MDS Question

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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?

 

[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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