---> uname -a: Linux prd-centos7-docker-4c-2g-3303.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 7.8G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 614 81 16 1141 1024 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:d0:a2:04 brd ff:ff:ff:ff:ff:ff inet 10.30.123.9/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fed0:a204/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0a:1a:c7:bd 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:aff:fe1a:c7bd/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) 10/04/2020 _x86_64_ (4 CPU) 01:49:24 AM LINUX RESTART 01:50:01 AM tps rtps wtps bread/s bwrtn/s 01:51:01 AM 147.38 62.25 85.13 9450.41 22892.01 01:52:01 AM 128.54 82.81 45.73 10638.18 6673.21 01:53:01 AM 83.00 9.27 73.73 830.76 10610.39 Average: 119.65 51.45 68.20 6974.07 13393.23 01:50:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 AM 64344 1817212 96.58 2620 1128320 1263972 43.14 592356 1018676 81232 01:52:01 AM 65536 1816020 96.52 2596 1154204 1146276 39.12 687884 948400 29388 01:53:01 AM 196132 1685424 89.58 1944 1017584 1090824 37.23 608020 854460 85324 Average: 108671 1772885 94.22 2387 1100036 1167024 39.83 629420 940512 65315 01:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 AM veth019a30d 20.51 32.42 1.77 294.50 0.00 0.00 0.00 01:51:01 AM eth0 1035.32 641.76 4453.50 129.57 0.00 0.00 0.00 01:51:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:51:01 AM docker0 20.51 32.29 1.49 294.49 0.00 0.00 0.00 01:52:01 AM eth0 1266.08 828.17 453.46 3685.17 0.00 0.00 0.00 01:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 AM docker0 0.10 0.07 0.00 0.01 0.00 0.00 0.00 01:53:01 AM eth0 65.67 45.41 640.16 5.94 0.00 0.00 0.00 01:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 779.54 501.51 1834.96 1273.24 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.87 10.79 0.50 98.20 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) 10/04/2020 _x86_64_ (4 CPU) 01:49:24 AM LINUX RESTART 01:50:01 AM CPU %user %nice %system %iowait %steal %idle 01:51:01 AM all 22.45 0.00 8.37 3.05 0.11 66.02 01:51:01 AM 0 24.87 0.00 9.13 1.85 0.14 64.01 01:51:01 AM 1 22.90 0.00 7.61 2.12 0.10 67.27 01:51:01 AM 2 23.92 0.00 8.52 7.09 0.12 60.35 01:51:01 AM 3 18.12 0.00 8.25 1.14 0.08 72.41 01:52:01 AM all 20.23 0.00 4.36 2.16 0.14 73.10 01:52:01 AM 0 20.89 0.00 5.50 2.05 0.14 71.42 01:52:01 AM 1 21.96 0.00 4.53 1.67 0.15 71.68 01:52:01 AM 2 11.74 0.00 3.62 3.34 0.15 81.15 01:52:01 AM 3 26.35 0.00 3.81 1.59 0.12 68.13 01:53:01 AM all 17.23 0.00 3.17 0.99 0.03 78.58 01:53:01 AM 0 40.25 0.00 5.19 1.34 0.03 53.19 01:53:01 AM 1 8.78 0.00 2.06 0.37 0.03 88.76 01:53:01 AM 2 11.73 0.00 3.11 1.04 0.02 84.11 01:53:01 AM 3 8.24 0.00 2.33 1.21 0.03 88.19 Average: all 19.96 0.00 5.29 2.06 0.09 72.59 Average: 0 28.76 0.00 6.60 1.74 0.10 62.80 Average: 1 17.84 0.00 4.72 1.38 0.10 75.96 Average: 2 15.78 0.00 5.08 3.81 0.10 75.24 Average: 3 17.54 0.00 4.79 1.31 0.08 76.29