hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3650) Use MutableQuantiles to provide latency histograms for various operations
Date Mon, 16 Jul 2012 22:18:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers updated HDFS-3650:
---------------------------------

    Status: Patch Available  (was: Open)

Marking PA for Andrew so that test-patch runs.
                
> Use MutableQuantiles to provide latency histograms for various operations
> -------------------------------------------------------------------------
>
>                 Key: HDFS-3650
>                 URL: https://issues.apache.org/jira/browse/HDFS-3650
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 2.0.0-alpha
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>         Attachments: hdfs-3650-1.patch
>
>
> MutableQuantiles provide accurate estimation of various percentiles for a stream of data.
Many existing metrics reported by a MutableRate would also benefit from having these percentiles;
lets add MutableQuantiles where we think it'd be useful.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message