On Tue, May 23, 2017 at 1:42 PM, James Wilkins
<James.Wilkins@xxxxxxxxxxxxx> wrote:
> Quick question on CephFS/MDS but I can’t find this documented (apologies if
> it is)
>
>
>
> What does the q: represent in a ceph daemon <socket> perf dump mds
> represent?
mds]$ git grep "\"q\""
MDSRank.cc: mds_plb.add_u64(l_mds_dispatch_queue_len, "q",
"Dispatch queue length");
That's a quirky bit of naming for sure!
John
>
>
>
> [root@hp3-ceph-mds2 ~]# ceph daemon
> /var/run/ceph/ceph-mds.hp3-ceph-mds2.ceph.hostingp3.local.asok perf dump
> mds
>
> {
>
> "mds": {
>
> "request": 10843133,
>
> "reply": 10842472,
>
> "reply_latency": {
>
> "avgcount": 10842472,
>
> "sum": 2678925.337447889
>
> },
>
> "forward": 0,
>
> "dir_fetch": 412972,
>
> "dir_commit": 683903,
>
> "dir_split": 0,
>
> "dir_merge": 0,
>
> "inode_max": 7000000,
>
> "inodes": 7000209,
>
> "inodes_top": 808282,
>
> "inodes_bottom": 6191218,
>
> "inodes_pin_tail": 709,
>
> "inodes_pinned": 2055258,
>
> "inodes_expired": 2276343,
>
> "inodes_with_caps": 1905570,
>
> "caps": 2392113,
>
> "subtrees": 2,
>
> "traverse": 12551065,
>
> "traverse_hit": 10346763,
>
> "traverse_forward": 0,
>
> "traverse_discover": 0,
>
> "traverse_dir_fetch": 312666,
>
> "traverse_remote_ino": 0,
>
> "traverse_lock": 41125,
>
> "load_cent": 1090788840,
>
> "q": 4371,
>
> "exported": 0,
>
> "exported_inodes": 0,
>
> "imported": 0,
>
> "imported_inodes": 0
>
> }
>
> }
>
>
>
>
>
>
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