---> uname -a: Linux 09bd7b805e5e 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual 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: 2933.442 BogoMIPS: 5866.88 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 Available Use% Mounted on overlay 50.0G 7.5G 42.5G 15% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/ndry_go-mod-configuration_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/ndry_go-mod-configuration_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 747 71 0 1018 1025 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN 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 16: eth0@if17: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 03/16/20 _x86_64_ (4 CPU) 23:02:05 LINUX RESTART 23:03:01 tps rtps wtps bread/s bwrtn/s 23:04:01 11.64 1.45 10.19 73.01 2130.12 23:05:01 2.56 0.00 2.56 0.00 92.44 23:06:01 0.23 0.00 0.23 0.00 3.61 23:07:01 25.60 2.55 23.05 436.70 15276.00 23:08:01 333.42 162.32 171.10 6529.34 46327.66 Average: 74.70 33.27 41.43 1408.07 12767.93 23:03:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:04:01 108584 1773720 94.23 2620 1233764 925440 31.58 434892 1180296 8 23:05:01 113176 1769128 93.99 2620 1233768 905628 30.90 431500 1180000 20 23:06:01 112608 1769696 94.02 2620 1233776 905700 30.90 432008 1179932 20 23:07:01 73756 1808548 96.08 2620 1207628 1105296 37.71 546264 1075656 73412 23:08:01 226656 1655648 87.96 2620 933096 1017256 34.71 544712 821424 96 Average: 126956 1755348 93.26 2620 1168406 971864 33.16 477875 1087462 14711 23:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:04:01 eth0 6.46 4.48 5.49 4.47 0.00 0.00 0.00 23:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 23:05:01 eth0 2.13 0.97 1.79 0.24 0.00 0.00 0.00 23:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 eth0 1.35 0.77 0.57 0.41 0.00 0.00 0.00 23:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:01 eth0 129.41 114.27 3494.90 11.01 0.00 0.00 0.00 23:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 eth0 253.50 211.94 3754.44 84.59 0.00 0.00 0.00 23:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 veth4ec8eac 0.00 0.10 0.00 0.01 0.00 0.00 0.00 23:08:01 docker0 48.62 52.60 3.49 258.28 0.00 0.00 0.00 Average: eth0 78.58 66.49 1451.61 20.15 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth4ec8eac 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.60 10.41 0.68 51.57 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 03/16/20 _x86_64_ (4 CPU) 23:02:05 LINUX RESTART 23:03:01 CPU %user %nice %system %iowait %steal %idle 23:04:01 all 0.47 0.00 0.16 0.01 0.00 99.35 23:04:01 0 0.25 0.00 0.18 0.00 0.00 99.57 23:04:01 1 0.37 0.00 0.18 0.03 0.00 99.42 23:04:01 2 0.83 0.00 0.12 0.00 0.00 99.05 23:04:01 3 0.43 0.00 0.15 0.02 0.00 99.40 23:05:01 all 0.24 0.00 0.05 0.00 0.00 99.72 23:05:01 0 0.05 0.00 0.07 0.00 0.00 99.88 23:05:01 1 0.15 0.00 0.03 0.00 0.00 99.82 23:05:01 2 0.58 0.00 0.07 0.00 0.00 99.35 23:05:01 3 0.17 0.00 0.03 0.00 0.00 99.80 23:06:01 all 0.18 0.00 0.04 0.00 0.00 99.78 23:06:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:06:01 1 0.07 0.00 0.03 0.00 0.00 99.90 23:06:01 2 0.58 0.00 0.03 0.00 0.00 99.38 23:06:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:07:01 all 3.67 0.00 1.90 0.12 0.01 94.30 23:07:01 0 3.68 0.00 2.07 0.15 0.00 94.10 23:07:01 1 3.55 0.00 1.59 0.12 0.02 94.73 23:07:01 2 4.19 0.00 2.04 0.03 0.02 93.72 23:07:01 3 3.28 0.00 1.89 0.17 0.00 94.67 23:08:01 all 14.80 0.00 8.18 3.09 0.08 73.86 23:08:01 0 14.20 0.00 8.65 2.37 0.07 74.71 23:08:01 1 14.26 0.00 7.99 2.91 0.07 74.77 23:08:01 2 18.41 0.00 8.50 4.19 0.07 68.83 23:08:01 3 12.34 0.00 7.57 2.89 0.08 77.12 Average: all 3.84 0.00 2.05 0.64 0.02 93.46 Average: 0 3.61 0.00 2.18 0.50 0.01 93.70 Average: 1 3.65 0.00 1.95 0.61 0.02 93.78 Average: 2 4.88 0.00 2.13 0.84 0.02 92.13 Average: 3 3.22 0.00 1.91 0.61 0.02 94.25