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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-8744) Enable HBase to log the entire latency profile for HDFS packets resulting in slow writes.
Date Thu, 18 Feb 2016 22:38:18 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack resolved HBASE-8744.
--------------------------
    Resolution: Unresolved

HTrace is to do this.

> Enable HBase to log the entire latency profile for HDFS packets resulting in slow writes.
> -----------------------------------------------------------------------------------------
>
>                 Key: HBASE-8744
>                 URL: https://issues.apache.org/jira/browse/HBASE-8744
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Pritam Damania
>            Priority: Minor
>
> When we see WAL outliers in HBase, at times it is not clear which component in the whole
stack is slow. At facebook we are implementing per request profiling which passes profiling
information throughout the entire stack. This information can be used to determine the outliers
in HBase.



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