[ https://issues.apache.org/jira/browse/HDFS-5220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang updated HDFS-5220: ------------------------------ Attachment: hdfs-5220.patch Add the first version patch. One drawback is that the quantile info is in a different metrics from the rate info. The other solution is to add a percentile configuration to common, only if it is set, we initialize and populate the quantile metrics. > Expose group resolution time as metric > -------------------------------------- > > Key: HDFS-5220 > URL: https://issues.apache.org/jira/browse/HDFS-5220 > Project: Hadoop HDFS > Issue Type: Improvement > Components: namenode > Reporter: Rob Weltman > Assignee: Jimmy Xiang > Attachments: hdfs-5220.patch > > > It would help detect issues with authentication configuration and with > overloading an authentication source if the name node exposed the time taken > for group resolution as a metric. -- This message was sent by Atlassian JIRA (v6.1.4#6159)