Objecter is the client side, but you're dumping stats on the osd. The
only time it is used as a client there is with cache tiering.
sage
On Wed, 28 Oct 2015, Libin Wu wrote:
> Hi, all
>
> As my understand, command "ceph daemon osd.x perf dump objecters" should
> output the perf data of osdc(librados). But when i use this command,
> why all those values are zero expcept map_epoch and map_inc. Follow is
> the result(It has fio test with rbd ioengine on the cluster):
>
>
> $ sudo ceph daemon osd.10 perf dump objecter
>
> {
>
> "objecter": {
>
> "op_active": 0,
>
> "op_laggy": 0,
>
> "op_send": 0,
>
> "op_send_bytes": 0,
>
> "op_resend": 0,
>
> "op_ack": 0,
>
> "op_commit": 0,
>
> "op": 0,
>
> "op_r": 0,
>
> "op_w": 0,
>
> "op_rmw": 0,
>
> "op_pg": 0,
>
> "osdop_stat": 0,
>
> "osdop_create": 0,
>
> "osdop_read": 0,
>
> "osdop_write": 0,
>
> "osdop_writefull": 0,
>
> "osdop_append": 0,
>
> "osdop_zero": 0,
>
> "osdop_truncate": 0,
>
> "osdop_delete": 0,
>
> "osdop_mapext": 0,
>
> "osdop_sparse_read": 0,
>
> "osdop_clonerange": 0,
>
> "osdop_getxattr": 0,
>
> "osdop_setxattr": 0,
>
> "osdop_cmpxattr": 0,
>
> "osdop_rmxattr": 0,
>
> "osdop_resetxattrs": 0,
>
> "osdop_tmap_up": 0,
>
> "osdop_tmap_put": 0,
>
> "osdop_tmap_get": 0,
>
> "osdop_call": 0,
>
> "osdop_watch": 0,
>
> "osdop_notify": 0,
>
> "osdop_src_cmpxattr": 0,
>
> "osdop_pgls": 0,
>
> "osdop_pgls_filter": 0,
>
> "osdop_other": 0,
>
> "linger_active": 0,
>
> "linger_send": 0,
>
> "linger_resend": 0,
>
> "linger_ping": 0,
>
> "poolop_active": 0,
>
> "poolop_send": 0,
>
> "poolop_resend": 0,
>
> "poolstat_active": 0,
>
> "poolstat_send": 0,
>
> "poolstat_resend": 0,
>
> "statfs_active": 0,
>
> "statfs_send": 0,
>
> "statfs_resend": 0,
>
> "command_active": 0,
>
> "command_send": 0,
>
> "command_resend": 0,
>
> "map_epoch": 2180,
>
> "map_full": 0,
>
> "map_inc": 83,
>
> "osd_sessions": 0,
>
> "osd_session_open": 0,
>
> "osd_session_close": 0,
>
> "osd_laggy": 0
>
> }
>
> }
>
> Anyone could tell why?
>
> Thanks!
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