---> uname -a: Linux prd-centos7-docker-4c-2g-3060.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 7.5G 43G 15% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 560 77 16 1199 1078 Swap: 1023 0 1023 ---> 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:d8:51:21 brd ff:ff:ff:ff:ff:ff inet 10.30.123.29/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fed8:5121/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:11:25:ac:8d 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::42:11ff:fe25:ac8d/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) 05:08:46 PM LINUX RESTART 05:10:02 PM tps rtps wtps bread/s bwrtn/s 05:11:01 PM 142.93 67.25 75.68 6889.84 13003.28 05:12:01 PM 40.19 5.81 34.37 803.59 3401.61 05:13:01 PM 93.41 19.70 73.71 863.36 9884.46 Average: 91.89 30.72 61.17 2830.31 8738.45 05:10:02 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:11:01 PM 108752 1772804 94.22 2620 1216796 1137584 38.82 396476 1196164 11384 05:12:01 PM 89520 1792036 95.24 2620 1148124 1235636 42.17 499720 1100920 45372 05:13:01 PM 114632 1766924 93.91 2620 1129200 1131824 38.63 479872 1051836 62800 Average: 104301 1777255 94.46 2620 1164707 1168348 39.87 458689 1116307 39852 05:10:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:11:01 PM eth0 94.66 59.39 370.69 56.77 0.00 0.00 0.00 05:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:11:01 PM docker0 19.50 39.34 1.45 298.89 0.00 0.00 0.00 05:12:01 PM eth0 98.14 58.73 822.77 19.00 0.00 0.00 0.00 05:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 12.25 7.39 19.11 4.23 0.00 0.00 0.00 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 68.23 41.75 404.57 26.51 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.43 12.97 0.48 98.55 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) 05:08:46 PM LINUX RESTART 05:10:02 PM CPU %user %nice %system %iowait %steal %idle 05:11:01 PM all 12.20 0.00 5.14 2.76 8.27 71.64 05:11:01 PM 0 14.74 0.00 6.16 1.19 7.70 70.22 05:11:01 PM 1 15.07 0.00 5.53 3.14 8.04 68.21 05:11:01 PM 2 6.29 0.00 3.94 4.19 8.76 76.82 05:11:01 PM 3 12.89 0.00 4.97 2.46 8.57 71.11 05:12:01 PM all 17.28 0.00 1.62 0.33 4.52 76.25 05:12:01 PM 0 46.72 0.00 2.97 0.84 5.48 43.99 05:12:01 PM 1 6.50 0.00 1.27 0.40 4.08 87.75 05:12:01 PM 2 9.71 0.00 1.35 0.08 4.70 84.16 05:12:01 PM 3 8.93 0.00 0.98 0.03 3.94 86.13 05:13:01 PM all 13.50 0.00 3.06 1.19 5.41 76.84 05:13:01 PM 0 9.23 0.00 1.93 1.10 5.27 82.47 05:13:01 PM 1 14.55 0.00 2.79 0.23 4.89 77.54 05:13:01 PM 2 10.11 0.00 2.79 1.65 6.58 78.86 05:13:01 PM 3 20.50 0.00 4.83 1.80 4.83 68.04 Average: all 14.33 0.00 3.27 1.42 6.06 74.92 Average: 0 22.95 0.00 3.68 1.05 6.15 66.17 Average: 1 11.99 0.00 3.16 1.24 5.64 77.97 Average: 2 8.71 0.00 2.70 1.98 6.68 79.93 Average: 3 14.01 0.00 3.55 1.41 5.77 75.26