---> uname -a: Linux e48bd42d3289 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: 2933.438 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dry_go-mod-core-contracts_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dry_go-mod-core-contracts_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 777 105 0 955 990 Swap: 1023 3 1020 ---> 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/01/20 _x86_64_ (4 CPU) 15:46:47 LINUX RESTART 15:48:01 tps rtps wtps bread/s bwrtn/s 15:49:01 3.38 0.00 3.38 0.00 117.63 15:50:01 0.40 0.00 0.40 0.00 5.95 15:51:01 0.25 0.00 0.25 0.00 2.58 15:52:01 0.30 0.00 0.30 0.00 4.03 15:53:01 289.28 167.42 121.86 7448.12 44519.05 15:54:02 244.21 118.68 125.53 7729.51 31401.99 Average: 89.97 47.84 42.13 2540.37 12715.93 15:48:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:49:01 168536 1713020 91.04 2620 1134064 1131068 38.60 432348 1120360 16 15:50:01 168416 1713140 91.05 2620 1134068 1098972 37.51 435188 1117960 8 15:51:01 168844 1712712 91.03 2620 1134072 1097920 37.47 435060 1117860 16 15:52:01 167100 1714456 91.12 2620 1134076 1098056 37.47 443896 1111032 8 15:53:01 65216 1816340 96.53 2596 1094636 1523948 52.01 636252 958936 89672 15:54:02 69048 1812508 96.33 1492 1012228 1528280 52.16 728564 794952 70464 Average: 134527 1747029 92.85 2428 1107191 1246374 42.54 518551 1036850 26697 15:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:49:01 eth0 3.26 0.95 1.00 0.60 0.00 0.00 0.00 15:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 eth0 1.77 0.30 0.38 0.17 0.00 0.00 0.00 15:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:51:01 eth0 1.52 0.35 0.36 0.23 0.00 0.00 0.00 15:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:52:01 eth0 0.98 0.53 0.54 0.39 0.00 0.00 0.00 15:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:53:01 eth0 246.67 178.57 7079.79 26.27 0.00 0.00 0.00 15:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:53:01 docker0 15.32 13.61 1.24 121.81 0.00 0.00 0.00 15:54:02 eth0 217.32 153.76 2557.83 80.75 0.00 0.00 0.00 15:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:54:02 docker0 45.84 65.93 2.96 199.17 0.00 0.00 0.00 Average: eth0 78.88 55.95 1609.25 18.19 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.26 13.36 0.70 53.79 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) 09/01/20 _x86_64_ (4 CPU) 15:46:47 LINUX RESTART 15:48:01 CPU %user %nice %system %iowait %steal %idle 15:49:01 all 0.20 0.00 0.05 0.00 0.00 99.75 15:49:01 0 0.50 0.00 0.05 0.00 0.00 99.45 15:49:01 1 0.05 0.00 0.05 0.00 0.00 99.90 15:49:01 2 0.07 0.00 0.05 0.00 0.00 99.88 15:49:01 3 0.17 0.00 0.03 0.00 0.00 99.80 15:50:01 all 0.16 0.00 0.03 0.00 0.00 99.80 15:50:01 0 0.48 0.00 0.03 0.00 0.02 99.47 15:50:01 1 0.07 0.00 0.05 0.00 0.02 99.87 15:50:01 2 0.07 0.00 0.05 0.00 0.00 99.88 15:50:01 3 0.05 0.00 0.02 0.00 0.02 99.92 15:51:01 all 0.15 0.00 0.04 0.00 0.00 99.81 15:51:01 0 0.25 0.00 0.03 0.00 0.00 99.72 15:51:01 1 0.02 0.00 0.03 0.00 0.00 99.95 15:51:01 2 0.27 0.00 0.07 0.00 0.00 99.67 15:51:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:52:01 all 0.16 0.00 0.04 0.00 0.01 99.79 15:52:01 0 0.03 0.00 0.02 0.00 0.00 99.95 15:52:01 1 0.07 0.00 0.07 0.00 0.00 99.87 15:52:01 2 0.53 0.00 0.05 0.00 0.03 99.38 15:52:01 3 0.03 0.00 0.03 0.00 0.02 99.92 15:53:01 all 11.44 0.00 7.09 1.82 0.39 79.26 15:53:01 0 10.38 0.00 6.71 1.24 0.39 81.28 15:53:01 1 11.26 0.00 8.04 1.68 0.46 78.56 15:53:01 2 11.85 0.00 6.40 1.80 0.36 79.60 15:53:01 3 12.29 0.00 7.20 2.54 0.36 77.62 15:54:02 all 11.18 0.00 7.47 3.18 0.18 78.00 15:54:02 0 9.98 0.00 6.76 1.46 0.17 81.63 15:54:02 1 14.06 0.00 7.67 2.94 0.20 75.13 15:54:02 2 10.12 0.00 6.85 3.40 0.22 79.41 15:54:02 3 10.52 0.00 8.60 4.93 0.13 75.82 Average: all 3.85 0.00 2.43 0.83 0.10 92.80 Average: 0 3.57 0.00 2.25 0.45 0.09 93.64 Average: 1 4.22 0.00 2.63 0.76 0.11 92.27 Average: 2 3.78 0.00 2.22 0.86 0.10 93.03 Average: 3 3.81 0.00 2.62 1.23 0.09 92.25