Dump Ceph performance counters

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The ceph daemon .. perf dump command outputs the current values and groups the metrics under the collection name for each subsystem.

Prerequisites

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  • A running IBM Storage Ceph cluster.

  • Root-level access to the node.

Procedure

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  1. To view the current metric data:

    Syntax 

    ceph daemon DAEMON_NAME perf dump
    Note: run the ceph daemon command from the node running the daemon.

  2. Executing ceph daemon .. perf dump command from the Monitor node:

    [ceph: root@host01 /]# ceph daemon mon.host01 perf dump

  3. Executing the ceph daemon .. perf dump command from the OSD node:

    [ceph: root@host01 /]# ceph daemon osd.11 perf dump