---> uname -a: Linux prd-centos7-docker-4c-2g-4330.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 583 76 16 1177 1054 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:7f:64:2b brd ff:ff:ff:ff:ff:ff inet 10.30.122.8/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fe7f:642b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:07:75:33:21 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::42:7ff:fe75:3321/64 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) 01:48:52 AM LINUX RESTART 01:50:01 AM tps rtps wtps bread/s bwrtn/s 01:51:01 AM 130.00 81.50 48.50 10995.14 6753.66 01:52:02 AM 59.63 6.71 52.92 772.16 7112.34 01:53:01 AM 112.44 22.55 89.89 951.02 9987.34 Average: 100.65 36.98 63.66 4253.01 7942.88 01:50:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 AM 73004 1808552 96.12 2596 1193340 1135672 38.76 655276 976188 1588 01:52:02 AM 72612 1808944 96.14 2592 1146388 1129576 38.55 695272 907524 105416 01:53:01 AM 79300 1802256 95.79 1884 1104784 1114016 38.02 683872 866152 83188 Average: 74972 1806584 96.02 2357 1148171 1126421 38.44 678140 916621 63397 01:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 AM eth0 1260.99 824.48 419.11 3713.86 0.00 0.00 0.00 01:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:01 AM docker0 16.28 19.00 1.15 132.68 0.00 0.00 0.00 01:52:02 AM eth0 171.27 146.61 796.29 14.21 0.00 0.00 0.00 01:52:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM eth0 46.54 39.15 131.06 39.86 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 494.77 337.97 450.09 1260.99 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.45 6.36 0.38 44.41 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) 01:48:52 AM LINUX RESTART 01:50:01 AM CPU %user %nice %system %iowait %steal %idle 01:51:01 AM all 20.24 0.00 3.47 2.35 0.28 73.65 01:51:01 AM 0 17.77 0.00 4.75 2.77 0.26 74.46 01:51:01 AM 1 25.68 0.00 2.68 2.53 0.22 68.89 01:51:01 AM 2 27.12 0.00 3.72 0.93 0.32 67.92 01:51:01 AM 3 10.31 0.00 2.78 3.15 0.32 83.44 01:52:02 AM all 16.46 0.00 1.89 1.14 0.03 80.48 01:52:02 AM 0 19.11 0.00 1.65 0.54 0.05 78.65 01:52:02 AM 1 17.91 0.00 2.27 1.30 0.02 78.49 01:52:02 AM 2 9.42 0.00 0.97 0.35 0.02 89.24 01:52:02 AM 3 19.42 0.00 2.69 2.40 0.03 75.46 01:53:01 AM all 16.61 0.00 2.50 1.87 0.01 79.01 01:53:01 AM 0 21.35 0.00 1.71 0.59 0.00 76.35 01:53:01 AM 1 11.37 0.00 2.17 2.95 0.03 83.48 01:53:01 AM 2 18.36 0.00 3.34 2.25 0.02 76.03 01:53:01 AM 3 15.36 0.00 2.76 1.68 0.02 80.18 Average: all 17.77 0.00 2.62 1.79 0.11 77.72 Average: 0 19.41 0.00 2.69 1.29 0.10 76.50 Average: 1 18.34 0.00 2.38 2.26 0.09 76.93 Average: 2 18.27 0.00 2.67 1.17 0.12 77.77 Average: 3 15.04 0.00 2.74 2.41 0.12 79.68