---> uname -a: Linux prd-centos7-docker-4c-2g-3880.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 580 77 16 1180 1058 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:e5:71:2c brd ff:ff:ff:ff:ff:ff inet 10.30.122.21/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fee5:712c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:32:45:44:f1 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::42:32ff:fe45:44f1/64 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) 10/07/2020 _x86_64_ (4 CPU) 03:13:42 AM LINUX RESTART 03:15:01 AM tps rtps wtps bread/s bwrtn/s 03:16:01 AM 131.95 87.20 44.75 10777.29 6712.65 03:17:01 AM 89.68 15.05 74.63 974.63 10944.51 03:18:01 AM 93.69 14.34 79.35 733.66 8649.63 Average: 105.11 38.87 66.24 4162.42 8768.82 03:15:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:16:01 AM 77172 1804384 95.90 2620 1184376 1131676 38.62 669640 949376 19232 03:17:01 AM 159536 1722020 91.52 2400 1072752 1085100 37.03 623584 870728 72236 03:18:01 AM 85724 1795832 95.44 2092 1094448 1104536 37.70 691264 845668 7464 Average: 107477 1774079 94.29 2371 1117192 1107104 37.78 661496 888591 32977 03:15:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:16:01 AM eth0 1310.94 858.13 430.42 3699.08 0.00 0.00 0.00 03:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:01 AM docker0 8.16 9.54 0.53 70.91 0.00 0.00 0.00 03:17:01 AM eth0 94.82 85.35 712.23 8.73 0.00 0.00 0.00 03:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:18:01 AM eth0 43.41 33.39 131.41 26.04 0.00 0.00 0.00 03:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 483.13 325.67 424.70 1244.82 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.72 3.18 0.18 23.64 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) 10/07/2020 _x86_64_ (4 CPU) 03:13:42 AM LINUX RESTART 03:15:01 AM CPU %user %nice %system %iowait %steal %idle 03:16:01 AM all 19.72 0.00 4.11 2.38 0.02 73.77 03:16:01 AM 0 33.94 0.00 7.38 1.20 0.03 57.45 03:16:01 AM 1 8.57 0.00 2.85 1.74 0.02 86.82 03:16:01 AM 2 14.22 0.00 2.96 4.55 0.02 78.25 03:16:01 AM 3 22.37 0.00 3.29 1.99 0.02 72.34 03:17:01 AM all 15.90 0.00 2.75 1.34 0.01 80.00 03:17:01 AM 0 16.43 0.00 2.17 2.08 0.02 79.31 03:17:01 AM 1 15.19 0.00 3.48 0.74 0.02 80.58 03:17:01 AM 2 16.28 0.00 2.46 0.97 0.02 80.28 03:17:01 AM 3 15.69 0.00 2.92 1.58 0.02 79.80 03:18:01 AM all 13.86 0.00 2.50 2.82 0.01 80.81 03:18:01 AM 0 21.05 0.00 2.51 2.09 0.00 74.35 03:18:01 AM 1 12.08 0.00 1.78 2.15 0.00 83.99 03:18:01 AM 2 9.77 0.00 2.29 3.92 0.00 84.02 03:18:01 AM 3 12.57 0.00 3.39 3.10 0.00 80.95 Average: all 16.48 0.00 3.12 2.18 0.01 78.21 Average: 0 23.73 0.00 3.99 1.80 0.02 70.47 Average: 1 11.95 0.00 2.71 1.54 0.01 83.79 Average: 2 13.42 0.00 2.57 3.14 0.01 80.86 Average: 3 16.87 0.00 3.20 2.22 0.01 77.71