Hi,
In one of my node glustershd process is killed due to OOM and this happened only in one node out of 40 node cluster.
Node running on Ubuntu 16.04.2.
dmesg output:
[Mon Apr 24 17:21:38 2017] nrpe invoked oom-killer: gfp_mask=0x26000c0, order=2, oom_score_adj=0
[Mon Apr 24 17:21:38 2017] nrpe cpuset=/ mems_allowed=0
[Mon Apr 24 17:21:38 2017] CPU: 0 PID: 12626 Comm: nrpe Not tainted 4.4.0-62-generic #83-Ubuntu
[Mon Apr 24 17:21:38 2017] 0000000000000286 00000000fc26b170 ffff88048bf27af0 ffffffff813f7c63
[Mon Apr 24 17:21:38 2017] ffff88048bf27cc8 ffff88082a663c00 ffff88048bf27b60 ffffffff8120ad4e
[Mon Apr 24 17:21:38 2017] ffff88087781a870 ffff88087781a860 ffffea0011285a80 0000000100000001
[Mon Apr 24 17:21:38 2017] Call Trace:
[Mon Apr 24 17:21:38 2017] [<ffffffff813f7c63>] dump_stack+0x63/0x90
[Mon Apr 24 17:21:38 2017] [<ffffffff8120ad4e>] dump_header+0x5a/0x1c5
[Mon Apr 24 17:21:38 2017] [<ffffffff811926c2>] oom_kill_process+0x202/0x3c0
[Mon Apr 24 17:21:38 2017] [<ffffffff81192ae9>] out_of_memory+0x219/0x460
[Mon Apr 24 17:21:38 2017] [<ffffffff81198a5d>] __alloc_pages_slowpath.constprop.88+0x8fd/0xa70
[Mon Apr 24 17:21:38 2017] [<ffffffff81198e56>] __alloc_pages_nodemask+0x286/0x2a0
[Mon Apr 24 17:21:38 2017] [<ffffffff81198f0b>] alloc_kmem_pages_node+0x4b/0xc0
[Mon Apr 24 17:21:38 2017] [<ffffffff8107ea5e>] copy_process+0x1be/0x1b70
[Mon Apr 24 17:21:38 2017] [<ffffffff8122d013>] ? __fd_install+0x33/0xe0
[Mon Apr 24 17:21:38 2017] [<ffffffff81713d01>] ? release_sock+0x111/0x160
[Mon Apr 24 17:21:38 2017] [<ffffffff810805a0>] _do_fork+0x80/0x360
[Mon Apr 24 17:21:38 2017] [<ffffffff8122429c>] ? SyS_select+0xcc/0x110
[Mon Apr 24 17:21:38 2017] [<ffffffff81080929>] SyS_clone+0x19/0x20
[Mon Apr 24 17:21:38 2017] [<ffffffff818385f2>] entry_SYSCALL_64_fastpath+0x16/0x71
[Mon Apr 24 17:21:38 2017] Mem-Info:
[Mon Apr 24 17:21:38 2017] active_anon:553952 inactive_anon:206987 isolated_anon:0
active_file:3410764 inactive_file:3460179 isolated_file:0
unevictable:4914 dirty:212868 writeback:0 unstable:0
slab_reclaimable:386621 slab_unreclaimable:31829
mapped:6112 shmem:211 pagetables:6178 bounce:0
free:82623 free_pcp:213 free_cma:0
[Mon Apr 24 17:21:38 2017] Node 0 DMA free:15880kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0k
B active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15964kB manag
ed:15880kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB
kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:
0kB pages_scanned:0 all_unreclaimable? yes
[Mon Apr 24 17:21:38 2017] lowmem_reserve[]: 0 1868 31944 31944 31944
[Mon Apr 24 17:21:38 2017] Node 0 DMA32 free:133096kB min:3948kB low:4932kB high:5920kB active_anon:170764kB in
active_anon:206296kB active_file:394236kB inactive_file:525288kB unevictable:980kB isolated(anon):0kB isolated(
file):0kB present:2033596kB managed:1952976kB mlocked:980kB dirty:1552kB writeback:0kB mapped:3904kB shmem:724k
B slab_reclaimable:502176kB slab_unreclaimable:8916kB kernel_stack:1952kB pagetables:1408kB unstable:0kB bounce
:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[Mon Apr 24 17:21:38 2017] lowmem_reserve[]: 0 0 30076 30076 30076
[Mon Apr 24 17:21:38 2017] Node 0 Normal free:181516kB min:63600kB low:79500kB high:95400kB active_anon:2045044
kB inactive_anon:621652kB active_file:13248820kB inactive_file:13315428kB unevictable:18676kB isolated(anon):0kB isolated(file):0kB present:31322112kB managed:30798036kB mlocked:18676kB dirty:849920kB writeback:0kB mapped:20544kB shmem:120kB slab_reclaimable:1044308kB slab_unreclaimable:118400kB kernel_stack:33792kB pagetables:23304kB unstable:0kB bounce:0kB free_pcp:852kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[Mon Apr 24 17:21:38 2017] lowmem_reserve[]: 0 0 0 0 0
[Mon Apr 24 17:21:38 2017] Node 0 DMA: 0*4kB 1*8kB (U) 0*16kB 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB
1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15880kB
[Mon Apr 24 17:21:38 2017] Node 0 DMA32: 18416*4kB (UME) 7480*8kB (UME) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*
512kB 0*1024kB 0*2048kB 0*4096kB = 133504kB
[Mon Apr 24 17:21:38 2017] Node 0 Normal: 44972*4kB (UMEH) 13*8kB (EH) 13*16kB (H) 13*32kB (H) 8*64kB (H) 2*128
kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 181384kB
[Mon Apr 24 17:21:38 2017] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[Mon Apr 24 17:21:38 2017] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[Mon Apr 24 17:21:38 2017] 6878703 total pagecache pages
[Mon Apr 24 17:21:38 2017] 2484 pages in swap cache
[Mon Apr 24 17:21:38 2017] Swap cache stats: add 3533870, delete 3531386, find 3743168/4627884
[Mon Apr 24 17:21:38 2017] Free swap = 14976740kB
[Mon Apr 24 17:21:38 2017] Total swap = 15623164kB
[Mon Apr 24 17:21:38 2017] 8342918 pages RAM
[Mon Apr 24 17:21:38 2017] 0 pages HighMem/MovableOnly
[Mon Apr 24 17:21:38 2017] 151195 pages reserved
[Mon Apr 24 17:21:38 2017] 0 pages cma reserved
[Mon Apr 24 17:21:38 2017] 0 pages hwpoisoned
[Mon Apr 24 17:21:38 2017] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name
[Mon Apr 24 17:21:38 2017] [ 566] 0 566 15064 460 33 3 1108 0 systemd
-journal
[Mon Apr 24 17:21:38 2017] [ 602] 0 602 23693 182 16 3 0 0 lvmetad
[Mon Apr 24 17:21:38 2017] [ 613] 0 613 11241 589 21 3 264 -1000 systemd
-udevd
[Mon Apr 24 17:21:38 2017] [ 1381] 100 1381 25081 440 19 3 25 0 systemd
-timesyn
[Mon Apr 24 17:21:38 2017] [ 1447] 0 1447 1100 307 7 3 0 0 acpid
[Mon Apr 24 17:21:38 2017] [ 1449] 0 1449 7252 374 21 3 47 0 cron
[Mon Apr 24 17:21:38 2017] [ 1451] 0 1451 77253 994 19 3 10 0 lxcfs
[Mon Apr 24 17:21:38 2017] [ 1483] 0 1483 6511 413 18 3 42 0 atd
[Mon Apr 24 17:21:38 2017] [ 1505] 0 1505 7157 286 18 3 36 0 systemd
-logind
[Mon Apr 24 17:21:38 2017] [ 1508] 104 1508 64099 376 27 4 712 0 rsyslog
d
[Mon Apr 24 17:21:38 2017] [ 1510] 107 1510 10723 497 25 3 45 -900 dbus-da
emon
[Mon Apr 24 17:21:38 2017] [ 1521] 0 1521 68970 178 38 3 170 0 account
s-daemon
[Mon Apr 24 17:21:38 2017] [ 1526] 0 1526 6548 785 16 3 63 0 smartd
[Mon Apr 24 17:21:38 2017] [ 1528] 0 1528 54412 146 31 5 1806 0 snapd
[Mon Apr 24 17:21:38 2017] [ 1578] 0 1578 3416 335 11 3 24 0 mdadm
[Mon Apr 24 17:21:38 2017] [ 1595] 0 1595 16380 470 35 3 157 -1000 sshd
[Mon Apr 24 17:21:38 2017] [ 1610] 0 1610 69295 303 40 4 57 0 polkitd
[Mon Apr 24 17:21:38 2017] [ 1618] 0 1618 1306 31 8 3 0 0 iscsid
[Mon Apr 24 17:21:38 2017] [ 1619] 0 1619 1431 877 8 3 0 -17 iscsid
[Mon Apr 24 17:21:38 2017] [ 1624] 0 1624 126363 8027 122 4 22441 0 gluster
d
[Mon Apr 24 17:21:38 2017] [ 1688] 0 1688 4884 430 15 3 46 0 irqbala
nce
[Mon Apr 24 17:21:38 2017] [ 1699] 0 1699 3985 348 13 3 0 0 agetty
[Mon Apr 24 17:21:38 2017] [ 7001] 0 7001 500631 27874 145 5 3356 0 gluster
fsd
[Mon Apr 24 17:21:38 2017] [ 8136] 0 8136 500631 28760 141 5 2390 0 gluster
fsd
[Mon Apr 24 17:21:38 2017] [ 9280] 0 9280 533529 27752 135 5 3200 0 gluster
fsd
[Mon Apr 24 17:21:38 2017] [12626] 111 12626 5991 420 16 3 113 0 nrpe
[Mon Apr 24 17:21:38 2017] [14342] 0 14342 533529 28377 135 5 2176 0 gluster
fsd
[Mon Apr 24 17:21:38 2017] [14361] 0 14361 534063 29190 136 5 1972 0 gluster
fsd
[Mon Apr 24 17:21:38 2017] [14380] 0 14380 533529 28104 136 6 2437 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [14399] 0 14399 533529 27552 131 5 2808 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [14418] 0 14418 533529 29588 138 5 2697 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [14437] 0 14437 517080 28671 146 5 2170 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [14456] 0 14456 533529 28083 139 5 3359 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [14475] 0 14475 533529 28054 134 5 2954 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [14494] 0 14494 533529 28594 135 5 2311 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [14513] 0 14513 533529 28911 138 5 2833 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [14532] 0 14532 533529 28259 134 6 3145 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [14551] 0 14551 533529 27875 138 5 2267 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [14570] 0 14570 484716 28247 142 5 2875 0 glusterfsd
[Mon Apr 24 17:21:38 2017] [27646] 0 27646 3697561 202086 2830 17 16528 0 glusterfs
[Mon Apr 24 17:21:38 2017] [27655] 0 27655 787371 29588 197 6 25472 0 glusterfs
[Mon Apr 24 17:21:38 2017] [27665] 0 27665 689585 605 108 6 7008 0 glusterfs
[Mon Apr 24 17:21:38 2017] [29878] 0 29878 193833 36054 241 4 41182 0 glusterfs
[Mon Apr 24 17:21:38 2017] Out of memory: Kill process 27646 (glusterfs) score 17 or sacrifice child
[Mon Apr 24 17:21:38 2017] Killed process 27646 (glusterfs) total-vm:14790244kB, anon-rss:795040kB, file-rss:13304kB
/var/log/glusterfs/glusterd.log
[2017-04-24 11:53:51.359603] I [MSGID: 106006] [glusterd-svc-mgmt.c:327:glusterd_svc_common_rpc_notify] 0-management: glustershd has disconnected from glusterd.
what would have gone wrong?
regards
Amudhan
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