>>I don't find any clue. Next time it happens, could you please try
>>"ceph tell mds.xxx heap release"
don't seem to work
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
ceph 1211357 13.1 18.6 12676452 12286508 ? Ssl avril05 2567:28 /usr/bin/ceph-mds -f --cluster ceph --id ceph4-2.odiso.net --setuser ceph --setgroup ceph
# ceph tell mds.ceph4-2.odiso.net heap release
mds.ceph4-2.odiso.net releasing free RAM back to system.
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
ceph 1211357 13.1 18.6 12676452 12286508 ? Ssl avril05 2567:36 /usr/bin/ceph-mds -f --cluster ceph --id ceph4-2.odiso.net --setuser ceph --setgroup ceph
I'll try to monitor memory to see when exactly it's growing, it's seem to grow time to time, but not continously.
here the stats after heap release:
# ceph daemon mds.ceph4-2.odiso.net cache status
{
"pool": {
"items": 15123841,
"bytes": 5167594872
}
}
# ceph daemon mds.ceph4-2.odiso.net perf dump
{
"AsyncMessenger::Worker-0": {
"msgr_recv_messages": 327887491,
"msgr_send_messages": 329555332,
"msgr_recv_bytes": 1530854660227,
"msgr_send_bytes": 1174619728658,
"msgr_created_connections": 146,
"msgr_active_connections": 145,
"msgr_running_total_time": 16828.645933488,
"msgr_running_send_time": 6368.459700090,
"msgr_running_recv_time": 14406.742804542,
"msgr_running_fast_dispatch_time": 1378.745242725
},
"AsyncMessenger::Worker-1": {
"msgr_recv_messages": 177837885,
"msgr_send_messages": 170796581,
"msgr_recv_bytes": 1426860751988,
"msgr_send_bytes": 166774861696,
"msgr_created_connections": 145,
"msgr_active_connections": 144,
"msgr_running_total_time": 9298.266921246,
"msgr_running_send_time": 3129.373504230,
"msgr_running_recv_time": 7895.052894375,
"msgr_running_fast_dispatch_time": 1322.886415635
},
"AsyncMessenger::Worker-2": {
"msgr_recv_messages": 325631551,
"msgr_send_messages": 314206515,
"msgr_recv_bytes": 1403013169198,
"msgr_send_bytes": 308787752784,
"msgr_created_connections": 138,
"msgr_active_connections": 133,
"msgr_running_total_time": 15012.588633448,
"msgr_running_send_time": 5510.205039583,
"msgr_running_recv_time": 14002.408569714,
"msgr_running_fast_dispatch_time": 1260.624028645
},
"finisher-PurgeQueue": {
"queue_len": 0,
"complete_latency": {
"avgcount": 731407,
"sum": 8003.599511421,
"avgtime": 0.010942743
}
},
"mds": {
"request": 608911096,
"reply": 608910899,
"reply_latency": {
"avgcount": 608910899,
"sum": 1641293.658633345,
"avgtime": 0.002695457
},
"forward": 0,
"dir_fetch": 32598533,
"dir_commit": 1230989,
"dir_split": 9535,
"dir_merge": 9523,
"inode_max": 2147483647,
"inodes": 2087784,
"inodes_top": 190211,
"inodes_bottom": 154977,
"inodes_pin_tail": 1742596,
"inodes_pinned": 1816054,
"inodes_expired": 5550735649,
"inodes_with_caps": 1814707,
"caps": 3170853,
"subtrees": 2,
"traverse": 645302921,
"traverse_hit": 390729564,
"traverse_forward": 0,
"traverse_discover": 0,
"traverse_dir_fetch": 26620216,
"traverse_remote_ino": 1968,
"traverse_lock": 573,
"load_cent": 60931206319,
"q": 18,
"exported": 0,
"exported_inodes": 0,
"imported": 0,
"imported_inodes": 0
},
"mds_cache": {
"num_strays": 1885,
"num_strays_delayed": 0,
"num_strays_enqueuing": 0,
"strays_created": 621082,
"strays_enqueued": 619458,
"strays_reintegrated": 72,
"strays_migrated": 0,
"num_recovering_processing": 0,
"num_recovering_enqueued": 0,
"num_recovering_prioritized": 0,
"recovery_started": 1,
"recovery_completed": 1,
"ireq_enqueue_scrub": 0,
"ireq_exportdir": 0,
"ireq_flush": 0,
"ireq_fragmentdir": 19058,
"ireq_fragstats": 0,
"ireq_inodestats": 0
},
"mds_log": {
"evadd": 108025412,
"evex": 108027485,
"evtrm": 108026461,
"ev": 25484,
"evexg": 0,
"evexd": 1024,
"segadd": 131605,
"segex": 131609,
"segtrm": 131608,
"seg": 31,
"segexg": 0,
"segexd": 1,
"expos": 5222483101644,
"wrpos": 5222526671740,
"rdpos": 5036811490502,
"jlat": {
"avgcount": 19597987,
"sum": 41720.071108694,
"avgtime": 0.002128793
},
"replayed": 26533
},
"mds_mem": {
"ino": 2087350,
"ino+": 5533126211,
"ino-": 5531038861,
"dir": 321262,
"dir+": 5672027,
"dir-": 5350765,
"dn": 2087920,
"dn+": 5553775487,
"dn-": 5551687567,
"cap": 3170853,
"cap+": 646307641,
"cap-": 643136788,
"rss": 12286508,
"heap": 313916,
"buf": 0
},
"mds_server": {
"dispatch_client_request": 651833084,
"dispatch_server_request": 0,
"handle_client_request": 608911096,
"handle_client_session": 5163844,
"handle_slave_request": 0,
"req_create": 754987,
"req_getattr": 5199299,
"req_getfilelock": 0,
"req_link": 170,
"req_lookup": 476304151,
"req_lookuphash": 0,
"req_lookupino": 0,
"req_lookupname": 16868,
"req_lookupparent": 0,
"req_lookupsnap": 0,
"req_lssnap": 0,
"req_mkdir": 12204,
"req_mknod": 0,
"req_mksnap": 0,
"req_open": 106156167,
"req_readdir": 20293077,
"req_rename": 28443,
"req_renamesnap": 0,
"req_rmdir": 17522,
"req_rmsnap": 0,
"req_rmxattr": 0,
"req_setattr": 34735,
"req_setdirlayout": 0,
"req_setfilelock": 238574,
"req_setlayout": 0,
"req_setxattr": 2,
"req_symlink": 122,
"req_unlink": 609565
},
"mds_sessions": {
"session_count": 307,
"session_add": 398,
"session_remove": 91
},
"objecter": {
"op_active": 0,
"op_laggy": 0,
"op_send": 60152761,
"op_send_bytes": 189780235877,
"op_resend": 4,
"op_reply": 60152757,
"op": 60152757,
"op_r": 32760612,
"op_w": 27392145,
"op_rmw": 0,
"op_pg": 0,
"osdop_stat": 1131412,
"osdop_create": 791110,
"osdop_read": 27868,
"osdop_write": 19625820,
"osdop_writefull": 81003,
"osdop_writesame": 0,
"osdop_append": 0,
"osdop_zero": 2,
"osdop_truncate": 4161,
"osdop_delete": 931372,
"osdop_mapext": 0,
"osdop_sparse_read": 0,
"osdop_clonerange": 0,
"osdop_getxattr": 9914736,
"osdop_setxattr": 1582220,
"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": 4645746,
"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": 3121,
"map_full": 0,
"map_inc": 76,
"osd_sessions": 18,
"osd_session_open": 20,
"osd_session_close": 2,
"osd_laggy": 0,
"omap_wr": 2227270,
"omap_rd": 65197068,
"omap_del": 48058
},
"purge_queue": {
"pq_executing_ops": 0,
"pq_executing": 0,
"pq_executed": 619458
},
"throttle-msgr_dispatch_throttler-mds": {
"val": 0,
"max": 104857600,
"get_started": 0,
"get": 831356927,
"get_sum": 4299208168815,
"get_or_fail_fail": 0,
"get_or_fail_success": 831356927,
"take": 0,
"take_sum": 0,
"put": 831356927,
"put_sum": 4299208168815,
"wait": {
"avgcount": 0,
"sum": 0.000000000,
"avgtime": 0.000000000
}
},
"throttle-objecter_bytes": {
"val": 0,
"max": 104857600,
"get_started": 0,
"get": 0,
"get_sum": 0,
"get_or_fail_fail": 0,
"get_or_fail_success": 0,
"take": 60152757,
"take_sum": 189890861007,
"put": 54571445,
"put_sum": 189890861007,
"wait": {
"avgcount": 0,
"sum": 0.000000000,
"avgtime": 0.000000000
}
},
"throttle-objecter_ops": {
"val": 0,
"max": 1024,
"get_started": 0,
"get": 0,
"get_sum": 0,
"get_or_fail_fail": 0,
"get_or_fail_success": 0,
"take": 60152757,
"take_sum": 60152757,
"put": 60152757,
"put_sum": 60152757,
"wait": {
"avgcount": 0,
"sum": 0.000000000,
"avgtime": 0.000000000
}
},
"throttle-write_buf_throttle": {
"val": 0,
"max": 3758096384,
"get_started": 0,
"get": 619458,
"get_sum": 57609986,
"get_or_fail_fail": 0,
"get_or_fail_success": 619458,
"take": 0,
"take_sum": 0,
"put": 27833,
"put_sum": 57609986,
"wait": {
"avgcount": 0,
"sum": 0.000000000,
"avgtime": 0.000000000
}
},
"throttle-write_buf_throttle-0x559471d00140": {
"val": 105525,
"max": 3758096384,
"get_started": 0,
"get": 108025412,
"get_sum": 185715179864,
"get_or_fail_fail": 0,
"get_or_fail_success": 108025412,
"take": 0,
"take_sum": 0,
"put": 19597987,
"put_sum": 185715074339,
"wait": {
"avgcount": 0,
"sum": 0.000000000,
"avgtime": 0.000000000
}
}
}
----- Mail original -----
De: "Zheng Yan" <ukernel@xxxxxxxxx>
À: "aderumier" <aderumier@xxxxxxxxx>
Cc: "Patrick Donnelly" <pdonnell@xxxxxxxxxx>, "ceph-users" <ceph-users@xxxxxxxxxxxxxx>
Envoyé: Mardi 17 Avril 2018 05:20:18
Objet: Re: ceph mds memory usage 20GB : is it normal ?
On Sat, Apr 14, 2018 at 9:23 PM, Alexandre DERUMIER <aderumier@xxxxxxxxx> wrote:
> Hi,
>
> Still leaking again after update to 12.2.4, around 17G after 9 days
>
>
>
>
> USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
>
> ceph 629903 50.7 25.9 17473680 17082432 ? Ssl avril05 6498:21 /usr/bin/ceph-mds -f --cluster ceph --id ceph4-1.odiso.net --setuser ceph --setgroup ceph
>
>
>
>
>
> ~# ceph daemon mds.ceph4-1.odiso.net cache status
> {
> "pool": {
> "items": 16019302,
> "bytes": 5100941968
> }
> }
>
>
>
>
>
> # ceph daemon mds.ceph4-1.odiso.net perf dump
> {
> "AsyncMessenger::Worker-0": {
> "msgr_recv_messages": 648541059,
> "msgr_send_messages": 666102301,
> "msgr_recv_bytes": 4943336751206,
> "msgr_send_bytes": 868468165048,
> "msgr_created_connections": 167,
> "msgr_active_connections": 166,
> "msgr_running_total_time": 33884.943400671,
> "msgr_running_send_time": 12229.226645264,
> "msgr_running_recv_time": 26234.680757843,
> "msgr_running_fast_dispatch_time": 4650.248980986
> },
> "AsyncMessenger::Worker-1": {
> "msgr_recv_messages": 732301444,
> "msgr_send_messages": 750526966,
> "msgr_recv_bytes": 4248782228635,
> "msgr_send_bytes": 2379403291660,
> "msgr_created_connections": 172,
> "msgr_active_connections": 171,
> "msgr_running_total_time": 38490.093448635,
> "msgr_running_send_time": 14692.222019414,
> "msgr_running_recv_time": 31000.304091618,
> "msgr_running_fast_dispatch_time": 3945.573521893
> },
> "AsyncMessenger::Worker-2": {
> "msgr_recv_messages": 503228767,
> "msgr_send_messages": 485729577,
> "msgr_recv_bytes": 3644656184942,
> "msgr_send_bytes": 526380645708,
> "msgr_created_connections": 156,
> "msgr_active_connections": 156,
> "msgr_running_total_time": 26566.051442840,
> "msgr_running_send_time": 9335.249687474,
> "msgr_running_recv_time": 22643.927960456,
> "msgr_running_fast_dispatch_time": 3426.566334706
> },
> "finisher-PurgeQueue": {
> "queue_len": 0,
> "complete_latency": {
> "avgcount": 2077128,
> "sum": 10029.468276512,
> "avgtime": 0.004828526
> }
> },
> "mds": {
> "request": 1320419754,
> "reply": 1320418963,
> "reply_latency": {
> "avgcount": 1320418963,
> "sum": 3567340.917522550,
> "avgtime": 0.002701673
> },
> "forward": 0,
> "dir_fetch": 95955541,
> "dir_commit": 5380286,
> "dir_split": 29080,
> "dir_merge": 28453,
> "inode_max": 2147483647,
> "inodes": 2049324,
> "inodes_top": 55759,
> "inodes_bottom": 118910,
> "inodes_pin_tail": 1874655,
> "inodes_pinned": 1969667,
> "inodes_expired": 14225864524,
> "inodes_with_caps": 1969030,
> "caps": 3010600,
> "subtrees": 2,
> "traverse": 1433042396,
> "traverse_hit": 855810795,
> "traverse_forward": 0,
> "traverse_discover": 0,
> "traverse_dir_fetch": 75553963,
> "traverse_remote_ino": 5462,
> "traverse_lock": 217,
> "load_cent": 132079451933,
> "q": 41,
> "exported": 0,
> "exported_inodes": 0,
> "imported": 0,
> "imported_inodes": 0
> },
> "mds_cache": {
> "num_strays": 150,
> "num_strays_delayed": 0,
> "num_strays_enqueuing": 0,
> "strays_created": 2317004,
> "strays_enqueued": 2316671,
> "strays_reintegrated": 288,
> "strays_migrated": 0,
> "num_recovering_processing": 0,
> "num_recovering_enqueued": 0,
> "num_recovering_prioritized": 0,
> "recovery_started": 0,
> "recovery_completed": 0,
> "ireq_enqueue_scrub": 0,
> "ireq_exportdir": 0,
> "ireq_flush": 0,
> "ireq_fragmentdir": 57533,
> "ireq_fragstats": 0,
> "ireq_inodestats": 0
> },
> "mds_log": {
> "evadd": 293928039,
> "evex": 293928281,
> "evtrm": 293926233,
> "ev": 26595,
> "evexg": 0,
> "evexd": 2048,
> "segadd": 365381,
> "segex": 365382,
> "segtrm": 365380,
> "seg": 32,
> "segexg": 0,
> "segexd": 2,
> "expos": 4997676796422,
> "wrpos": 4997732797135,
> "rdpos": 4232612352311,
> "jlat": {
> "avgcount": 62629276,
> "sum": 260619.838247062,
> "avgtime": 0.004161310
> },
> "replayed": 24789
> },
> "mds_mem": {
> "ino": 2048405,
> "ino+": 14160488289,
> "ino-": 14158439884,
> "dir": 377882,
> "dir+": 15421679,
> "dir-": 15043797,
> "dn": 2049614,
> "dn+": 14231703198,
> "dn-": 14229653584,
> "cap": 3010600,
> "cap+": 1555206662,
> "cap-": 1552196062,
> "rss": 17082432,
> "heap": 313916,
> "buf": 0
> },
> "mds_server": {
> "dispatch_client_request": 1437033326,
> "dispatch_server_request": 0,
> "handle_client_request": 1320419754,
> "handle_client_session": 11542297,
> "handle_slave_request": 0,
> "req_create": 18618128,
> "req_getattr": 11195570,
> "req_getfilelock": 0,
> "req_link": 411,
> "req_lookup": 1005844421,
> "req_lookuphash": 0,
> "req_lookupino": 0,
> "req_lookupname": 37344,
> "req_lookupparent": 0,
> "req_lookupsnap": 0,
> "req_lssnap": 0,
> "req_mkdir": 691747,
> "req_mknod": 18,
> "req_mksnap": 0,
> "req_open": 230213054,
> "req_readdir": 50618109,
> "req_rename": 17377032,
> "req_renamesnap": 0,
> "req_rmdir": 463707,
> "req_rmsnap": 0,
> "req_rmxattr": 0,
> "req_setattr": 1963949,
> "req_setdirlayout": 0,
> "req_setfilelock": 210187,
> "req_setlayout": 0,
> "req_setxattr": 8,
> "req_symlink": 1971,
> "req_unlink": 1801435
> },
> "mds_sessions": {
> "session_count": 305,
> "session_add": 473,
> "session_remove": 168
> },
> "objecter": {
> "op_active": 0,
> "op_laggy": 0,
> "op_send": 197270397,
> "op_send_bytes": 796275884964,
> "op_resend": 7,
> "op_reply": 197270390,
> "op": 197270390,
> "op_r": 96075672,
> "op_w": 101194718,
> "op_rmw": 0,
> "op_pg": 0,
> "osdop_stat": 4428036,
> "osdop_create": 19400797,
> "osdop_read": 31288,
> "osdop_write": 62709547,
> "osdop_writefull": 165583,
> "osdop_writesame": 0,
> "osdop_append": 0,
> "osdop_zero": 2,
> "osdop_truncate": 13280,
> "osdop_delete": 3185444,
> "osdop_mapext": 0,
> "osdop_sparse_read": 0,
> "osdop_clonerange": 0,
> "osdop_getxattr": 27007173,
> "osdop_setxattr": 38801594,
> "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": 10143158,
> "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": 3044,
> "map_full": 0,
> "map_inc": 160,
> "osd_sessions": 18,
> "osd_session_open": 20,
> "osd_session_close": 2,
> "osd_laggy": 0,
> "omap_wr": 9743114,
> "omap_rd": 191911089,
> "omap_del": 684272
> },
> "purge_queue": {
> "pq_executing_ops": 0,
> "pq_executing": 0,
> "pq_executed": 2316671
> },
> "throttle-msgr_dispatch_throttler-mds": {
> "val": 0,
> "max": 104857600,
> "get_started": 0,
> "get": 1884071270,
> "get_sum": 12697353890803,
> "get_or_fail_fail": 0,
> "get_or_fail_success": 1884071270,
> "take": 0,
> "take_sum": 0,
> "put": 1884071270,
> "put_sum": 12697353890803,
> "wait": {
> "avgcount": 0,
> "sum": 0.000000000,
> "avgtime": 0.000000000
> }
> },
> "throttle-objecter_bytes": {
> "val": 0,
> "max": 104857600,
> "get_started": 0,
> "get": 0,
> "get_sum": 0,
> "get_or_fail_fail": 0,
> "get_or_fail_success": 0,
> "take": 197270390,
> "take_sum": 796529593788,
> "put": 183928495,
> "put_sum": 796529593788,
> "wait": {
> "avgcount": 0,
> "sum": 0.000000000,
> "avgtime": 0.000000000
> }
> },
> "throttle-objecter_ops": {
> "val": 0,
> "max": 1024,
> "get_started": 0,
> "get": 0,
> "get_sum": 0,
> "get_or_fail_fail": 0,
> "get_or_fail_success": 0,
> "take": 197270390,
> "take_sum": 197270390,
> "put": 197270390,
> "put_sum": 197270390,
> "wait": {
> "avgcount": 0,
> "sum": 0.000000000,
> "avgtime": 0.000000000
> }
> },
> "throttle-write_buf_throttle": {
> "val": 0,
> "max": 3758096384,
> "get_started": 0,
> "get": 2316671,
> "get_sum": 215451035,
> "get_or_fail_fail": 0,
> "get_or_fail_success": 2316671,
> "take": 0,
> "take_sum": 0,
> "put": 31223,
> "put_sum": 215451035,
> "wait": {
> "avgcount": 0,
> "sum": 0.000000000,
> "avgtime": 0.000000000
> }
> },
> "throttle-write_buf_throttle-0x563c33bea220": {
> "val": 29763,
> "max": 3758096384,
> "get_started": 0,
> "get": 293928039,
> "get_sum": 765120443785,
> "get_or_fail_fail": 0,
> "get_or_fail_success": 293928039,
> "take": 0,
> "take_sum": 0,
> "put": 62629276,
> "put_sum": 765120414022,
> "wait": {
> "avgcount": 0,
> "sum": 0.000000000,
> "avgtime": 0.000000000
> }
> }
> }
>
I don't find any clue. Next time it happens, could you please try
"ceph tell mds.xxx heap release"
>
>
> # ceph status
> cluster:
> id: e22b8e83-3036-4fe5-8fd5-5ce9d539beca
> health: HEALTH_OK
>
> services:
> mon: 3 daemons, quorum ceph4-1,ceph4-2,ceph4-3
> mgr: ceph4-2.odiso.net(active), standbys: ceph4-3.odiso.net, ceph4-1.odiso.net
> mds: cephfs4-1/1/1 up {0=ceph4-1.odiso.net=up:active}, 2 up:standby
> osd: 18 osds: 18 up, 18 in
>
> data:
> pools: 11 pools, 1992 pgs
> objects: 72258k objects, 5918 GB
> usage: 20088 GB used, 6737 GB / 26825 GB avail
> pgs: 1992 active+clean
>
> io:
> client: 3099 kB/s rd, 6412 kB/s wr, 108 op/s rd, 481 op/s wr
>
>
> ----- Mail original -----
> De: "Patrick Donnelly" <pdonnell@xxxxxxxxxx>
> À: "aderumier" <aderumier@xxxxxxxxx>
> Cc: "ceph-users" <ceph-users@xxxxxxxxxxxxxx>
> Envoyé: Mardi 27 Mars 2018 20:35:08
> Objet: Re: ceph mds memory usage 20GB : is it normal ?
>
> Hello Alexandre,
>
> On Thu, Mar 22, 2018 at 2:29 AM, Alexandre DERUMIER <aderumier@xxxxxxxxx> wrote:
>> Hi,
>>
>> I'm running cephfs since 2 months now,
>>
>> and my active msd memory usage is around 20G now (still growing).
>>
>> ceph 1521539 10.8 31.2 20929836 20534868 ? Ssl janv.26 8573:34 /usr/bin/ceph-mds -f --cluster ceph --id 2 --setuser ceph --setgroup ceph
>> USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
>>
>>
>> this is on luminous 12.2.2
>>
>> only tuning done is:
>>
>> mds_cache_memory_limit = 5368709120
>>
>>
>> (5GB). I known it's a soft limit, but 20G seem quite huge vs 5GB ....
>>
>>
>> Is it normal ?
>
> No, that's definitely not normal!
>
>
>> # ceph daemon mds.2 perf dump mds
>> {
>> "mds": {
>> "request": 1444009197,
>> "reply": 1443999870,
>> "reply_latency": {
>> "avgcount": 1443999870,
>> "sum": 1657849.656122933,
>> "avgtime": 0.001148095
>> },
>> "forward": 0,
>> "dir_fetch": 51740910,
>> "dir_commit": 9069568,
>> "dir_split": 64367,
>> "dir_merge": 58016,
>> "inode_max": 2147483647,
>> "inodes": 2042975,
>> "inodes_top": 152783,
>> "inodes_bottom": 138781,
>> "inodes_pin_tail": 1751411,
>> "inodes_pinned": 1824714,
>> "inodes_expired": 7258145573,
>> "inodes_with_caps": 1812018,
>> "caps": 2538233,
>> "subtrees": 2,
>> "traverse": 1591668547,
>> "traverse_hit": 1259482170,
>> "traverse_forward": 0,
>> "traverse_discover": 0,
>> "traverse_dir_fetch": 30827836,
>> "traverse_remote_ino": 7510,
>> "traverse_lock": 86236,
>> "load_cent": 144401980319,
>> "q": 49,
>> "exported": 0,
>> "exported_inodes": 0,
>> "imported": 0,
>> "imported_inodes": 0
>> }
>> }
>
> Can you also share `ceph daemon mds.2 cache status`, the full `ceph
> daemon mds.2 perf dump`, and `ceph status`?
>
> Note [1] will be in 12.2.5 and may help with your issue.
>
> [1] https://github.com/ceph/ceph/pull/20527
>
> --
> Patrick Donnelly
>
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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