1CEPHFS-TOP(8)                        Ceph                        CEPHFS-TOP(8)
2
3
4

NAME

6       cephfs-top - Ceph Filesystem Top Utility
7

SYNOPSIS

9       cephfs-top [flags]
10
11

DESCRIPTION

13       cephfs-top  provides  top(1)  like  functionality  for Ceph Filesystem.
14       Various client metrics are displayed and updated in realtime.
15
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.
19

OPTIONS

21       --cluster
22              Cluster: Ceph cluster to connect. Defaults to ceph.
23
24       --id   Id: Client used to connect to Ceph cluster. Defaults to fstop.
25
26       --selftest
27              Perform a selftest. This mode performs a sanity check  of  stats
28              module.
29

DESCRIPTIONS OF FIELDS

31       chit   cap hit rate
32
33       rlat   read latency
34
35       wlat   write latency
36
37       mlat   metadata latency
38
39       dlease dentry lease rate
40
41       ofiles number of opened files
42
43       oicaps number of pinned caps
44
45       oinodes
46              number of opened inodes
47
48       rtio   total size of read IOs
49
50       wtio   total size of write IOs
51
52       raio   average size of read IOs
53
54       waio   average size of write IOs
55
56       rsp    speed of read IOs compared with the last refresh
57
58       wsp    speed of write IOs compared with the last refresh
59

AVAILABILITY

61       cephfs-top is part of Ceph, a massively scalable, open-source, distrib‐
62       uted  storage  system.  Please  refer  to  the  Ceph  documentation  at
63       http://ceph.com/ for more information.
64

SEE ALSO

66       ceph(8), ceph-mds(8)
67

69       2010-2022,  Inktank Storage, Inc. and contributors. Licensed under Cre‐
70       ative Commons Attribution Share Alike 3.0 (CC-BY-SA-3.0)
71
72
73
74
75dev                              Jun 22, 2022                    CEPHFS-TOP(8)
Impressum