cephfs-top - Man Page

cephfs-top [flags]

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

Ceph Metadata Servers periodically send client metrics to Ceph Manager. Stats plugin in Ceph Manager provides an interface to fetch these metrics.

--cluster

Cluster: Ceph cluster to connect. Defaults to ceph.

--id

Id: Client used to connect to Ceph cluster. Defaults to fstop.

--selftest

Perform a selftest. This mode performs a sanity check of stats module.

chit

cap hit rate

rlat

read latency

wlat

write latency

mlat

metadata latency

dlease

dentry lease rate

ofiles

number of opened files

oicaps

number of pinned caps

oinodes

number of opened inodes

cephfs-top is part of Ceph, a massively scalable, open-source, distributed storage system. Please refer to the Ceph documentation at http://ceph.com/ for more information.

ceph(8), ceph-mds(8)

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