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Diffstat (limited to 'doc/cephfs/cephfs-top.rst')
| -rw-r--r-- | doc/cephfs/cephfs-top.rst | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/doc/cephfs/cephfs-top.rst b/doc/cephfs/cephfs-top.rst index 49439a4bd..1588c4f5c 100644 --- a/doc/cephfs/cephfs-top.rst +++ b/doc/cephfs/cephfs-top.rst @@ -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 -------------------- |