1CEPHFS-TOP(8)                        Ceph                        CEPHFS-TOP(8)
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NAME

6       cephfs-top - Ceph Filesystem Top Utility
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SYNOPSIS

9       cephfs-top [flags]
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DESCRIPTION

13       cephfs-top  provides  top(1)  like  functionality  for Ceph Filesystem.
14       Various client metrics are displayed and updated in realtime.
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16       Ceph Metadata Servers periodically send client metrics to Ceph Manager.
17       Stats  plugin in Ceph Manager provides an interface to fetch these met‐
18       rics.
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OPTIONS

21       --cluster
22              Cluster: Ceph cluster to connect. Defaults to ceph.
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24       --id   Id: Client used to connect to Ceph cluster. Defaults to fstop.
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26       --selftest
27              Perform a selftest. This mode performs a sanity check  of  stats
28              module.
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DESCRIPTIONS OF FIELDS

31       chit   cap hit rate
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33       rlat   read latency
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35       wlat   write latency
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37       mlat   metadata latency
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39       dlease dentry lease rate
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41       ofiles number of opened files
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43       oicaps number of pinned caps
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45       oinodes
46              number of opened inodes
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AVAILABILITY

49       cephfs-top is part of Ceph, a massively scalable, open-source, distrib‐
50       uted  storage  system.  Please  refer  to  the  Ceph  documentation  at
51       http://ceph.com/ for more information.
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SEE ALSO

54       ceph(8), ceph-mds(8)
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57       2010-2021,  Inktank Storage, Inc. and contributors. Licensed under Cre‐
58       ative Commons Attribution Share Alike 3.0 (CC-BY-SA-3.0)
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63dev                              Sep 28, 2021                    CEPHFS-TOP(8)
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