---> uname -a: Linux prd-centos7-docker-4c-2g-2117.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 619 71 16 1146 1018 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:b3:a1:bf brd ff:ff:ff:ff:ff:ff inet 10.30.122.85/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:feb3:a1bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5d:c4:86:e9 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::42:5dff:fec4:86e9/64 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) 09/30/2020 _x86_64_ (4 CPU) 01:50:36 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 213.04 88.54 124.51 10528.20 57371.83 01:53:01 AM 123.11 60.75 62.36 5304.61 7640.10 01:54:01 AM 87.91 13.90 74.01 961.57 10233.92 Average: 141.37 54.41 86.97 5599.48 25089.94 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 88148 1793408 95.32 2620 1156428 1267520 43.26 584956 1022244 40068 01:53:01 AM 80784 1800772 95.71 2620 1115312 1179672 40.26 646412 969380 38996 01:54:01 AM 178900 1702656 90.49 2596 1025804 1105680 37.73 581036 895628 96212 Average: 115944 1765612 93.84 2612 1099181 1184291 40.42 604135 962417 58425 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM veth0177eae 22.74 28.31 1.87 223.27 0.00 0.00 0.00 01:52:01 AM eth0 1065.40 747.46 4393.69 113.35 0.00 0.00 0.00 01:52:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:01 AM docker0 22.74 28.20 1.56 223.26 0.00 0.00 0.00 01:53:01 AM eth0 404.89 286.00 510.79 956.93 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 8.11 9.67 0.53 70.75 0.00 0.00 0.00 01:54:01 AM eth0 56.61 39.84 507.20 5.28 0.00 0.00 0.00 01:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 499.96 352.20 1790.05 357.94 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.29 12.63 0.70 98.04 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) 09/30/2020 _x86_64_ (4 CPU) 01:50:36 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 21.30 0.00 10.15 9.47 0.11 58.98 01:52:01 AM 0 21.05 0.00 12.34 10.01 0.12 56.48 01:52:01 AM 1 21.13 0.00 9.06 7.82 0.10 61.89 01:52:01 AM 2 21.40 0.00 11.07 11.17 0.10 56.25 01:52:01 AM 3 21.62 0.00 8.11 8.88 0.10 61.28 01:53:01 AM all 16.56 0.00 3.50 1.67 0.03 78.23 01:53:01 AM 0 27.78 0.00 4.99 1.70 0.03 65.49 01:53:01 AM 1 14.76 0.00 3.65 2.17 0.02 79.41 01:53:01 AM 2 15.91 0.00 3.05 0.88 0.03 80.13 01:53:01 AM 3 8.00 0.00 2.36 1.94 0.05 87.65 01:54:01 AM all 17.02 0.00 3.12 1.14 0.02 78.69 01:54:01 AM 0 25.47 0.00 3.11 0.97 0.02 70.43 01:54:01 AM 1 13.34 0.00 2.22 0.54 0.02 83.89 01:54:01 AM 2 18.72 0.00 4.90 1.44 0.02 74.92 01:54:01 AM 3 10.66 0.00 2.31 1.62 0.02 85.40 Average: all 18.28 0.00 5.57 4.07 0.05 72.03 Average: 0 24.78 0.00 6.79 4.20 0.06 64.18 Average: 1 16.38 0.00 4.95 3.48 0.05 75.13 Average: 2 18.67 0.00 6.32 4.47 0.05 70.48 Average: 3 13.38 0.00 4.24 4.12 0.06 78.20