---> uname -a: Linux prd-centos7-docker-4c-2g-4398.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: 2933.438 BogoMIPS: 5866.87 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 7.7G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 609 71 16 1155 1028 Swap: 1023 2 1021 ---> 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:be:6a:e7 brd ff:ff:ff:ff:ff:ff inet 10.30.123.45/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:febe:6ae7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cf:a4:5d:33 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:cfff:fea4:5d33/64 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) 10/09/2020 _x86_64_ (4 CPU) 06:17:27 PM LINUX RESTART 06:18:02 PM tps rtps wtps bread/s bwrtn/s 06:19:01 PM 134.05 58.08 75.97 9254.76 22118.60 06:20:01 PM 111.99 43.72 68.27 4143.83 19270.02 06:21:01 PM 91.54 26.37 65.17 1896.37 10271.23 06:22:01 PM 92.11 23.08 69.03 1066.00 8707.51 Average: 107.31 37.73 69.58 4069.31 15063.53 06:18:02 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:19:01 PM 86712 1794844 95.39 2620 1187680 1244912 42.49 554356 1059692 21916 06:20:01 PM 151316 1730240 91.96 2620 1095704 1167096 39.83 707100 844408 100640 06:21:01 PM 65928 1815628 96.50 2596 1116708 1177772 40.20 687760 917524 104008 06:22:01 PM 86888 1794668 95.38 2276 1078580 1151396 39.30 682800 869772 85376 Average: 97711 1783845 94.81 2528 1119668 1185294 40.45 658004 922849 77985 06:18:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:19:01 PM veth73c830a 55.36 61.99 3.81 166.80 0.00 0.00 0.00 06:19:01 PM eth0 1158.10 769.71 4406.94 116.00 0.00 0.00 0.00 06:19:01 PM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 06:19:01 PM docker0 55.36 61.85 3.05 166.79 0.00 0.00 0.00 06:20:01 PM eth0 1444.45 1047.29 3879.29 1052.74 0.00 0.00 0.00 06:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:01 PM docker0 25.74 29.68 1.62 133.33 0.00 0.00 0.00 06:21:01 PM eth0 109.69 97.15 821.40 12.99 0.00 0.00 0.00 06:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:22:01 PM eth0 35.13 25.22 128.43 9.14 0.00 0.00 0.00 06:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 679.31 481.14 2289.51 298.25 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 20.13 22.73 1.16 74.66 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) 10/09/2020 _x86_64_ (4 CPU) 06:17:27 PM LINUX RESTART 06:18:02 PM CPU %user %nice %system %iowait %steal %idle 06:19:01 PM all 16.74 0.00 6.80 3.36 0.02 73.08 06:19:01 PM 0 13.62 0.00 8.03 4.46 0.02 73.87 06:19:01 PM 1 18.22 0.00 6.92 4.96 0.02 69.88 06:19:01 PM 2 18.44 0.00 6.28 2.68 0.02 72.58 06:19:01 PM 3 16.61 0.00 6.04 1.31 0.02 76.03 06:20:01 PM all 19.15 0.00 5.10 1.40 0.01 74.33 06:20:01 PM 0 19.20 0.00 8.65 0.76 0.00 71.39 06:20:01 PM 1 19.15 0.00 2.95 1.61 0.00 76.30 06:20:01 PM 2 21.90 0.00 4.40 1.71 0.02 71.96 06:20:01 PM 3 16.37 0.00 4.42 1.51 0.02 77.67 06:21:01 PM all 16.59 0.00 2.58 1.40 0.00 79.42 06:21:01 PM 0 24.46 0.00 2.76 2.39 0.02 70.37 06:21:01 PM 1 11.97 0.00 2.42 0.99 0.00 84.63 06:21:01 PM 2 15.61 0.00 2.69 1.19 0.00 80.51 06:21:01 PM 3 14.32 0.00 2.46 1.05 0.02 82.15 06:22:01 PM all 15.61 0.00 3.16 1.70 0.01 79.52 06:22:01 PM 0 18.98 0.00 2.74 0.43 0.00 77.84 06:22:01 PM 1 8.21 0.00 2.10 1.60 0.02 88.07 06:22:01 PM 2 19.59 0.00 5.06 2.20 0.02 73.13 06:22:01 PM 3 15.68 0.00 2.78 2.53 0.00 79.02 Average: all 17.02 0.00 4.39 1.96 0.01 76.62 Average: 0 19.12 0.00 5.51 2.00 0.01 73.37 Average: 1 14.36 0.00 3.58 2.27 0.01 79.78 Average: 2 18.88 0.00 4.60 1.94 0.01 74.56 Average: 3 15.74 0.00 3.91 1.60 0.01 78.74