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From "Siddharth Wagle (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-15448) Report AMS / Grafana Per Disk Metrics and other changes
Date Thu, 17 Mar 2016 06:33:33 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-15448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Siddharth Wagle updated AMBARI-15448:
-------------------------------------
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

Pushed to 2.2 and trunk.

> Report AMS / Grafana Per Disk Metrics and other changes
> -------------------------------------------------------
>
>                 Key: AMBARI-15448
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15448
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-metrics
>    Affects Versions: 2.2.2
>            Reporter: Siddharth Wagle
>            Assignee: Siddharth Wagle
>             Fix For: 2.2.2
>
>         Attachments: AMBARI-15448.patch
>
>
> We need to collect and expose per-disk metrics from AMS for iostats counters.
> We can sort the disk names alphabetically, and name the metrics like _1, _2, etc.
> Plus from psutils:
> busy_time: (Linux, FreeBSD) time spent doing actual I/Os (in milliseconds)
> read_merged_count (Linux): number of merged reads (see iostat doc)
> write_merged_count (Linux): number of merged writes (see iostats doc)
> _Additional fixes_:
> - Combined_disk_total metric seems to be wrong : it is a sum() of all disk percentages
from different disks
> - Missing ATS and JHS metrics due to wrong config item in hadoop-metrics2.properties
file
> - Report number of disks



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