Shulou(Shulou.com)06/03 Report--

hdfs benchmark test: disk read and write performance test hadoop jar ./ hadoop-mapreduce-client-jobclient-2.7.2.3.jar TestDFSIO -read -nrFiles 10 -fileSize 10MBhadoop jar ./ hadoop-mapreduce-client-jobclient-2.7.2.3.jar TestDFSIO -write -nrFiles 10 -fileSize 10MBdev Environment:

read:19/06/28 08:14:45 INFO fs.TestDFSIO: ----- TestDFSIO ----- : read19/06/28 08:14:45 INFO fs.TestDFSIO: Date & time: Fri Jun 28 08:14:45 CST 201919/06/28 08:14:45 INFO fs.TestDFSIO: Number of files: 1019/06/28 08:14:45 INFO fs.TestDFSIO: Total MBytes processed: 100.019/06/28 08:14:45 INFO fs.TestDFSIO: Throughput mb/sec: 1369.8630136986319/06/28 08:14:45 INFO fs.TestDFSIO: Average IO rate mb/sec: 1448.01586914062519/06/28 08:14:45 INFO fs.TestDFSIO: IO rate std deviation: 313.016840947768119/06/28 08:14:45 INFO fs.TestDFSIO: Test exec time sec: 1.444

write:

19/06/28 08:17:58 INFO fs.TestDFSIO: ----- TestDFSIO ----- : write19/06/28 08:17:58 INFO fs.TestDFSIO: Date & time: Fri Jun 28 08:17:58 CST 201919/06/28 08:17:58 INFO fs.TestDFSIO: Number of files: 1019/06/28 08:17:58 INFO fs.TestDFSIO: Total MBytes processed: 100.019/06/28 08:17:58 INFO fs.TestDFSIO: Throughput mb/sec: 94.250706880301619/06/28 08:17:58 INFO fs.TestDFSIO: Average IO rate mb/sec: 94.3214874267578119/06/28 08:17:58 INFO fs.TestDFSIO: IO rate std deviation: 2.578073452981487719/06/28 08:17:58 INFO fs.TestDFSIO: Test exec time sec: 2.48219/06/28 08:17:58 INFO fs.TestDFSIO:

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