---> uname -a: Linux prd-centos7-docker-4c-2g-1920.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 7.6G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 615 67 16 1154 1023 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:d0:78:b8 brd ff:ff:ff:ff:ff:ff inet 10.30.122.156/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86173sec preferred_lft 86173sec inet6 fe80::f816:3eff:fed0:78b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a0:12:7b:cf 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:a0ff:fe12:7bcf/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) 09/29/2020 _x86_64_ (4 CPU) 01:50:01 AM LINUX RESTART 01:51:03 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 162.35 82.65 79.70 10882.15 16401.38 01:53:01 AM 82.62 11.84 70.78 943.83 8634.81 01:54:01 AM 91.34 23.28 68.07 1028.04 7558.51 Average: 111.55 38.77 72.78 4211.56 10803.57 01:51:03 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 77772 1803784 95.87 2620 1142128 1131160 38.60 612720 983140 144 01:53:01 AM 74016 1807540 96.07 2596 1096456 1165276 39.77 676840 920912 68528 01:54:01 AM 90088 1791468 95.21 2584 1058824 1148580 39.20 677832 870660 93332 Average: 80625 1800931 95.71 2600 1099136 1148339 39.19 655797 924904 54001 01:51:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM eth0 576.59 415.23 1262.15 1015.13 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 26.41 38.85 1.82 304.16 0.00 0.00 0.00 01:53:01 AM eth0 98.34 73.63 848.70 9.64 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 01:54:01 AM eth0 29.72 24.61 127.39 7.85 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 231.10 168.45 740.38 336.77 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.61 12.66 0.59 99.14 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) 09/29/2020 _x86_64_ (4 CPU) 01:50:01 AM LINUX RESTART 01:51:03 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 16.71 0.00 5.30 2.53 0.04 75.41 01:52:01 AM 0 24.72 0.00 6.83 0.99 0.04 67.42 01:52:01 AM 1 10.46 0.00 4.16 4.26 0.05 81.07 01:52:01 AM 2 12.49 0.00 3.55 1.29 0.03 82.64 01:52:01 AM 3 19.27 0.00 6.75 3.60 0.05 70.33 01:53:01 AM all 17.45 0.00 2.82 1.45 0.02 78.25 01:53:01 AM 0 27.83 0.00 3.01 1.33 0.02 67.81 01:53:01 AM 1 10.34 0.00 1.95 0.50 0.00 87.21 01:53:01 AM 2 24.41 0.00 4.49 2.37 0.02 68.70 01:53:01 AM 3 7.38 0.00 1.81 1.61 0.02 89.18 01:54:01 AM all 15.53 0.00 3.26 1.60 0.02 79.58 01:54:01 AM 0 30.07 0.00 4.40 0.83 0.02 64.68 01:54:01 AM 1 14.89 0.00 4.11 1.35 0.02 79.64 01:54:01 AM 2 10.84 0.00 2.34 1.36 0.02 85.44 01:54:01 AM 3 6.50 0.00 2.22 2.86 0.02 88.40 Average: all 16.56 0.00 3.77 1.86 0.03 77.78 Average: 0 27.58 0.00 4.72 1.05 0.02 66.63 Average: 1 11.91 0.00 3.39 2.01 0.02 82.66 Average: 2 15.95 0.00 3.46 1.68 0.02 78.88 Average: 3 10.91 0.00 3.54 2.68 0.03 82.84