---> uname -a: Linux prd-centos7-docker-4c-2g-3053.vexxhost.local 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.442 BogoMIPS: 5866.88 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 4096K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 887M 0 887M 0% /dev tmpfs 919M 0 919M 0% /dev/shm tmpfs 919M 17M 903M 2% /run tmpfs 919M 0 919M 0% /sys/fs/cgroup /dev/vda1 50G 7.8G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 583 75 16 1178 1054 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP group default qlen 1000 link/ether fa:16:3e:b9:3e:22 brd ff:ff:ff:ff:ff:ff inet 10.30.123.14/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:feb9:3e22/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:14:f5:7c:19 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:14ff:fef5:7c19/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/02/2020 _x86_64_ (4 CPU) 05:00:45 PM LINUX RESTART 05:02:01 PM tps rtps wtps bread/s bwrtn/s 05:03:01 PM 124.79 65.02 59.76 9541.27 9301.60 05:04:01 PM 92.39 33.68 58.71 3056.17 7473.46 05:05:01 PM 96.82 20.08 76.74 837.30 8741.28 Average: 104.67 39.59 65.07 4478.45 8505.43 05:02:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:03:01 PM 119876 1761680 93.63 2620 1137392 1125260 38.40 632264 920136 52 05:04:01 PM 64084 1817472 96.59 2596 1145888 1146840 39.14 707472 902528 100936 05:05:01 PM 84312 1797244 95.52 2188 1108840 1114192 38.03 689480 861472 74472 Average: 89424 1792132 95.25 2468 1130707 1128764 38.52 676405 894712 58487 05:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:03:01 PM eth0 1321.16 888.00 555.24 3711.67 0.00 0.00 0.00 05:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:03:01 PM docker0 23.61 38.07 1.69 294.83 0.00 0.00 0.00 05:04:01 PM eth0 112.64 75.01 855.03 11.33 0.00 0.00 0.00 05:04:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:05:01 PM eth0 38.00 26.57 128.89 8.91 0.00 0.00 0.00 05:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 490.62 329.88 513.08 1244.04 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.87 12.69 0.56 98.28 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/02/2020 _x86_64_ (4 CPU) 05:00:45 PM LINUX RESTART 05:02:01 PM CPU %user %nice %system %iowait %steal %idle 05:03:01 PM all 20.49 0.00 5.16 1.83 0.04 72.47 05:03:01 PM 0 30.42 0.00 6.91 0.89 0.05 61.73 05:03:01 PM 1 10.93 0.00 4.04 3.15 0.05 81.82 05:03:01 PM 2 30.58 0.00 4.94 2.09 0.02 62.36 05:03:01 PM 3 10.08 0.00 4.79 1.20 0.05 83.88 05:04:01 PM all 17.83 0.00 2.77 1.36 0.01 78.03 05:04:01 PM 0 44.17 0.00 5.08 2.07 0.00 48.67 05:04:01 PM 1 5.29 0.00 1.14 0.92 0.02 92.64 05:04:01 PM 2 17.68 0.00 3.55 1.25 0.00 77.51 05:04:01 PM 3 4.20 0.00 1.31 1.19 0.02 93.29 05:05:01 PM all 15.36 0.00 3.09 1.69 0.00 79.86 05:05:01 PM 0 29.10 0.00 4.56 1.85 0.02 64.47 05:05:01 PM 1 8.49 0.00 2.12 1.91 0.00 87.48 05:05:01 PM 2 13.02 0.00 2.79 0.58 0.02 83.59 05:05:01 PM 3 10.77 0.00 2.85 2.43 0.02 83.93 Average: all 17.89 0.00 3.67 1.63 0.02 76.80 Average: 0 34.59 0.00 5.51 1.61 0.02 58.27 Average: 1 8.23 0.00 2.43 1.99 0.02 87.33 Average: 2 20.41 0.00 3.76 1.31 0.01 74.51 Average: 3 8.34 0.00 2.98 1.61 0.03 87.04