Trying to understand oom-killer (output)

Sasa Vilic sasavilic at gmail.com
Thu Feb 3 13:37:26 EST 2022


Hi,

this is my first email to LKML, so please forgive me if this is not a
proper mailing list. I have been puzzled by some oom-kill which I
don't understand. I invested a substantial amount of time trying to
understand oom-killer output, but the numbers just don't add up (I am
sure that I am missing something). You can find oom-killer log output
at the end of email below, here is my analysis so far:

[Don Feb  3 10:26:18 2022] kube-proxy invoked oom-killer:
gfp_mask=0x3000d0, order=2, oom_score_adj=-999
[Don Feb  3 10:26:18 2022] kube-proxy cpuset=kube-proxy mems_allowed=0
[Don Feb  3 10:26:18 2022] CPU: 2 PID: 3780 Comm: kube-proxy Kdump:
loaded Not tainted 3.10.0-957.21.3.el7.x86_64 #1

Kube proxy is triggering oom-killer, by requesting 16kb of memory
(order=2 => 2^2 = 4 pages = 16kb), right?

Trying to decode gfp_mask=0x3000d0
0x200000 #define ___GFP_HARDWALL        0x20000u
0x100000 #define ___GFP_NOMEMALLOC    0x10000u
0x80 #define ___GFP_FS        0x80u
0x40 #define ___GFP_IO        0x40u
0x10 #define ___GFP_WAIT        0x10u
tells me nothing so far.

[Don Feb  3 10:26:18 2022] 1042927 total pagecache pages
[Don Feb  3 10:26:18 2022] 0 pages in swap cache
[Don Feb  3 10:26:18 2022] Swap cache stats: add 0, delete 0, find 0/0
[Don Feb  3 10:26:18 2022] Free swap  = 0kB
[Don Feb  3 10:26:18 2022] Total swap = 0kB
[Don Feb  3 10:26:18 2022] 20971384 pages RAM
[Don Feb  3 10:26:18 2022] 0 pages HighMem/MovableOnly
[Don Feb  3 10:26:18 2022] 390901 pages reserved

We got around 80 GiB of RAM (20971384 pages) or of which 1.5 GiB is
reserved (390901). (reserved for the kernel itself I suppose, right?)
Swap is disabled.
We have 4 GiB used by page cache (but I suppose that those page cache
could be freed if needed?).

Looking at Normal pool:

[Don Feb  3 10:26:18 2022] Node 0 Normal free:69016kB min:65192kB
low:81488kB high:97788kB active_anon:44389844kB
inactive_anon:1293312kB active_file:20040kB inactive_file:32380kB
unevictable:44436kB isolated(anon):0kB isolated(file):564kB
present:80740352kB managed:79411360kB mlocked:44448kB dirty:0kB
writeback:20kB mapped:44412kB shmem:4010304kB
slab_reclaimable:18049652kB slab_unreclaimable:14413248kB
kernel_stack:51536kB pagetables:110548kB unstable:0kB bounce:0kB
free_pcp:2392kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB
pages_scanned:37 all_unreclaimable? no
[Don Feb  3 10:26:18 2022] lowmem_reserve[]: 0 0 0 0
[Don Feb  3 10:26:18 2022] Node 0 Normal: 8989*4kB (UEM) 3771*8kB (UE)
118*16kB (EM) 40*32kB (EM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB
0*2048kB 0*4096kB = 69292kB

There is around 4 MiB available before minimum is reached. There is
some fragmentation, but we still got 118 blocks of 16 kB. Therefore
the memory allocation request should not fail.

[Don Feb  3 10:26:18 2022] Mem-Info:
[Don Feb  3 10:26:18 2022] active_anon:11334512 inactive_anon:331655
isolated_anon:0
 active_file:5010 inactive_file:8095 isolated_file:141
 unevictable:11170 dirty:0 writeback:5 unstable:0
 slab_reclaimable:4728777 slab_unreclaimable:3779454
 mapped:11225 shmem:1027917 pagetables:28308 bounce:0
 free:99164 free_pcp:598 free_cma:0

There are 18 GiB (4728777 pages) used by the kernel that could be
apparently reclaimed, but it is not. Why is the kernel not reclaiming
that space?
There are 14 GiB (3779454 pages) used by the kernel that could not be
reclaimed. Why is my kernel taking so much space?

If I sum up all pages listed in the rss column for each process, I get
40 GiB (10651521 pages). I suppose that the remaining memory is used
by the kernel (18 + 14 GiB), right? What could be the reason for the
kernet to consume so much memory? Could too many threads explain this
behavior?

I still don't get why that 16 KiB allocation did not succeed.

I would appreciate any help that I can get. Thank you in advance!

Here is the whole oom-killer output:

[Don Feb  3 10:26:18 2022] kube-proxy invoked oom-killer:
gfp_mask=0x3000d0, order=2, oom_score_adj=-999
[Don Feb  3 10:26:18 2022] kube-proxy cpuset=kube-proxy mems_allowed=0
[Don Feb  3 10:26:18 2022] CPU: 2 PID: 3780 Comm: kube-proxy Kdump:
loaded Not tainted 3.10.0-957.21.3.el7.x86_64 #1
[Don Feb  3 10:26:18 2022] Hardware name: QEMU Standard PC (i440FX +
PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org
04/01/2014
[Don Feb  3 10:26:18 2022] Call Trace:
[Don Feb  3 10:26:18 2022]  [<ffffffffa2363107>] dump_stack+0x19/0x1b
[Don Feb  3 10:26:18 2022]  [<ffffffffa235db2a>] dump_header+0x90/0x229
[Don Feb  3 10:26:18 2022]  [<ffffffffa1d01292>] ? ktime_get_ts64+0x52/0xf0
[Don Feb  3 10:26:18 2022]  [<ffffffffa1d584df>] ? delayacct_end+0x8f/0xb0
[Don Feb  3 10:26:18 2022]  [<ffffffffa1dba834>] oom_kill_process+0x254/0x3d0
[Don Feb  3 10:26:18 2022]  [<ffffffffa1dba2dd>] ?
oom_unkillable_task+0xcd/0x120
[Don Feb  3 10:26:18 2022]  [<ffffffffa1dba386>] ? find_lock_task_mm+0x56/0xc0
[Don Feb  3 10:26:18 2022]  [<ffffffffa1dbb076>] out_of_memory+0x4b6/0x4f0
[Don Feb  3 10:26:18 2022]  [<ffffffffa235e62e>]
__alloc_pages_slowpath+0x5d6/0x724
[Don Feb  3 10:26:18 2022]  [<ffffffffa1dc1454>]
__alloc_pages_nodemask+0x404/0x420
[Don Feb  3 10:26:18 2022]  [<ffffffffa1c94dfd>] copy_process+0x1dd/0x1a40
[Don Feb  3 10:26:18 2022]  [<ffffffffa1c96811>] do_fork+0x91/0x320
[Don Feb  3 10:26:18 2022]  [<ffffffffa23709d6>] ?
trace_do_page_fault+0x56/0x150
[Don Feb  3 10:26:18 2022]  [<ffffffffa1c96b26>] SyS_clone+0x16/0x20
[Don Feb  3 10:26:18 2022]  [<ffffffffa23761b4>] stub_clone+0x44/0x70
[Don Feb  3 10:26:18 2022]  [<ffffffffa2375ddb>] ?
system_call_fastpath+0x22/0x27
[Don Feb  3 10:26:18 2022] Mem-Info:
[Don Feb  3 10:26:18 2022] active_anon:11334512 inactive_anon:331655
isolated_anon:0
 active_file:5010 inactive_file:8095 isolated_file:141
 unevictable:11170 dirty:0 writeback:5 unstable:0
 slab_reclaimable:4728777 slab_unreclaimable:3779454
 mapped:11225 shmem:1027917 pagetables:28308 bounce:0
 free:99164 free_pcp:598 free_cma:0
[Don Feb  3 10:26:18 2022] Node 0 DMA free:15892kB min:12kB low:12kB
high:16kB active_anon:0kB inactive_anon:0kB active_file:0kB
inactive_file:0kB unevictable:0kB isolated(anon):0kB
isolated(file):0kB present:15992kB managed:15908kB mlocked:0kB
dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB
slab_unreclaimable:16kB 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
[Don Feb  3 10:26:18 2022] lowmem_reserve[]: 0 2826 80374 80374
[Don Feb  3 10:26:18 2022] Node 0 DMA32 free:311376kB min:2376kB
low:2968kB high:3564kB active_anon:948204kB inactive_anon:33308kB
active_file:0kB inactive_file:0kB unevictable:244kB isolated(anon):0kB
isolated(file):0kB present:3129192kB managed:2894664kB mlocked:244kB
dirty:0kB writeback:0kB mapped:488kB shmem:101364kB
slab_reclaimable:865456kB slab_unreclaimable:704552kB
kernel_stack:3424kB pagetables:2684kB unstable:0kB bounce:0kB
free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB
pages_scanned:0 all_unreclaimable? yes
[Don Feb  3 10:26:18 2022] lowmem_reserve[]: 0 0 77547 77547
[Don Feb  3 10:26:18 2022] Node 0 Normal free:69016kB min:65192kB
low:81488kB high:97788kB active_anon:44389844kB
inactive_anon:1293312kB active_file:20040kB inactive_file:32380kB
unevictable:44436kB isolated(anon):0kB isolated(file):564kB
present:80740352kB managed:79411360kB mlocked:44448kB dirty:0kB
writeback:20kB mapped:44412kB shmem:4010304kB
slab_reclaimable:18049652kB slab_unreclaimable:14413248kB
kernel_stack:51536kB pagetables:110548kB unstable:0kB bounce:0kB
free_pcp:2392kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB
pages_scanned:37 all_unreclaimable? no
[Don Feb  3 10:26:18 2022] lowmem_reserve[]: 0 0 0 0
[Don Feb  3 10:26:18 2022] Node 0 DMA: 1*4kB (U) 0*8kB 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) = 15892kB
[Don Feb  3 10:26:18 2022] Node 0 DMA32: 2516*4kB (UEM) 560*8kB (UEM)
66*16kB (UEM) 3758*32kB (EM) 1244*64kB (EM) 311*128kB (UEM) 75*256kB
(UEM) 36*512kB (UEM) 18*1024kB (UEM) 0*2048kB 0*4096kB = 311344kB
[Don Feb  3 10:26:18 2022] Node 0 Normal: 8989*4kB (UEM) 3771*8kB (UE)
118*16kB (EM) 40*32kB (EM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB
0*2048kB 0*4096kB = 69292kB
[Don Feb  3 10:26:18 2022] Node 0 hugepages_total=0 hugepages_free=0
hugepages_surp=0 hugepages_size=1048576kB
[Don Feb  3 10:26:18 2022] Node 0 hugepages_total=0 hugepages_free=0
hugepages_surp=0 hugepages_size=2048kB
[Don Feb  3 10:26:18 2022] 1042927 total pagecache pages
[Don Feb  3 10:26:18 2022] 0 pages in swap cache
[Don Feb  3 10:26:18 2022] Swap cache stats: add 0, delete 0, find 0/0
[Don Feb  3 10:26:18 2022] Free swap  = 0kB
[Don Feb  3 10:26:18 2022] Total swap = 0kB
[Don Feb  3 10:26:18 2022] 20971384 pages RAM
[Don Feb  3 10:26:18 2022] 0 pages HighMem/MovableOnly
[Don Feb  3 10:26:18 2022] 390901 pages reserved
[Don Feb  3 10:26:18 2022] [ pid ]   uid  tgid total_vm      rss
nr_ptes swapents oom_score_adj name
[Don Feb  3 10:26:18 2022] [ 1807]     0  1807    27264    11751
59        0             0 systemd-journal
[Don Feb  3 10:26:18 2022] [ 1825]     0  1825    84456    19426
69        0             0 lvmetad
[Don Feb  3 10:26:18 2022] [ 1841]     0  1841    11129      386
23        0         -1000 systemd-udevd
[Don Feb  3 10:26:18 2022] [ 3280]     0  3280    32020    11163
53        0         -1000 dmeventd
[Don Feb  3 10:26:18 2022] [ 3289]     0  3289    13880      192
27        0         -1000 auditd
[Don Feb  3 10:26:18 2022] [ 3313]   999  3313   156151     2451
63        0             0 polkitd
[Don Feb  3 10:26:18 2022] [ 3314]    81  3314    15184      523
34        0          -900 dbus-daemon
[Don Feb  3 10:26:18 2022] [ 3320]     0  3320   119375     1271
84        0             0 NetworkManager
[Don Feb  3 10:26:18 2022] [ 3321]     0  3321    66966      629
80        0             0 sssd
[Don Feb  3 10:26:18 2022] [ 3322]     0  3322     5397      255
16        0             0 irqbalance
[Don Feb  3 10:26:18 2022] [ 3325]     0  3325     6224      325
17        0             0 qemu-ga
[Don Feb  3 10:26:18 2022] [ 3336]     0  3336    79483     2310
107        0             0 sssd_be
[Don Feb  3 10:26:18 2022] [ 3377]     0  3377    68920      577
88        0             0 sssd_nss
[Don Feb  3 10:26:18 2022] [ 3378]     0  3378    63840      550
78        0             0 sssd_pam
[Don Feb  3 10:26:18 2022] [ 3379]     0  3379    62228      555
77        0             0 sssd_ssh
[Don Feb  3 10:26:18 2022] [ 3435]     0  3435     6865      586
20        0             0 systemd-logind
[Don Feb  3 10:26:18 2022] [ 3448]     0  3448    31571      326
18        0             0 crond
[Don Feb  3 10:26:18 2022] [ 3475]     0  3475    27526      194
9        0             0 agetty
[Don Feb  3 10:26:18 2022] [ 3573]     0  3573    35460    13602
57        0          -999 kube-proxy
[Don Feb  3 10:26:18 2022] [ 3574]     0  3574    28216      500
58        0         -1000 sshd
[Don Feb  3 10:26:18 2022] [ 3575]     0  3575   143480     3611
97        0             0 tuned
[Don Feb  3 10:26:18 2022] [ 3584]     0  3584   203847     5774
65        0             0 flanneld
[Don Feb  3 10:26:18 2022] [ 3586]   997  3586    19819      281
38        0             0 zabbix_agentd
[Don Feb  3 10:26:18 2022] [ 3587]   997  3587    19819      427
38        0             0 zabbix_agentd
[Don Feb  3 10:26:18 2022] [ 3588]   997  3588    19849      444
39        0             0 zabbix_agentd
[Don Feb  3 10:26:18 2022] [ 3589]   997  3589    19849      436
39        0             0 zabbix_agentd
[Don Feb  3 10:26:18 2022] [ 3591]   997  3591    19849      426
39        0             0 zabbix_agentd
[Don Feb  3 10:26:18 2022] [ 3592]   997  3592    19916      473
39        0             0 zabbix_agentd
[Don Feb  3 10:26:18 2022] [ 3604]     0  3604   267029    99685
392        0             0 rsyslogd
[Don Feb  3 10:26:18 2022] [ 3728]     0  3728    30746      312
56        0             0 keepalived
[Don Feb  3 10:26:18 2022] [ 3730]     0  3730    31796      502
60        0             0 keepalived
[Don Feb  3 10:26:18 2022] [ 3731]     0  3731    32570     1228
62        0             0 keepalived
[Don Feb  3 10:26:18 2022] [ 3902]     0  3902    22934      426
43        0             0 master
[Don Feb  3 10:26:18 2022] [ 3935]    89  3935    25545      494
47        0             0 qmgr
[Don Feb  3 10:26:18 2022] [ 4107]     0  4107   853912    46862
275        0          -999 dockerd
[Don Feb  3 10:26:18 2022] [ 4146]     0  4146  1420875    15073
300        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 6423]     0  6423   750261    68814
372        0          -999 kubelet
[Don Feb  3 10:26:18 2022] [16445]     0 16445     1872      262
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [16464]  1001 16464      667       72
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [ 1404]    38  1404    10548      355
22        0             0 ntpd
[Don Feb  3 10:26:18 2022] [13704]     0 13704   300089     9863
136        0             0 filebeat
[Don Feb  3 10:26:18 2022] [29615]     0 29615     2224      411
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [29780]     0 29780    35813     4433
33        0           999 coredns
[Don Feb  3 10:26:18 2022] [ 2062]     0  2062     1936      234
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 2092]  1001  2092      667       72
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [ 2313]     0  2313     1872      215
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 2332]  1001  2332      667       71
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [ 2479]     0  2479     1872      220
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 2498]     0  2498     5510     2219
14        0           989 java_bootstrap
[Don Feb  3 10:26:18 2022] [ 2600]     0  2600  1340116    88706
278        0           989 java
[Don Feb  3 10:26:18 2022] [ 2660]     0  2660     1872      244
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 2681]  1001  2681      667       72
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [ 2801]     0  2801     2224      239
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 2826]  1001  2826      667       72
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [ 2925]     0  2925     2224      228
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 2952]  1001  2952      667       71
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [ 3060]     0  3060     1888      192
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 3080]  1001  3080      667       71
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [ 3362]     0  3362     2224      246
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 3395]     0  3395     2719      267
10        0           999 nginx
[Don Feb  3 10:26:18 2022] [ 3571]     0  3571     1888      196
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 3613]     0  3613     5510     2220
14        0           989 java_bootstrap
[Don Feb  3 10:26:18 2022] [ 3644]     0  3644     2830      404
9        0           999 nginx
[Don Feb  3 10:26:18 2022] [ 3670]     0  3670  1189835    93385
272        0           989 java
[Don Feb  3 10:26:18 2022] [ 3753]     0  3753     1872      251
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 3789]  1001  3789      667       75
7        0          -998 pod
[Don Feb  3 10:26:18 2022] [ 3904]     0  3904     2240      225
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 3923]  1001  3923      667       70
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [ 4253]     0  4253     1888      228
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 4272]     0  4272     5510     2218
14        0           961 java_bootstrap
[Don Feb  3 10:26:18 2022] [ 4383]     0  4383  1413025   146345
394        0           961 java
[Don Feb  3 10:26:18 2022] [ 4417]     0  4417     2240      262
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 4438]     0  4438     2719      267
9        0           993 nginx
[Don Feb  3 10:26:18 2022] [ 4524]     0  4524     1872      251
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 4547]     0  4547     2716      269
9        0           993 nginx
[Don Feb  3 10:26:18 2022] [ 4579]     0  4579     2830      383
9        0           993 nginx
[Don Feb  3 10:26:18 2022] [ 4649]     0  4649     1872      243
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 4672]     0  4672     2830      383
8        0           993 nginx
[Don Feb  3 10:26:18 2022] [ 4692]     0  4692     2716      270
9        0           999 nginx
[Don Feb  3 10:26:18 2022] [ 4882]     0  4882     1888      249
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 4904]     0  4904     5510     2220
14        0           967 java_bootstrap
[Don Feb  3 10:26:18 2022] [ 4914]     0  4914     2863      417
9        0           999 nginx
[Don Feb  3 10:26:18 2022] [ 4938]     0  4938  1688100   370101
856        0           967 java
[Don Feb  3 10:26:18 2022] [ 5130]     0  5130  1657107   217119
568        0           961 java
[Don Feb  3 10:26:18 2022] [ 5181]     0  5181  1727641   447718
1062        0           967 java
[Don Feb  3 10:26:18 2022] [23299]     0 23299     1888      229
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [23318]  1001 23318      667       76
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [23409]     0 23409     1872      227
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [23429]     0 23429     5508     2211
14        0           989 java_bootstrap
[Don Feb  3 10:26:18 2022] [23469]     0 23469  1156551    87062
263        0           989 java
[Don Feb  3 10:26:18 2022] [23576]     0 23576     1872      229
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [23611]  1001 23611      667       75
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [23717]     0 23717     1872      213
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [23737]  1001 23737      667       72
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [23855]     0 23855     1888      250
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [23878]     0 23878     2716      264
9        0           993 nginx
[Don Feb  3 10:26:18 2022] [23947]     0 23947     2826      371
9        0           993 nginx
[Don Feb  3 10:26:18 2022] [23959]     0 23959     1872      221
10        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [23979]     0 23979     5508     2210
14        0           923 java_bootstrap
[Don Feb  3 10:26:18 2022] [24022]     0 24022  1687586   326834
782        0           923 java
[Don Feb  3 10:26:18 2022] [24102]     0 24102     1872      222
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [24122]  1001 24122      667       71
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [24216]     0 24216     1888      226
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [24235]     0 24235     2717      264
9        0           993 nginx
[Don Feb  3 10:26:18 2022] [24264]     0 24264     2826      372
8        0           993 nginx
[Don Feb  3 10:26:18 2022] [24351]     0 24351  2619741   357131
859        0           923 java
[Don Feb  3 10:26:18 2022] [ 8434]     0  8434     1888      235
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 8452]  1001  8452      667       72
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [ 8609]     0  8609     1936      234
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [ 8628]     0  8628     5631     2354
16        0           906 java_bootstrap
[Don Feb  3 10:26:18 2022] [ 8670]     0  8670  3406142  1945540
3955        0           906 java
[Don Feb  3 10:26:18 2022] [10200]     0 10200     2224      202
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [10227]  1001 10227      667       71
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [10371]     0 10371     2224      220
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [10391]  1001 10391      667       72
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [10601]     0 10601     1936      229
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [10627]     0 10627     5631     2354
14        0           993 java_bootstrap
[Don Feb  3 10:26:18 2022] [10681]     0 10681  1458786   143558
401        0           993 java
[Don Feb  3 10:26:18 2022] [10820]     0 10820     1872      227
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [10850]  1001 10850      667       73
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [10933]     0 10933     1936      221
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [10952]     0 10952     5632     2354
14        0           989 java_bootstrap
[Don Feb  3 10:26:18 2022] [11003]     0 11003  1173227    93422
275        0           989 java
[Don Feb  3 10:26:18 2022] [11159]     0 11159     1888      220
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [11182]     0 11182     5632     2355
15        0           993 java_bootstrap
[Don Feb  3 10:26:18 2022] [11273]     0 11273  1417988   126907
376        0           993 java
[Don Feb  3 10:26:18 2022] [11301]     0 11301     1872      229
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [11330]  1001 11330      667       74
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [11412]     0 11412     1888      227
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [11433]  1001 11433      667       71
7        0          -998 pod
[Don Feb  3 10:26:18 2022] [11698]     0 11698     1872      231
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [11716]     0 11716     5632     2355
14        0           997 java_bootstrap
[Don Feb  3 10:26:18 2022] [11782]     0 11782  1163544   115567
329        0           997 java
[Don Feb  3 10:26:18 2022] [11960]     0 11960     1872      223
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [11983]     0 11983     5632     2354
14        0           996 java_bootstrap
[Don Feb  3 10:26:18 2022] [12055]     0 12055   982558    95682
274        0           996 java
[Don Feb  3 10:26:18 2022] [12070]     0 12070     1888      231
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [12094]  1001 12094      667       70
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [12456]     0 12456     2224      229
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [12479]     0 12479     5631     2353
14        0           987 java_bootstrap
[Don Feb  3 10:26:18 2022] [12535]     0 12535  1095784    98525
282        0           987 java
[Don Feb  3 10:26:18 2022] [13439]     0 13439     1888      245
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [13456]  1001 13456      667       71
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [13726]     0 13726     1872      216
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [13749]     0 13749     5631     2354
15        0           993 java_bootstrap
[Don Feb  3 10:26:18 2022] [13784]     0 13784  1091829   130305
345        0           993 java
[Don Feb  3 10:26:18 2022] [13929]     0 13929     2224      221
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [13950]  1001 13950      667       72
7        0          -998 pod
[Don Feb  3 10:26:18 2022] [14213]     0 14213     1872      237
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [14236]     0 14236     5631     2354
14        0           948 java_bootstrap
[Don Feb  3 10:26:18 2022] [14369]     0 14369  2654883   860559
2129        0           948 java
[Don Feb  3 10:26:18 2022] [14709]     0 14709     1888      222
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [14729]  1001 14729      667       72
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [15009]     0 15009     2240      237
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [15028]     0 15028     5632     2355
14        0           923 java_bootstrap
[Don Feb  3 10:26:18 2022] [15058]     0 15058  3174893  1410674
2957        0           923 java
[Don Feb  3 10:26:18 2022] [11209]     0 11209     2304      227
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [11228]  1001 11228      667       71
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [11358]     0 11358     1888      221
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [11379]     0 11379     5510     2218
13        0           987 java_bootstrap
[Don Feb  3 10:26:18 2022] [11447]     0 11447  1489370   162709
439        0           987 java
[Don Feb  3 10:26:18 2022] [19435]     0 19435     2224      233
10        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [19454]  1001 19454      667       71
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [19571]     0 19571     1952      215
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [19589]     0 19589     5513     2227
14        0           993 java_bootstrap
[Don Feb  3 10:26:18 2022] [19677]     0 19677     2240      242
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [19694]     0 19694  1117148   104436
288        0           993 java
[Don Feb  3 10:26:18 2022] [19698]  1001 19698     1083       71
8        0          -998 pod
[Don Feb  3 10:26:18 2022] [19832]     0 19832     1872      223
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [19851]     0 19851     5512     2228
14        0           974 java_bootstrap
[Don Feb  3 10:26:18 2022] [19907]     0 19907  1481942   157796
393        0           974 java
[Don Feb  3 10:26:18 2022] [20122]     0 20122     1872      247
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [20145]  1001 20145      667       72
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [20458]     0 20458     2224      216
9        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [20480]     0 20480     5512     2228
14        0           993 java_bootstrap
[Don Feb  3 10:26:18 2022] [20516]     0 20516  1100754   101849
284        0           993 java
[Don Feb  3 10:26:18 2022] [17440]     0 17440     1952      230
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [17459]  1001 17459      667       72
6        0          -998 pod
[Don Feb  3 10:26:18 2022] [17627]     0 17627     1872      240
8        0          -999 docker-containe
[Don Feb  3 10:26:18 2022] [17645]     0 17645     5631     2354
14        0           745 java_bootstrap
[Don Feb  3 10:26:18 2022] [17708]     0 17708  7009676  2566642
5332        0           745 java
[Don Feb  3 10:26:18 2022] [16892]    89 16892    25501      502
48        0             0 pickup
[Don Feb  3 10:26:18 2022] [30881]     0 30881      645       26
5        0           967 getent
[Don Feb  3 10:26:18 2022] [30928]     0 30928      645       27
5        0           923 getent
[Don Feb  3 10:26:18 2022] [31198]     0 31198    43821      642
83        0             0 sshd
[Don Feb  3 10:26:18 2022] [31214]     0 31214      645       24
5        0           961 getent
[Don Feb  3 10:26:18 2022] [31263]     0 31263    43821      626
84        0             0 sshd
[Don Feb  3 10:26:18 2022] [31286]     0 31286    28892      277
13        0             0 bash
[Don Feb  3 10:26:18 2022] [31358]     0 31358    64395      578
76        0             0 sudo
[Don Feb  3 10:26:18 2022] [31398]     0 31398    31431     1216
18        0             0 htop
[Don Feb  3 10:26:18 2022] [31401]     0 31401    27660      321
55        0             0 sshd
[Don Feb  3 10:26:18 2022] [31406]     0 31406    38752     1567
32        0             0 lvm.py
[Don Feb  3 10:26:18 2022] [31418]     0 31418    28825      227
14        0             0 bash
[Don Feb  3 10:26:18 2022] [31428]     0 31428    32570     1049
59        0             0 keepalived
[Don Feb  3 10:26:18 2022] [31430]     0 31430    18729      243
38        0             0 curl
[Don Feb  3 10:26:18 2022] [31431]     0 31431    32570     1049
59        0             0 keepalived
[Don Feb  3 10:26:18 2022] Out of memory: Kill process 11782 (java)
score 1002 or sacrifice child
[Don Feb  3 10:26:18 2022] Killed process 11782 (java)
total-vm:4654176kB, anon-rss:462268kB, file-rss:0kB, shmem-rss:0kB

Kind Regards,
Sasa Vilic



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