---> uname -a: Linux prd-centos7-docker-4c-2g-3040.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: 2933.436 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 608 92 16 1136 1030 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:d9:cd:bd brd ff:ff:ff:ff:ff:ff inet 10.30.123.246/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86165sec preferred_lft 86165sec inet6 fe80::f816:3eff:fed9:cdbd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9d:99:19:29 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::42:9dff:fe99:1929/64 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) 10/02/2020 _x86_64_ (4 CPU) 04:21:30 PM LINUX RESTART 04:22:01 PM tps rtps wtps bread/s bwrtn/s 04:23:01 PM 232.71 103.98 128.74 12154.58 57582.21 04:24:01 PM 114.52 59.87 54.65 5036.03 7878.04 04:25:02 PM 103.97 25.29 78.69 1576.06 10810.36 Average: 150.40 63.04 87.36 6254.53 25423.38 04:22:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:23:01 PM 71544 1810012 96.20 2620 1162172 1244772 42.48 586232 1025772 95360 04:24:01 PM 74804 1806752 96.02 2620 1141356 1152600 39.34 645892 975624 58704 04:25:02 PM 108204 1773352 94.25 2596 1075504 1119396 38.20 629356 905664 74600 Average: 84851 1796705 95.49 2612 1126344 1172256 40.01 620493 969020 76221 04:22:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:23:01 PM vethb17581f 14.01 23.03 1.23 222.95 0.00 0.00 0.00 04:23:01 PM eth0 978.27 811.70 4405.96 118.04 0.00 0.00 0.00 04:23:01 PM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:23:01 PM docker0 14.01 22.90 1.03 222.94 0.00 0.00 0.00 04:24:01 PM eth0 306.66 215.07 780.76 956.08 0.00 0.00 0.00 04:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:24:01 PM docker0 6.91 11.01 0.47 71.01 0.00 0.00 0.00 04:25:02 PM eth0 31.75 23.34 229.99 4.99 0.00 0.00 0.00 04:25:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:25:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 433.97 347.06 1791.11 359.18 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.97 11.30 0.50 97.96 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) 10/02/2020 _x86_64_ (4 CPU) 04:21:30 PM LINUX RESTART 04:22:01 PM CPU %user %nice %system %iowait %steal %idle 04:23:01 PM all 22.86 0.00 11.42 8.12 0.36 57.25 04:23:01 PM 0 26.56 0.00 12.83 6.24 0.42 53.96 04:23:01 PM 1 20.32 0.00 11.86 7.75 0.34 59.73 04:23:01 PM 2 19.41 0.00 9.47 12.51 0.38 58.23 04:23:01 PM 3 25.21 0.00 11.54 5.91 0.31 57.03 04:24:01 PM all 17.75 0.00 3.15 1.85 0.09 77.16 04:24:01 PM 0 30.67 0.00 4.52 1.12 0.07 63.62 04:24:01 PM 1 20.13 0.00 3.96 3.57 0.05 72.28 04:24:01 PM 2 15.36 0.00 2.57 1.03 0.08 80.95 04:24:01 PM 3 5.17 0.00 1.58 1.67 0.12 91.45 04:25:02 PM all 14.95 0.00 3.03 2.03 0.04 79.96 04:25:02 PM 0 21.94 0.00 3.20 2.55 0.03 72.28 04:25:02 PM 1 13.89 0.00 2.71 1.95 0.03 81.42 04:25:02 PM 2 16.59 0.00 3.51 1.44 0.05 78.41 04:25:02 PM 3 7.41 0.00 2.68 2.21 0.03 87.66 Average: all 18.49 0.00 5.83 3.97 0.16 71.54 Average: 0 26.37 0.00 6.82 3.29 0.17 63.35 Average: 1 18.10 0.00 6.15 4.41 0.14 71.21 Average: 2 17.11 0.00 5.17 4.96 0.17 72.59 Average: 3 12.48 0.00 5.21 3.24 0.15 78.91