doc: add description of metric fields for cephfs-top

Fixes: https://tracker.ceph.com/issues/63991
Signed-off-by: Neeraj Pratap Singh <neesingh@redhat.com>
This commit is contained in:
neeraj pratap singh 2024-02-06 17:42:50 +05:30
parent d21648a178
commit 956f644f86

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@ -63,6 +63,62 @@ By default, `cephfs-top` uses `client.fstop` user to connect to a Ceph cluster::
$ ceph auth get-or-create client.fstop mon 'allow r' mds 'allow r' osd 'allow r' mgr 'allow r'
$ cephfs-top
Description of Fields
---------------------
1. chit : Cap hit
Percentage of file capability hits over total number of caps
2. dlease : Dentry lease
Percentage of dentry leases handed out over the total dentry lease requests
3. ofiles : Opened files
Number of opened files
4. oicaps : Pinned caps
Number of pinned caps
5. oinodes : Opened inodes
Number of opened inodes
6. rtio : Total size of read IOs
Number of bytes read in input/output operations generated by all process
7. wtio : Total size of write IOs
Number of bytes written in input/output operations generated by all processes
8. raio : Average size of read IOs
Mean of number of bytes read in input/output operations generated by all
process over total IO done
9. waio : Average size of write IOs
Mean of number of bytes written in input/output operations generated by all
process over total IO done
10. rsp : Read speed
Speed of read IOs with respect to the duration since the last refresh of clients
11. wsp : Write speed
Speed of write IOs with respect to the duration since the last refresh of clients
12. rlatavg : Average read latency
Mean value of the read latencies
13. rlatsd : Standard deviation (variance) for read latency
Dispersion of the metric for the read latency relative to its mean
14. wlatavg : Average write latency
Mean value of the write latencies
15. wlatsd : Standard deviation (variance) for write latency
Dispersion of the metric for the write latency relative to its mean
16. mlatavg : Average metadata latency
Mean value of the metadata latencies
17. mlatsd : Standard deviation (variance) for metadata latency
Dispersion of the metric for the metadata latency relative to its mean
Command-Line Options
--------------------