Created attachment 285937 [details] few command O/p may be Bug 40402 could relate to my problem That's for old kernel. We are in process of upgrading Server dfrom CentOS 6 to 7 . And decided to go with # cat /etc/redhat-release CentOS Linux release 7.4.1708 (Core) # uname -a Linux ki205-283 3.10.0-957.10.1.el7.x86_64 #1 SMP Mon Mar 18 15:06:45 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux tested on Hardware : Manufacturer: Dell Inc. Product Name: PowerEdge C6420 Attaching few details in the attachment if that could help
Created attachment 285939 [details] /proc/sys/vm and kernel tar
I continuously running a check which result in below o/p I recieved another OOM 30 min before still my swap is 100% full. ******************************************** ============= Messages Logs ================ Nov 15 15:38:56 XXXXXXXX kernel: [1812954.358554] wrapper invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0 Nov 15 15:38:56 XXXXXXXX kernel: wrapper invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0 ============= ls -l /root/httpcore ================ total 0 ============= sysctl parametter ================ vm.overcommit_ratio = 80 vm.panic_on_oom = 0 kernel.panic = 0 vm.vfs_cache_pressure = 700 vm.swappiness = 10 ============= Corelimit ================ core core file size (blocks, -c) unlimited ============= Committed memory ================ CommitLimit: 161229308 kB Committed_AS: 137328600 kB ============= free o/p in MB ================ total used free shared buff/cache available Mem: 191693 81088 107602 627 3001 108808 Swap: 4095 4088 7 ============= httpd COunt ================ 188 1505 12027 ============= Serverhealth ================ ====================================================== SYSTEM INFO ====================================================== HOSTNAME : XXXXXXXX LINUX_FLAVOUR : CentOS Linux release 7.4.1708 (Core) KERNEL_VERSION : 3.10.0 SYSTEM_MANUFACTURER : Dell Inc. BIOS_VERSION : 2.1.6 TOTAL_N_CORE_COUNT : 24 UPTIME : 21 days, 1:01 PUPPETENV : RT_325449 ====================================================== SYSTEM STATS ====================================================== LOAD_AVG : 20.82 20.57 20.91 25/1131 32440 LOAD_AVG_PCT : 87.0 MemTotal : 196293764 MemUsed_pct : 44.0 SwapTotal : 4194300 SwapUsed_pct : 100.0 ====================================================== SYSTEM Network STATS ====================================================== TCP_inuse : 38251 TCP_orphan : 0 UDP_inuse : 13 UDP_mem : 4 ******************************************** After 30 min [15:53:43] ki210-284:~# free -m total used free shared buff/cache available Mem: 191693 88811 99252 629 3629 101086 Swap: 4095 4085 10