---> uname -a: Linux 336e4826a842 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 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: 2933.436 BogoMIPS: 5866.87 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 Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 6.6G 43.4G 13% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.6G 43.4G 13% /etc/resolv.conf /dev/vda1 50.0G 6.6G 43.4G 13% /etc/hostname /dev/vda1 50.0G 6.6G 43.4G 13% /etc/hosts /dev/vda1 50.0G 6.6G 43.4G 13% /w/workspace/undry_go-mod-configuration_PR-17 /dev/vda1 50.0G 6.6G 43.4G 13% /w/workspace/undry_go-mod-configuration_PR-17@tmp /dev/vda1 50.0G 6.6G 43.4G 13% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 663 137 0 1036 1067 Swap: 1023 0 1023 ---> 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 6: eth0@if7: 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/24/20 _x86_64_ (4 CPU) 20:52:20 LINUX RESTART (4 CPU) 20:53:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:54:01 80.83 37.72 43.11 0.00 7480.33 4887.22 0.00 20:55:02 2.16 0.00 2.16 0.00 0.00 46.40 0.00 20:56:01 0.42 0.00 0.42 0.00 0.00 6.20 0.00 20:57:01 0.28 0.00 0.28 0.00 0.00 3.31 0.00 20:58:01 0.22 0.00 0.22 0.00 0.00 2.63 0.00 20:59:01 0.33 0.00 0.33 0.00 0.00 4.35 0.00 21:00:01 0.30 0.02 0.28 0.00 0.13 2.85 0.00 21:01:01 0.28 0.02 0.27 0.00 0.13 2.98 0.00 21:02:01 0.52 0.12 0.40 0.00 2.13 6.28 0.00 21:03:01 0.25 0.00 0.25 0.00 0.00 2.58 0.00 21:04:01 0.27 0.00 0.27 0.00 0.00 2.86 0.00 21:05:01 0.15 0.00 0.15 0.00 0.00 1.88 0.00 21:06:01 0.28 0.00 0.28 0.00 0.00 3.38 0.00 21:07:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 21:08:01 0.30 0.17 0.13 0.00 5.33 1.82 0.00 Average: 5.80 2.54 3.26 0.00 500.14 332.45 0.00 20:53:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:54:01 169784 0 582060 30.94 2620 1127092 1115980 38.09 429900 1122140 124 20:55:02 173912 0 577928 30.72 2620 1127096 1088936 37.16 428716 1119944 20 20:56:01 174844 0 576992 30.67 2620 1127100 1083796 36.99 429172 1119008 8 20:57:01 174920 0 576912 30.66 2620 1127104 1072488 36.60 432612 1115800 12 20:58:01 174160 0 577668 30.70 2620 1127108 1072488 36.60 440412 1108920 8 20:59:01 171704 0 580116 30.83 2620 1127116 1072584 36.61 444428 1107508 8 21:00:01 172024 0 579788 30.81 2620 1127124 1072488 36.60 443916 1107508 8 21:01:01 170936 0 580868 30.87 2620 1127132 1074960 36.69 440192 1111868 8 21:02:01 171496 0 580164 30.83 2620 1127276 1072996 36.62 439872 1111944 8 21:03:01 171604 0 580052 30.83 2620 1127280 1072996 36.62 439864 1111944 8 21:04:01 168516 0 583140 30.99 2620 1127280 1073148 36.62 439320 1115616 16 21:05:01 168488 0 583160 30.99 2620 1127288 1073064 36.62 438892 1115616 12 21:06:01 168104 0 583540 31.01 2620 1127292 1073236 36.63 437384 1117664 8 21:07:01 168112 0 583528 31.01 2620 1127296 1073260 36.63 437412 1117664 8 21:08:01 168836 0 582800 30.97 2620 1127300 1073128 36.62 437236 1117256 20 Average: 171163 0 580581 30.86 2620 1127192 1077703 36.78 437289 1114693 18 20:53:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:54:01 eth0 353.29 218.92 1034.82 85.11 0.00 0.00 0.00 0.00 20:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:54:01 docker0 0.70 0.75 0.13 0.69 0.00 0.00 0.00 0.00 20:55:02 eth0 4.66 1.28 1.58 0.95 0.00 0.00 0.00 0.00 20:55:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 eth0 1.29 0.58 0.58 0.43 0.00 0.00 0.00 0.00 20:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 eth0 0.10 0.07 0.01 0.01 0.00 0.00 0.00 0.00 20:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 eth0 0.17 0.08 0.01 0.01 0.00 0.00 0.00 0.00 20:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:59:01 eth0 0.33 0.22 0.15 0.07 0.00 0.00 0.00 0.00 20:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 eth0 0.17 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 eth0 0.48 0.43 0.32 0.09 0.00 0.00 0.00 0.00 21:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:01 eth0 12.08 0.12 1.08 0.01 0.00 0.00 0.00 0.00 21:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 eth0 3.45 0.32 0.59 0.20 0.00 0.00 0.00 0.00 21:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 eth0 1.90 0.97 1.07 0.79 0.00 0.00 0.00 0.00 21:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 eth0 0.17 0.02 0.01 0.00 0.00 0.00 0.00 0.00 21:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 25.27 14.92 69.48 5.86 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.05 0.01 0.05 0.00 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) 09/24/20 _x86_64_ (4 CPU) 20:52:20 LINUX RESTART (4 CPU) 20:53:01 CPU %user %nice %system %iowait %steal %idle 20:54:01 all 13.68 0.00 6.00 2.20 1.26 76.87 20:54:01 0 14.90 0.00 6.27 0.58 1.12 77.13 20:54:01 1 13.26 0.00 6.13 4.72 1.25 74.65 20:54:01 2 13.13 0.00 5.63 2.61 1.43 77.19 20:54:01 3 13.43 0.00 5.94 0.89 1.23 78.51 20:55:02 all 0.21 0.00 0.07 0.00 0.04 99.68 20:55:02 0 0.10 0.00 0.07 0.00 0.05 99.78 20:55:02 1 0.07 0.00 0.08 0.00 0.05 99.80 20:55:02 2 0.53 0.00 0.08 0.00 0.05 99.33 20:55:02 3 0.13 0.00 0.05 0.00 0.02 99.80 20:56:01 all 0.15 0.00 0.03 0.00 0.04 99.78 20:56:01 0 0.02 0.00 0.02 0.00 0.02 99.95 20:56:01 1 0.07 0.00 0.03 0.00 0.03 99.86 20:56:01 2 0.46 0.00 0.03 0.00 0.05 99.46 20:56:01 3 0.07 0.00 0.05 0.00 0.05 99.83 20:57:01 all 0.17 0.00 0.05 0.00 0.02 99.76 20:57:01 0 0.02 0.00 0.03 0.00 0.02 99.93 20:57:01 1 0.07 0.00 0.07 0.00 0.05 99.82 20:57:01 2 0.53 0.00 0.07 0.00 0.00 99.40 20:57:01 3 0.05 0.00 0.05 0.00 0.02 99.88 20:58:01 all 0.14 0.00 0.06 0.00 0.01 99.79 20:58:01 0 0.02 0.00 0.03 0.00 0.00 99.95 20:58:01 1 0.30 0.00 0.05 0.00 0.02 99.63 20:58:01 2 0.20 0.00 0.13 0.00 0.02 99.65 20:58:01 3 0.03 0.00 0.02 0.00 0.02 99.93 20:59:01 all 0.07 0.00 0.08 0.00 0.00 99.85 20:59:01 0 0.05 0.00 0.03 0.00 0.00 99.92 20:59:01 1 0.17 0.00 0.07 0.00 0.00 99.77 20:59:01 2 0.03 0.00 0.15 0.00 0.00 99.82 20:59:01 3 0.03 0.00 0.05 0.00 0.00 99.92 21:00:01 all 0.16 0.00 0.04 0.00 0.00 99.80 21:00:01 0 0.00 0.00 0.02 0.00 0.00 99.98 21:00:01 1 0.55 0.00 0.05 0.00 0.00 99.40 21:00:01 2 0.08 0.00 0.05 0.00 0.00 99.87 21:00:01 3 0.02 0.00 0.03 0.00 0.02 99.93 21:01:01 all 0.16 0.00 0.04 0.00 0.00 99.80 21:01:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:01:01 1 0.53 0.00 0.05 0.00 0.00 99.42 21:01:01 2 0.08 0.00 0.05 0.00 0.02 99.85 21:01:01 3 0.02 0.00 0.03 0.00 0.00 99.95 21:02:01 all 0.11 0.00 0.05 0.00 0.01 99.83 21:02:01 0 0.02 0.00 0.03 0.00 0.02 99.93 21:02:01 1 0.32 0.00 0.07 0.02 0.02 99.58 21:02:01 2 0.05 0.00 0.07 0.00 0.00 99.88 21:02:01 3 0.05 0.00 0.05 0.00 0.00 99.90 21:03:01 all 0.15 0.00 0.04 0.00 0.00 99.80 21:03:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:03:01 1 0.52 0.00 0.05 0.00 0.00 99.43 21:03:01 2 0.05 0.00 0.05 0.00 0.02 99.88 21:03:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:04:01 all 0.15 0.00 0.03 0.00 0.00 99.81 21:04:01 0 0.02 0.00 0.00 0.00 0.00 99.98 21:04:01 1 0.53 0.00 0.03 0.00 0.00 99.43 21:04:01 2 0.02 0.00 0.05 0.00 0.00 99.93 21:04:01 3 0.05 0.00 0.05 0.00 0.00 99.90 21:04:01 CPU %user %nice %system %iowait %steal %idle 21:05:01 all 0.15 0.00 0.03 0.00 0.02 99.81 21:05:01 0 0.00 0.00 0.02 0.00 0.02 99.97 21:05:01 1 0.52 0.00 0.02 0.00 0.02 99.45 21:05:01 2 0.07 0.00 0.05 0.00 0.03 99.85 21:05:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:06:01 all 0.19 0.00 0.04 0.00 0.02 99.75 21:06:01 0 0.18 0.00 0.03 0.00 0.02 99.77 21:06:01 1 0.47 0.00 0.03 0.00 0.02 99.48 21:06:01 2 0.08 0.00 0.07 0.00 0.03 99.82 21:06:01 3 0.03 0.00 0.03 0.00 0.02 99.92 21:07:01 all 0.15 0.00 0.04 0.00 0.01 99.80 21:07:01 0 0.23 0.00 0.05 0.00 0.00 99.72 21:07:01 1 0.28 0.00 0.03 0.00 0.02 99.67 21:07:01 2 0.05 0.00 0.05 0.00 0.02 99.88 21:07:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:08:01 all 0.05 0.00 0.06 0.00 0.00 99.89 21:08:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:08:01 1 0.07 0.00 0.08 0.00 0.00 99.85 21:08:01 2 0.05 0.00 0.05 0.00 0.00 99.90 21:08:01 3 0.03 0.00 0.07 0.00 0.02 99.88 Average: all 1.02 0.00 0.43 0.14 0.09 98.30 Average: 0 1.01 0.00 0.43 0.04 0.08 98.43 Average: 1 1.16 0.00 0.45 0.31 0.10 97.98 Average: 2 1.01 0.00 0.43 0.17 0.11 98.28 Average: 3 0.91 0.00 0.42 0.06 0.09 98.51