Memory cgroup out of memory

S

StormLXC

Member
Sep 23, 2020
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We have a Proxmox cluster with several nodes.

All nodes identical: 64GB RAM, 48 Xeon threads, 1x960ssd, ext4 noatime, vm.swappiness=1. Lately, swap was disabled via 'swapoff -a'

4 identical containers running same parsing-task: 20cpu, 16GB, noatime, Ubuntu 20.10 downloaded via ProxMox GUI.

Journaling is disabled at node and inside containers with:

Code: 
echo "Storage=none" >> /etc/systemd/journald.conf
service systemd-journald restart

Nodes are hit by OOM-killer every 15 min or so.


Node's GUI shows less than 50% RAM used. Monitoring node with 'top' showed that oom comes when free memory == 0 and almost all free ram is consumed by kernel and allocated in 'buff/cache'. As far as I understand, kernel should release 'buff/cache' once there is memory request from applications, but in this case it probably doesn't.

I tried to overcommit RAM in LXC from 16Gb to 32Gb and it helped a lot. Now, oom visits only 5% of nodes but the problem is not 100% solved.
 
Last edited:
Here is a crash log:

Code: 
Apr 11 16:20:48 foxtrot14 kernel: lxcfs invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=1, oom_score_adj=0
Apr 11 16:20:48 foxtrot14 kernel: CPU: 25 PID: 57322 Comm: lxcfs Tainted: P           O      5.4.106-1-pve #1
Apr 11 16:20:48 foxtrot14 kernel: Call Trace:
Apr 11 16:20:48 foxtrot14 kernel:  dump_stack+0x6d/0x8b
Apr 11 16:20:48 foxtrot14 kernel:  dump_header+0x4f/0x1e1
Apr 11 16:20:48 foxtrot14 kernel:  oom_kill_process.cold.33+0xb/0x10
Apr 11 16:20:48 foxtrot14 kernel:  out_of_memory+0x1ad/0x490
Apr 11 16:20:48 foxtrot14 kernel:  __alloc_pages_slowpath+0xd40/0xe30
Apr 11 16:20:48 foxtrot14 kernel:  ? __switch_to_asm+0x34/0x70
Apr 11 16:20:48 foxtrot14 kernel:  ? __switch_to_asm+0x40/0x70
Apr 11 16:20:48 foxtrot14 kernel:  __alloc_pages_nodemask+0x2df/0x330
Apr 11 16:20:48 foxtrot14 kernel:  alloc_pages_current+0x81/0xe0
Apr 11 16:20:48 foxtrot14 kernel:  __get_free_pages+0x11/0x40
Apr 11 16:20:48 foxtrot14 kernel:  pgd_alloc+0x36/0x1e0
Apr 11 16:20:48 foxtrot14 kernel:  mm_init+0x195/0x280
Apr 11 16:20:48 foxtrot14 kernel:  dup_mm+0x68/0x5c0
Apr 11 16:20:48 foxtrot14 kernel:  ? __lock_task_sighand+0x28/0x70
Apr 11 16:20:48 foxtrot14 kernel:  copy_process+0x18a9/0x1b60
Apr 11 16:20:48 foxtrot14 kernel:  _do_fork+0x85/0x350
Apr 11 16:20:48 foxtrot14 kernel:  __x64_sys_clone+0x8f/0xb0
Apr 11 16:20:48 foxtrot14 kernel:  do_syscall_64+0x57/0x190
Apr 11 16:20:48 foxtrot14 kernel:  entry_SYSCALL_64_after_hwframe+0x44/0xa9
Apr 11 16:20:48 foxtrot14 kernel: RIP: 0033:0x7f56bbad47be
Apr 11 16:20:48 foxtrot14 kernel: Code: db 0f 85 25 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 b6 00 00 00 41 89 c4 85 c0 0f 85 c3 00 00
Apr 11 16:20:48 foxtrot14 kernel: RSP: 002b:00007f56ba9dc630 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
Apr 11 16:20:48 foxtrot14 kernel: RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f56bbad47be
Apr 11 16:20:48 foxtrot14 kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
Apr 11 16:20:48 foxtrot14 kernel: RBP: 0000000000000001 R08: 0000000000000000 R09: 00007f56ba9dd700
Apr 11 16:20:48 foxtrot14 kernel: R10: 00007f56ba9dd9d0 R11: 0000000000000246 R12: 000000000000af6b
Apr 11 16:20:48 foxtrot14 kernel: R13: 00007f56ba9dc720 R14: ffffffffffffffff R15: 00007f56bb9f2fe0
Apr 11 16:20:48 foxtrot14 kernel: Mem-Info:
Apr 11 16:20:48 foxtrot14 kernel: active_anon:7661538 inactive_anon:7598803 isolated_anon:0
 active_file:1855 inactive_file:4790 isolated_file:24
 unevictable:48805 dirty:42 writeback:50 unstable:0
 slab_reclaimable:262839 slab_unreclaimable:363214
 mapped:7425017 shmem:7605001 pagetables:212672 bounce:0
 free:55528 free_pcp:1 free_cma:0
Apr 11 16:20:48 foxtrot14 kernel: Node 0 active_anon:14339500kB inactive_anon:16012344kB active_file:2716kB inactive_file:8140kB unevictable:185264kB isolated(anon):0kB isolated(file):0kB mapped:15693904kB dirty:8kB writeback:128kB shmem:16036684kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Apr 11 16:20:48 foxtrot14 kernel: Node 1 active_anon:16306652kB inactive_anon:14382868kB active_file:4704kB inactive_file:11020kB unevictable:9956kB isolated(anon):0kB isolated(file):96kB mapped:14006164kB dirty:160kB writeback:72kB shmem:14383320kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Apr 11 16:20:48 foxtrot14 kernel: Node 0 DMA free:15900kB min:20kB low:32kB high:44kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15984kB managed:15900kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Apr 11 16:20:48 foxtrot14 kernel: lowmem_reserve[]: 0 2910 32055 32055 32055
Apr 11 16:20:48 foxtrot14 kernel: Node 0 DMA32 free:120416kB min:4076kB low:7056kB high:10036kB active_anon:990784kB inactive_anon:1515580kB active_file:120kB inactive_file:92kB unevictable:0kB writepending:8kB present:3094192kB managed:3028656kB mlocked:0kB kernel_stack:15876kB pagetables:62436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Apr 11 16:20:48 foxtrot14 kernel: lowmem_reserve[]: 0 0 29144 29144 29144
Apr 11 16:20:48 foxtrot14 kernel: Node 0 Normal free:40668kB min:40832kB low:70676kB high:100520kB active_anon:13348716kB inactive_anon:14496764kB active_file:2512kB inactive_file:8292kB unevictable:185264kB writepending:128kB present:30408704kB managed:29852304kB mlocked:185264kB kernel_stack:57200kB pagetables:287864kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB
Apr 11 16:20:48 foxtrot14 kernel: lowmem_reserve[]: 0 0 0 0 0
Apr 11 16:20:48 foxtrot14 kernel: Node 1 Normal free:45128kB min:45176kB low:78196kB high:111216kB active_anon:16306652kB inactive_anon:14382868kB active_file:4780kB inactive_file:11280kB unevictable:9956kB writepending:232kB present:33554428kB managed:33021948kB mlocked:9956kB kernel_stack:89804kB pagetables:500388kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Apr 11 16:20:48 foxtrot14 kernel: lowmem_reserve[]: 0 0 0 0 0
Apr 11 16:20:48 foxtrot14 kernel: Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15900kB
Apr 11 16:20:48 foxtrot14 kernel: Node 0 DMA32: 554*4kB (UMEH) 4535*8kB (UM) 3229*16kB (UME) 897*32kB (UMEH) 6*64kB (MH) 4*128kB (H) 2*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 120272kB
Apr 11 16:20:48 foxtrot14 kernel: Node 0 Normal: 10310*4kB (UMH) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 41240kB
Apr 11 16:20:48 foxtrot14 kernel: Node 1 Normal: 11307*4kB (UMH) 2*8kB (H) 2*16kB (H) 3*32kB (H) 2*64kB (H) 1*128kB (H) 1*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 46396kB
Apr 11 16:20:48 foxtrot14 kernel: Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Apr 11 16:20:48 foxtrot14 kernel: Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Apr 11 16:20:48 foxtrot14 kernel: Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Apr 11 16:20:48 foxtrot14 kernel: Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Apr 11 16:20:48 foxtrot14 kernel: 7615504 total pagecache pages
Apr 11 16:20:48 foxtrot14 kernel: 0 pages in swap cache
Apr 11 16:20:48 foxtrot14 kernel: Swap cache stats: add 0, delete 0, find 0/0
Apr 11 16:20:48 foxtrot14 kernel: Free swap  = 0kB
Apr 11 16:20:48 foxtrot14 kernel: Total swap = 0kB
Apr 11 16:20:48 foxtrot14 kernel: 16768327 pages RAM
Apr 11 16:20:48 foxtrot14 kernel: 0 pages HighMem/MovableOnly
Apr 11 16:20:48 foxtrot14 kernel: 288625 pages reserved
Apr 11 16:20:48 foxtrot14 kernel: 0 pages cma reserved
Apr 11 16:20:48 foxtrot14 kernel: 0 pages hwpoisoned
Apr 11 16:20:48 foxtrot14 kernel: Tasks state (memory values in pages):
Apr 11 16:20:48 foxtrot14 kernel: [  pid  ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
Apr 11 16:20:48 foxtrot14 kernel: [    765]     0   765     9970     1647    94208        0             0 systemd-journal

......... cut, too long ........

Apr 11 16:20:48 foxtrot14 kernel: oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/lxc/130/ns/system.slice/pm2-root.service,task=chrome,pid=51370,uid=100000
Apr 11 16:20:48 foxtrot14 kernel: Out of memory: Killed process 51370 (chrome) total-vm:38595940kB, anon-rss:194704kB, file-rss:0kB, shmem-rss:317824kB, UID:100000 pgtables:2092kB oom_score_adj:300
Apr 11 16:20:48 foxtrot14 kernel: oom_reaper: reaped process 51370 (chrome), now anon-rss:0kB, file-rss:0kB, shmem-rss:318384kB
 
egrep -e oom-killer /var/log/kern.log

Code: 
Apr 11 03:02:13 foxtrot14 kernel: [706780.765069] NetworkService invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 03:18:36 foxtrot14 kernel: [707763.668747] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=300
Apr 11 03:19:14 foxtrot14 kernel: [707801.545968] NetworkService invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 03:22:42 foxtrot14 kernel: [708009.259695] NetworkService invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 04:27:53 foxtrot14 kernel: [711920.612637] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 05:22:01 foxtrot14 kernel: [715168.814644] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 05:30:56 foxtrot14 kernel: [715703.067057] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 05:34:08 foxtrot14 kernel: [715895.678606] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 06:35:47 foxtrot14 kernel: [719594.137018] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 06:43:26 foxtrot14 kernel: [720053.824058] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 06:43:50 foxtrot14 kernel: [720077.000294] ThreadPoolServi invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 06:57:09 foxtrot14 kernel: [720876.058310] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 06:57:27 foxtrot14 kernel: [720894.793756] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 07:46:18 foxtrot14 kernel: [723825.824249] server invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 08:32:53 foxtrot14 kernel: [726620.717799] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 08:34:17 foxtrot14 kernel: [726704.674956] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 09:00:36 foxtrot14 kernel: [728283.711599] NetworkService invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 09:00:48 foxtrot14 kernel: [728295.183814] server invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 09:01:06 foxtrot14 kernel: [728313.647071] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 09:15:02 foxtrot14 kernel: [729149.551796] VizCompositorTh invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=200
Apr 11 09:15:38 foxtrot14 kernel: [729184.997177] ThreadPoolForeg invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 09:16:22 foxtrot14 kernel: [729229.401372] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=300
Apr 11 09:41:54 foxtrot14 kernel: [730761.242164] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 09:42:05 foxtrot14 kernel: [730772.294139] NetworkService invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 09:42:19 foxtrot14 kernel: [730786.637332] ThreadPoolForeg invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=300
Apr 11 11:12:10 foxtrot14 kernel: [736177.561916] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=300
Apr 11 11:19:48 foxtrot14 kernel: [736635.223469] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 11:41:23 foxtrot14 kernel: [737930.325193] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 12:05:59 foxtrot14 kernel: [739406.798018] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 12:10:11 foxtrot14 kernel: [739658.784261] server invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0
Apr 11 12:10:18 foxtrot14 kernel: [739665.311359] ThreadPoolServi invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 12:13:25 foxtrot14 kernel: [739852.602297] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 12:13:52 foxtrot14 kernel: [739879.446842] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 12:16:27 foxtrot14 kernel: [740034.729350] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 12:16:36 foxtrot14 kernel: [740043.598843] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 12:16:42 foxtrot14 kernel: [740049.587784] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 12:16:51 foxtrot14 kernel: [740058.200034] NetworkService invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 12:23:12 foxtrot14 kernel: [740439.128975] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=300
Apr 11 12:28:17 foxtrot14 kernel: [740744.720847] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 12:29:14 foxtrot14 kernel: [740801.527825] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 12:29:27 foxtrot14 kernel: [740814.034323] server invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0
Apr 11 12:29:43 foxtrot14 kernel: [740829.944858] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 12:59:31 foxtrot14 kernel: [742618.012701] ThreadPoolForeg invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 12:59:31 foxtrot14 kernel: [742618.079794] ThreadPoolForeg invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 12:59:48 foxtrot14 kernel: [742635.083829] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=300
Apr 11 13:06:33 foxtrot14 kernel: [743039.989527] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 13:08:02 foxtrot14 kernel: [743129.432127] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 13:15:49 foxtrot14 kernel: [743596.179733] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=300
Apr 11 13:16:00 foxtrot14 kernel: [743607.282817] NetworkService invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 13:19:34 foxtrot14 kernel: [743821.315836] server invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 13:27:03 foxtrot14 kernel: [744270.488143] Chrome_IOThread invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 13:36:49 foxtrot14 kernel: [744856.000214] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 13:55:08 foxtrot14 kernel: [745954.871300] ThreadPoolForeg invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 13:56:03 foxtrot14 kernel: [746010.188593] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 13:56:08 foxtrot14 kernel: [746014.912290] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=300
Apr 11 14:02:12 foxtrot14 kernel: [746379.312492] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 14:32:25 foxtrot14 kernel: [748192.766822] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=300
Apr 11 14:35:54 foxtrot14 kernel: [748401.617084] NetworkService invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 14:38:49 foxtrot14 kernel: [748576.433820] NetworkService invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 14:39:25 foxtrot14 kernel: [748612.495395] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 14:57:15 foxtrot14 kernel: [749682.485921] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=300
Apr 11 14:57:19 foxtrot14 kernel: [749686.492002] chrome invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 11 15:16:20 foxtrot14 kernel: [750827.772208] server invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=0, oom_score_adj=0
Apr 11 16:20:48 foxtrot14 kernel: [754695.717616] lxcfs invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=1, oom_score_adj=0
Apr 11 21:16:45 foxtrot14 kernel: [772451.963339] server invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
 
Did you find a solution or explanation for this? I have a cluster of 3 identical nodes. The container which terminates without warning is a debian based openldap server. Small resource consumer.
 
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