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Hadoop QA commented on HDFS-8694: --------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 4s {color} | {color:red} HDFS-8694 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} | \\ \\ || Subsystem || Report/Notes || | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12743409/HDFS-8694.001.patch | | JIRA Issue | HDFS-8694 | | Powered by | Apache Yetus http://yetus.apache.org | | Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/13642/console | This message was automatically generated. > Expose the stats of IOErrors on each FsVolume through JMX > --------------------------------------------------------- > > Key: HDFS-8694 > URL: https://issues.apache.org/jira/browse/HDFS-8694 > Project: Hadoop HDFS > Issue Type: Improvement > Components: datanode > Affects Versions: 2.7.0 > Reporter: Lei (Eddy) Xu > Assignee: Lei (Eddy) Xu > Attachments: HDFS-8694.000.patch, HDFS-8694.001.patch > > > Currently, once DataNode hits an {{IOError}} when writing / reading block > files, it starts a background {{DiskChecker.checkDirs()}} thread. But if this > thread successfully finishes, DN does not record this {{IOError}}. > We need one measurement to count all {{IOErrors}} for each volume. -- This message was sent by Atlassian JIRA (v6.3.4#6332)