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ASF GitHub Bot commented on HDFS-16917: --------------------------------------- omalley merged PR #5397: URL: https://github.com/apache/hadoop/pull/5397 > Add transfer rate quantile metrics for DataNode reads > ----------------------------------------------------- > > Key: HDFS-16917 > URL: https://issues.apache.org/jira/browse/HDFS-16917 > Project: Hadoop HDFS > Issue Type: Task > Components: datanode > Reporter: Ravindra Dingankar > Priority: Minor > Labels: pull-request-available > > Currently we have the following metrics for datanode reads. > |BytesRead > BlocksRead > TotalReadTime|Total number of bytes read from DataNode > Total number of blocks read from DataNode > Total number of milliseconds spent on read operation| > We would like to add a new quantile metric calculating the transfer rate for > datanode reads. > This will give us a distribution across a window of the read transfer rate > for each datanode. > Quantiles for transfer rate per host will help in identifying issues like > hotspotting of datasets as well as finding repetitive slow datanodes. > -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org