz]! The X-axis means the number of files(TestDFSIO's nrFiles parameter). And bq. And I guess you didn't kill and DN in read tests? Yes, you are right. I will do the read tests with failure situation later. Thank you! > [umbrella] Performance tuning, investigation and optimization for erasure > coding > -------------------------------------------------------------------------------- > > Key: HDFS-8425 > URL: https://issues.apache.org/jira/browse/HDFS-8425 > Project: Hadoop HDFS > Issue Type: Sub-task > Affects Versions: HDFS-7285 > Reporter: GAO Rui > Attachments: testClientWriteReadFile_v1.pdf, > testdfsio-read-mbsec.png, testdfsio-write-mbsec.png > > > This {{umbrella}} jira aims to track performance tuning, investigation and > optimization for erasure coding. -- This message was sent by Atlassian JIRA (v6.3.4#6332)