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Posted to issues@ambari.apache.org by "Siddharth Wagle (JIRA)" <ji...@apache.org> on 2016/03/16 23:17:33 UTC

[jira] [Created] (AMBARI-15448) Report [AMS / Grafana] Per Disk Metrics

Siddharth Wagle created AMBARI-15448:
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             Summary: Report [AMS / Grafana] Per Disk Metrics
                 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


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)



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