[ https://issues.apache.org/jira/browse/HDFS-12861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
María Fernanda Borge updated HDFS-12861: ---------------------------------------- Attachment: HDFS-12861-9-april-18.patch > Track speed in DFSClient > ------------------------ > > Key: HDFS-12861 > URL: https://issues.apache.org/jira/browse/HDFS-12861 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Íñigo Goiri > Assignee: María Fernanda Borge > Priority: Major > Attachments: HDFS-12861-9-april-18.patch > > > Sometimes we get slow jobs because of the access to HDFS. However, is hard to > tell what is the actual speed. We propose to add a log line with something > like: > {code} > 2017-11-19 09:55:26,309 INFO [main] hdfs.DFSClient: blk_1107222019_38144502 > READ 129500B in 7ms 17.6MB/s > 2017-11-27 19:01:04,141 INFO [DataStreamer for file > /hdfs-federation/stats/2017/11/27/1511838000000.json] hdfs.DFSClient: > blk_1135792057_86833357 WRITE 131072B in 10ms 12.5MB/s > 2017-11-27 19:01:14,219 INFO [DataStreamer for file > /hdfs-federation/stats/2017/11/27/1511838000000.json] hdfs.DFSClient: > blk_1135792069_86833369 WRITE 131072B in 12ms 10.4MB/s > 2017-11-27 19:01:24,282 INFO [DataStreamer for file > /hdfs-federation/stats/2017/11/27/1511838000000.json] hdfs.DFSClient: > blk_1135792081_86833381 WRITE 131072B in 11ms 11.4MB/s > 2017-11-27 19:01:34,330 INFO [DataStreamer for file > /hdfs-federation/stats/2017/11/27/1511838000000.json] hdfs.DFSClient: > blk_1135792093_86833393 WRITE 131072B in 11ms 11.4MB/s > 2017-11-27 19:01:44,408 INFO [DataStreamer for file > /hdfs-federation/stats/2017/11/27/1511838000000.json] hdfs.DFSClient: > blk_1135792105_86833405 WRITE 131072B in 11ms 11.4MB/s > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org