[ https://issues.apache.org/jira/browse/HDFS-11864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16020952#comment-16020952 ]
Brahma Reddy Battula commented on HDFS-11864: --------------------------------------------- bq.Brahma Reddy Battula, the trunk, branch-2 and branch-2.8 are also missing these metrics in documenation, and should be updated, right? We would be better not only fixed this in branch-2.7. Yes, Need to update for all branches.. > Document Metrics to track usage of memory for writes > ------------------------------------------------------ > > Key: HDFS-11864 > URL: https://issues.apache.org/jira/browse/HDFS-11864 > Project: Hadoop HDFS > Issue Type: Bug > Components: documentation > Reporter: Brahma Reddy Battula > Assignee: Yiqun Lin > Attachments: HDFS-11864.001.patch > > > HDFS-7129 introduced followings metrics which are not documented. > {noformat} > // RamDisk metrics on read/write > @Metric MutableCounterLong ramDiskBlocksWrite; > @Metric MutableCounterLong ramDiskBlocksWriteFallback; > @Metric MutableCounterLong ramDiskBytesWrite; > @Metric MutableCounterLong ramDiskBlocksReadHits; > > // RamDisk metrics on eviction > @Metric MutableCounterLong ramDiskBlocksEvicted; > @Metric MutableCounterLong ramDiskBlocksEvictedWithoutRead; > @Metric MutableRate ramDiskBlocksEvictionWindowMs; > final MutableQuantiles[] ramDiskBlocksEvictionWindowMsQuantiles; > > > // RamDisk metrics on lazy persist > @Metric MutableCounterLong ramDiskBlocksLazyPersisted; > @Metric MutableCounterLong ramDiskBlocksDeletedBeforeLazyPersisted; > @Metric MutableCounterLong ramDiskBytesLazyPersisted; > @Metric MutableRate ramDiskBlocksLazyPersistWindowMs; > final MutableQuantiles[] ramDiskBlocksLazyPersistWindowMsQuantiles; > {noformat} -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org