基本原因是因为内存不足导致。
一开始是因为php-fpm 进程开太多导致较为频繁的BPS突增（IOPS突增），减少之后稳定运行了十几个小时，然后又出问题了，有如下日志：
Jan 28 07:23:57 ubuntu systemd[1]: Starting Daily apt download activities...
Jan 28 07:23:58 ubuntu systemd[1]: Starting Update APT News...
Jan 28 07:23:58 ubuntu systemd[1]: Starting Update the local ESM caches...
Jan 28 07:23:58 ubuntu systemd[1]: apt-news.service: Deactivated successfully.
Jan 28 07:23:58 ubuntu systemd[1]: Finished Update APT News.
Jan 28 07:24:02 ubuntu systemd[1]: esm-cache.service: Deactivated successfully.
Jan 28 07:24:02 ubuntu systemd[1]: Finished Update the local ESM caches.
怀疑是 apt 自动更新引起
oom日志：
Jan 28 07:54:46 ubuntu kernel: [67404.691239] Tasks state (memory values in pages):
Jan 28 07:54:46 ubuntu kernel: [67404.691239] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name
Jan 28 07:54:46 ubuntu kernel: [67404.691248] [ 377] 0 377 9984 936 110592 0 -250 systemd-journal
Jan 28 07:54:46 ubuntu kernel: [67404.691253] [ 420] 0 420 72328 6774 114688 0 -1000 multipathd
Jan 28 07:54:46 ubuntu kernel: [67404.691256] [ 421] 0 421 3132 1180 69632 0 -1000 systemd-udevd
Jan 28 07:54:46 ubuntu kernel: [67404.691259] [ 705] 101 705 4064 843 69632 0 0 systemd-network
Jan 28 07:54:46 ubuntu kernel: [67404.691262] [ 707] 102 707 6384 1774 81920 0 0 systemd-resolve
Jan 28 07:54:46 ubuntu kernel: [67404.691264] [ 721] 0 721 4856 229 65536 0 0 assist_daemon
Jan 28 07:54:46 ubuntu kernel: [67404.691266] [ 723] 0 723 172438 977 86016 0 0 aliyun-service
Jan 28 07:54:46 ubuntu kernel: [67404.691268] [ 731] 0 731 1724 516 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691270] [ 732] 103 732 2193 683 57344 0 -900 dbus-daemon
Jan 28 07:54:46 ubuntu kernel: [67404.691273] [ 735] 0 735 697 374 53248 0 0 atopacctd
Jan 28 07:54:46 ubuntu kernel: [67404.691276] [ 750] 0 750 8210 3037 94208 0 0 networkd-dispat
Jan 28 07:54:46 ubuntu kernel: [67404.691279] [ 752] 0 752 58625 482 86016 0 0 polkitd
Jan 28 07:54:46 ubuntu kernel: [67404.691281] [ 756] 107 756 55601 723 77824 0 0 rsyslogd
Jan 28 07:54:46 ubuntu kernel: [67404.691284] [ 765] 0 765 329802 2444 233472 0 -900 snapd
Jan 28 07:54:46 ubuntu kernel: [67404.691287] [ 777] 0 777 3873 880 65536 0 0 systemd-logind
Jan 28 07:54:46 ubuntu kernel: [67404.691289] [ 783] 0 783 65342 3777 135168 0 0 tuned
Jan 28 07:54:46 ubuntu kernel: [67404.691291] [ 784] 0 784 98117 904 131072 0 0 udisksd
Jan 28 07:54:46 ubuntu kernel: [67404.691293] [ 785] 0 785 966 275 49152 0 0 atd
Jan 28 07:54:46 ubuntu kernel: [67404.691295] [ 786] 0 786 339209 3457 294912 0 -999 containerd
Jan 28 07:54:46 ubuntu kernel: [67404.691297] [ 835] 114 835 4732 733 61440 0 0 chronyd
Jan 28 07:54:46 ubuntu kernel: [67404.691298] [ 849] 0 849 1450 164 53248 0 0 agetty
Jan 28 07:54:46 ubuntu kernel: [67404.691300] [ 868] 114 868 2650 139 61440 0 0 chronyd
Jan 28 07:54:46 ubuntu kernel: [67404.691302] [ 896] 0 896 1544 212 49152 0 0 agetty
Jan 28 07:54:46 ubuntu kernel: [67404.691303] [ 903] 0 903 10596 223 90112 0 0 AliYunDunUpdate
Jan 28 07:54:46 ubuntu kernel: [67404.691305] [ 953] 0 953 27435 2844 114688 0 0 unattended-upgr
Jan 28 07:54:46 ubuntu kernel: [67404.691307] [ 956] 0 956 61058 554 102400 0 0 ModemManager
Jan 28 07:54:46 ubuntu kernel: [67404.691309] [ 957] 0 957 3858 1060 69632 0 -1000 sshd
Jan 28 07:54:46 ubuntu kernel: [67404.691310] [ 1019] 0 1019 23507 518 266240 0 0 AliYunDun
Jan 28 07:54:46 ubuntu kernel: [67404.691312] [ 1043] 0 1043 35212 4380 335872 0 0 AliYunDunMonito
Jan 28 07:54:46 ubuntu kernel: [67404.691315] [ 1075] 0 1075 610419 8020 483328 0 -500 dockerd
Jan 28 07:54:46 ubuntu kernel: [67404.691317] [ 1401] 0 1401 180082 689 110592 0 -998 containerd-shim
Jan 28 07:54:46 ubuntu kernel: [67404.691319] [ 1426] 0 1426 454996 535 188416 0 -500 docker-proxy
Jan 28 07:54:46 ubuntu kernel: [67404.691321] [ 1434] 0 1434 399537 312 131072 0 -500 docker-proxy
Jan 28 07:54:46 ubuntu kernel: [67404.691322] [ 1435] 0 1435 592 17 40960 0 0 dumb-init
Jan 28 07:54:46 ubuntu kernel: [67404.691325] [ 1498] 0 1498 180018 693 114688 0 -998 containerd-shim
Jan 28 07:54:46 ubuntu kernel: [67404.691326] [ 1530] 999 1530 438449 147343 1572864 0 0 mysqld
Jan 28 07:54:46 ubuntu kernel: [67404.691328] [ 1554] 0 1554 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691330] [ 2981] 0 2981 417970 164 147456 0 -500 docker-proxy
Jan 28 07:54:46 ubuntu kernel: [67404.691332] [ 2989] 0 2989 418034 432 147456 0 -500 docker-proxy
Jan 28 07:54:46 ubuntu kernel: [67404.691334] [ 3010] 0 3010 180082 707 106496 0 -998 containerd-shim
Jan 28 07:54:46 ubuntu kernel: [67404.691336] [ 3032] 0 3032 592 17 45056 0 0 dumb-init
Jan 28 07:54:46 ubuntu kernel: [67404.691338] [ 3061] 0 3061 13873 414 98304 0 0 nginx
Jan 28 07:54:46 ubuntu kernel: [67404.691340] [ 3178] 0 3178 62812 1355 151552 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691341] [ 3179] 33 3179 68685 22257 331776 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691343] [ 3180] 33 3180 68685 22615 331776 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691345] [ 3181] 33 3181 68676 22112 331776 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691348] [ 3182] 33 3182 68769 22928 331776 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691349] [ 3183] 33 3183 68756 22658 335872 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691351] [ 3184] 33 3184 68684 21680 331776 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691353] [ 3185] 33 3185 68675 23880 339968 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691355] [ 3186] 33 3186 20657 7221 147456 0 0 nginx
Jan 28 07:54:46 ubuntu kernel: [67404.691356] [ 3187] 33 3187 20657 7205 147456 0 0 nginx
Jan 28 07:54:46 ubuntu kernel: [67404.691358] [ 26798] 0 26798 4266 1072 73728 0 0 systemd
Jan 28 07:54:46 ubuntu kernel: [67404.691360] [ 26799] 0 26799 42452 1063 98304 0 0 (sd-pam)
Jan 28 07:54:46 ubuntu kernel: [67404.691363] [ 26958] 0 26958 1962 595 53248 0 0 screen
Jan 28 07:54:46 ubuntu kernel: [67404.691366] [ 26959] 0 26959 1909 461 49152 0 0 bash
Jan 28 07:54:46 ubuntu kernel: [67404.691368] [ 31512] 0 31512 73894 759 163840 0 0 packagekitd
Jan 28 07:54:46 ubuntu kernel: [67404.691371] [ 38255] 0 38255 3036 3029 61440 0 -1000 atop
Jan 28 07:54:46 ubuntu kernel: [67404.691374] [ 63847] 0 63847 1108 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691377] [ 63854] 0 63854 654 17 45056 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691379] [ 63868] 0 63868 1253 83 49152 0 0 sudo
Jan 28 07:54:46 ubuntu kernel: [67404.691382] [ 63875] 33 63875 38154 17803 282624 0 0 php
Jan 28 07:54:46 ubuntu kernel: [67404.691385] [ 64180] 0 64180 723 219 49152 0 0 apt.systemd.dai
Jan 28 07:54:46 ubuntu kernel: [67404.691387] [ 64184] 0 64184 723 430 45056 0 0 apt.systemd.dai
Jan 28 07:54:46 ubuntu kernel: [67404.691389] [ 64213] 0 64213 4586 1797 69632 0 0 apt-get
Jan 28 07:54:46 ubuntu kernel: [67404.691391] [ 64470] 0 64470 4586 1063 69632 0 0 apt-get
Jan 28 07:54:46 ubuntu kernel: [67404.691393] [ 64484] 0 64484 723 223 40960 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691395] [ 64485] 0 64485 723 434 49152 0 0 update-motd-upd
Jan 28 07:54:46 ubuntu kernel: [67404.691397] [ 64499] 0 64499 45260 21926 356352 0 0 apt-check
Jan 28 07:54:46 ubuntu kernel: [67404.691399] [ 64553] 0 64553 1108 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691401] [ 64554] 0 64554 1108 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691402] [ 64555] 0 64555 1108 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691404] [ 64556] 0 64556 1108 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691405] [ 64557] 0 64557 1108 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691407] [ 64558] 0 64558 1108 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691409] [ 64559] 0 64559 1108 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691411] [ 64560] 0 64560 1108 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691412] [ 64561] 0 64561 1108 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691414] [ 64569] 0 64569 654 16 45056 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691416] [ 64570] 0 64570 654 18 45056 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691417] [ 64571] 0 64571 654 17 45056 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691419] [ 64572] 0 64572 654 18 49152 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691420] [ 64573] 0 64573 654 17 40960 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691422] [ 64574] 0 64574 654 17 45056 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691424] [ 64575] 0 64575 654 18 40960 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691426] [ 64576] 0 64576 654 17 40960 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691427] [ 64577] 0 64577 654 17 40960 0 0 sh
Jan 28 07:54:46 ubuntu kernel: [67404.691429] [ 64578] 0 64578 1253 83 49152 0 0 sudo
Jan 28 07:54:46 ubuntu kernel: [67404.691431] [ 64579] 0 64579 1253 82 45056 0 0 sudo
Jan 28 07:54:46 ubuntu kernel: [67404.691433] [ 64580] 0 64580 1253 82 45056 0 0 sudo
Jan 28 07:54:46 ubuntu kernel: [67404.691434] [ 64581] 0 64581 1253 82 53248 0 0 sudo
Jan 28 07:54:46 ubuntu kernel: [67404.691436] [ 64584] 0 64584 1253 83 53248 0 0 sudo
Jan 28 07:54:46 ubuntu kernel: [67404.691437] [ 64585] 0 64585 1253 83 45056 0 0 sudo
Jan 28 07:54:46 ubuntu kernel: [67404.691439] [ 64586] 0 64586 1253 83 53248 0 0 sudo
Jan 28 07:54:46 ubuntu kernel: [67404.691441] [ 64587] 0 64587 1253 83 49152 0 0 sudo
Jan 28 07:54:46 ubuntu kernel: [67404.691443] [ 64589] 0 64589 1253 82 45056 0 0 sudo
Jan 28 07:54:46 ubuntu kernel: [67404.691444] [ 64602] 33 64602 30454 10268 221184 0 0 php
Jan 28 07:54:46 ubuntu kernel: [67404.691446] [ 64603] 33 64603 30454 10267 229376 0 0 php
Jan 28 07:54:46 ubuntu kernel: [67404.691448] [ 64604] 33 64604 30454 10268 221184 0 0 php
Jan 28 07:54:46 ubuntu kernel: [67404.691450] [ 64605] 33 64605 30454 10268 221184 0 0 php
Jan 28 07:54:46 ubuntu kernel: [67404.691451] [ 64608] 33 64608 30454 10268 229376 0 0 php
Jan 28 07:54:46 ubuntu kernel: [67404.691453] [ 64609] 33 64609 30454 10268 225280 0 0 php
Jan 28 07:54:46 ubuntu kernel: [67404.691455] [ 64610] 33 64610 30454 10267 225280 0 0 php
Jan 28 07:54:46 ubuntu kernel: [67404.691457] [ 64611] 33 64611 30454 10268 233472 0 0 php
Jan 28 07:54:46 ubuntu kernel: [67404.691458] [ 64612] 33 64612 30454 10268 221184 0 0 php
Jan 28 07:54:46 ubuntu kernel: [67404.691460] [ 64646] 0 64646 3658 310 61440 0 0 sshd
Jan 28 07:54:46 ubuntu kernel: [67404.691462] [ 64648] 0 64648 2550 610 57344 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691463] [ 64649] 0 64649 1100 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691465] [ 64650] 0 64650 1100 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691467] [ 64651] 0 64651 1100 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691469] [ 64652] 0 64652 1100 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691471] [ 64653] 0 64653 1100 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691472] [ 64654] 0 64654 1100 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691474] [ 64655] 0 64655 1100 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691476] [ 64656] 0 64656 1100 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691477] [ 64657] 0 64657 1100 83 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691479] [ 64659] 0 64659 1095 80 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691480] [ 64660] 0 64660 1095 80 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691482] [ 64661] 0 64661 1095 80 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691484] [ 64662] 0 64662 1095 80 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691485] [ 64663] 0 64663 1095 80 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691487] [ 64664] 0 64664 1095 80 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691488] [ 64665] 0 64665 1095 80 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691490] [ 64666] 0 64666 1095 80 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691491] [ 64667] 0 64667 1095 80 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691493] [ 64670] 0 64670 3658 317 57344 0 0 sshd
Jan 28 07:54:46 ubuntu kernel: [67404.691495] [ 64673] 0 64673 3658 335 57344 0 0 sshd
Jan 28 07:54:46 ubuntu kernel: [67404.691496] [ 64675] 0 64675 1089 77 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691498] [ 64676] 0 64676 1089 77 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691500] [ 64677] 0 64677 1089 77 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691501] [ 64678] 0 64678 1089 77 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691503] [ 64679] 0 64679 1089 77 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691504] [ 64680] 0 64680 1089 77 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691506] [ 64681] 0 64681 1078 70 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691508] [ 64682] 0 64682 1089 77 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691510] [ 64683] 0 64683 1089 77 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691511] [ 64685] 0 64685 3658 349 61440 0 0 sshd
Jan 28 07:54:46 ubuntu kernel: [67404.691513] [ 64686] 0 64686 1049 68 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691515] [ 64687] 0 64687 1049 68 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691517] [ 64688] 0 64688 1049 68 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691518] [ 64689] 0 64689 1049 68 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691520] [ 64690] 0 64690 1049 67 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691521] [ 64691] 0 64691 1049 68 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691523] [ 64692] 0 64692 1078 70 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691525] [ 64693] 0 64693 1049 67 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691526] [ 64694] 0 64694 1049 68 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691528] [ 64699] 0 64699 990 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691529] [ 64700] 0 64700 1049 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691531] [ 64701] 0 64701 3658 298 61440 0 0 sshd
Jan 28 07:54:46 ubuntu kernel: [67404.691532] [ 64702] 0 64702 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691534] [ 64703] 0 64703 990 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691536] [ 64704] 0 64704 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691537] [ 64705] 0 64705 1049 67 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691539] [ 64706] 0 64706 1049 68 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691541] [ 64707] 0 64707 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691542] [ 64708] 0 64708 1078 70 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691544] [ 64709] 0 64709 990 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691546] [ 64710] 0 64710 1049 67 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691548] [ 64711] 0 64711 1049 68 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691549] [ 64712] 0 64712 1049 68 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691550] [ 64713] 0 64713 1049 68 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691552] [ 64714] 0 64714 2270 507 53248 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691553] [ 64715] 0 64715 1049 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691555] [ 64716] 0 64716 1078 69 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691557] [ 64717] 0 64717 990 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691559] [ 64718] 0 64718 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691560] [ 64719] 0 64719 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691562] [ 64720] 0 64720 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691564] [ 64721] 0 64721 990 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691565] [ 64722] 0 64722 1078 70 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691567] [ 64723] 0 64723 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691568] [ 64724] 0 64724 986 65 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691570] [ 64725] 0 64725 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691572] [ 64726] 0 64726 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691573] [ 64727] 0 64727 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691575] [ 64728] 0 64728 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691576] [ 64729] 0 64729 986 65 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691578] [ 64730] 0 64730 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691580] [ 64731] 0 64731 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691581] [ 64732] 0 64732 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691583] [ 64733] 0 64733 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691584] [ 64734] 0 64734 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691586] [ 64735] 0 64735 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691588] [ 64736] 0 64736 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691589] [ 64737] 0 64737 2270 478 53248 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691591] [ 64738] 0 64738 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691593] [ 64739] 0 64739 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691594] [ 64740] 0 64740 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691596] [ 64741] 0 64741 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691598] [ 64743] 0 64743 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691600] [ 64745] 0 64745 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691602] [ 64746] 0 64746 990 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691603] [ 64747] 0 64747 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691605] [ 64748] 0 64748 986 65 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691607] [ 64749] 0 64749 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691608] [ 64750] 0 64750 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691610] [ 64751] 0 64751 986 65 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691611] [ 64752] 0 64752 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691613] [ 64754] 0 64754 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691614] [ 64755] 0 64755 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691616] [ 64756] 0 64756 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691617] [ 64757] 0 64757 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691619] [ 64758] 0 64758 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691621] [ 64760] 0 64760 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691622] [ 64761] 0 64761 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691624] [ 64762] 0 64762 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691625] [ 64763] 0 64763 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691627] [ 64764] 0 64764 986 66 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691629] [ 64765] 0 64765 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691630] [ 64766] 0 64766 986 65 49152 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691632] [ 64767] 0 64767 986 66 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691634] [ 64768] 0 64768 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691635] [ 64769] 33 64769 62812 1352 151552 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691637] [ 64773] 0 64773 3658 201 53248 0 0 sshd
Jan 28 07:54:46 ubuntu kernel: [67404.691639] [ 64775] 0 64775 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691641] [ 64776] 0 64776 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691643] [ 64777] 0 64777 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691645] [ 64779] 0 64779 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691646] [ 64780] 0 64780 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691647] [ 64781] 0 64781 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691649] [ 64782] 0 64782 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691651] [ 64783] 0 64783 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691652] [ 64784] 0 64784 2270 414 53248 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691654] [ 64785] 0 64785 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691655] [ 64786] 33 64786 62812 1352 151552 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691657] [ 64787] 0 64787 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691659] [ 64788] 0 64788 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691661] [ 64789] 0 64789 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691662] [ 64790] 0 64790 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691664] [ 64791] 33 64791 62812 1352 151552 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691666] [ 64792] 0 64792 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691667] [ 64793] 0 64793 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691669] [ 64794] 0 64794 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691671] [ 64795] 0 64795 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691672] [ 64796] 0 64796 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691674] [ 64797] 0 64797 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691676] [ 64798] 0 64798 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691679] [ 64799] 0 64799 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691682] [ 64800] 0 64800 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691684] [ 64801] 0 64801 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691687] [ 64802] 0 64802 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691689] [ 64803] 0 64803 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691691] [ 64804] 0 64804 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691692] [ 64805] 0 64805 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691694] [ 64806] 0 64806 957 65 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691696] [ 64807] 0 64807 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691698] [ 64808] 0 64808 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691699] [ 64809] 0 64809 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691701] [ 64810] 0 64810 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691702] [ 64811] 0 64811 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691704] [ 64812] 0 64812 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691705] [ 64813] 0 64813 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691707] [ 64814] 0 64814 2716 150 49152 0 0 sshd
Jan 28 07:54:46 ubuntu kernel: [67404.691708] [ 64815] 0 64815 62812 1353 151552 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691710] [ 64816] 0 64816 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691712] [ 64818] 0 64818 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691713] [ 64819] 0 64819 62812 1353 151552 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691715] [ 64820] 0 64820 62812 1353 151552 0 0 php-fpm7.4
Jan 28 07:54:46 ubuntu kernel: [67404.691716] [ 64821] 0 64821 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691718] [ 64822] 0 64822 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691719] [ 64823] 0 64823 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691721] [ 64824] 0 64824 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691723] [ 64826] 0 64826 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691724] [ 64827] 0 64827 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691726] [ 64828] 0 64828 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691727] [ 64829] 0 64829 957 64 45056 0 0 cron
Jan 28 07:54:46 ubuntu kernel: [67404.691728] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=init.scope,mems_allowed=0,global_oom,task_memcg=/system.slice/docker-f1b9d049f31e7d6eb66d2cb6e5413028060be77b7f5335dea381b5feaee1a071.scope,task=mysqld,pid=1530,uid=999
Jan 28 07:54:46 ubuntu kernel: [67404.691790] Out of memory: Killed process 1530 (mysqld) total-vm:1753796kB, anon-rss:589372kB, file-rss:0kB, shmem-rss:0kB, UID:999 pgtables:1536kB oom_score_adj:0
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苏公网安备 32050902101535号 )
发表于 2024-1-28 09:57:36