---> uname -a: Linux e9c258565a15 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: 2933.442 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 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 768 111 0 957 1002 Swap: 1023 2 1021 ---> 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) 06/30/20 _x86_64_ (4 CPU) 09:39:44 LINUX RESTART 09:40:01 tps rtps wtps bread/s bwrtn/s 09:41:01 173.93 82.58 91.34 10206.63 40324.61 09:42:01 1.57 0.00 1.57 0.00 30.76 09:43:01 0.30 0.00 0.30 0.00 4.60 09:44:01 0.37 0.00 0.37 0.00 4.40 09:45:01 0.35 0.00 0.35 0.00 4.88 09:46:01 174.50 108.43 66.08 4364.36 30417.12 09:47:01 240.70 99.77 140.94 5349.76 32692.08 Average: 84.55 41.55 43.00 2846.39 14785.50 09:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:41:01 168560 1712996 91.04 2620 1174876 1106776 37.77 404000 1147580 120 09:42:01 174780 1706776 90.71 2620 1174880 1071496 36.57 400336 1145148 20 09:43:01 173120 1708436 90.80 2620 1174888 1071496 36.57 402500 1144936 8 09:44:01 170668 1710888 90.93 2620 1174888 1071768 36.58 405620 1144440 8 09:45:01 170428 1711128 90.94 2620 1174892 1071816 36.58 406944 1143364 8 09:46:01 108712 1772844 94.22 2620 1165348 1277924 43.61 447576 1132376 12 09:47:01 189924 1691632 89.91 2124 939248 1405888 47.98 621744 779468 56 Average: 165170 1716386 91.22 2549 1139860 1153881 39.38 441246 1091045 33 09:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:41:01 eth0 456.36 273.89 1051.94 94.12 0.00 0.00 0.00 09:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:41:01 docker0 4.80 3.31 0.81 8.71 0.00 0.00 0.00 09:42:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 09:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:43:01 eth0 0.90 0.08 0.07 0.01 0.00 0.00 0.00 09:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:44:01 eth0 1.27 0.63 0.60 0.22 0.00 0.00 0.00 09:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:45:01 eth0 0.53 0.43 0.27 0.21 0.00 0.00 0.00 09:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:46:01 eth0 138.82 93.64 3768.88 12.01 0.00 0.00 0.00 09:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:47:01 veth18928a3 2.13 1.53 0.42 0.41 0.00 0.00 0.00 09:47:01 eth0 869.29 567.39 8304.06 190.98 0.00 0.00 0.00 09:47:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 09:47:01 docker0 37.64 40.39 3.02 193.36 0.00 0.00 0.00 Average: veth18928a3 0.30 0.22 0.06 0.06 0.00 0.00 0.00 Average: eth0 124.23 81.08 1186.72 27.29 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.38 5.77 0.43 27.63 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) 06/30/20 _x86_64_ (4 CPU) 09:39:44 LINUX RESTART 09:40:01 CPU %user %nice %system %iowait %steal %idle 09:41:01 all 14.55 0.00 7.42 10.99 0.02 67.03 09:41:01 0 15.23 0.00 8.12 10.60 0.02 66.03 09:41:01 1 14.48 0.00 7.17 13.57 0.02 64.76 09:41:01 2 13.94 0.00 7.72 10.50 0.03 67.80 09:41:01 3 14.52 0.00 6.66 9.27 0.00 69.55 09:42:01 all 0.16 0.00 0.04 0.00 0.00 99.80 09:42:01 0 0.03 0.00 0.05 0.00 0.02 99.90 09:42:01 1 0.53 0.00 0.05 0.00 0.00 99.42 09:42:01 2 0.02 0.00 0.05 0.00 0.00 99.93 09:42:01 3 0.05 0.00 0.03 0.00 0.00 99.92 09:43:01 all 0.15 0.00 0.02 0.00 0.00 99.83 09:43:01 0 0.03 0.00 0.02 0.00 0.00 99.95 09:43:01 1 0.55 0.00 0.02 0.00 0.00 99.43 09:43:01 2 0.03 0.00 0.03 0.00 0.00 99.93 09:43:01 3 0.02 0.00 0.02 0.00 0.00 99.97 09:44:01 all 0.16 0.00 0.03 0.00 0.00 99.81 09:44:01 0 0.13 0.00 0.05 0.00 0.00 99.82 09:44:01 1 0.42 0.00 0.02 0.00 0.00 99.57 09:44:01 2 0.03 0.00 0.03 0.00 0.00 99.93 09:44:01 3 0.03 0.00 0.02 0.00 0.00 99.95 09:45:01 all 0.16 0.00 0.02 0.00 0.00 99.82 09:45:01 0 0.53 0.00 0.02 0.00 0.00 99.45 09:45:01 1 0.03 0.00 0.03 0.00 0.00 99.93 09:45:01 2 0.07 0.00 0.03 0.00 0.00 99.90 09:45:01 3 0.02 0.00 0.02 0.00 0.02 99.95 09:46:01 all 5.75 0.00 2.92 1.01 0.02 90.31 09:46:01 0 5.88 0.00 2.65 0.27 0.00 91.20 09:46:01 1 5.60 0.00 2.85 0.12 0.03 91.39 09:46:01 2 5.89 0.00 3.05 1.76 0.02 89.28 09:46:01 3 5.64 0.00 3.09 1.90 0.00 89.37 09:47:01 all 11.51 0.00 7.31 3.77 0.03 77.38 09:47:01 0 10.66 0.00 7.40 3.02 0.03 78.89 09:47:01 1 10.68 0.00 7.62 3.47 0.03 78.19 09:47:01 2 12.88 0.00 7.20 3.32 0.02 76.58 09:47:01 3 11.81 0.00 7.02 5.30 0.02 75.85 Average: all 4.61 0.00 2.52 2.24 0.01 90.62 Average: 0 4.62 0.00 2.60 1.98 0.01 90.79 Average: 1 4.59 0.00 2.52 2.44 0.01 90.44 Average: 2 4.67 0.00 2.58 2.21 0.01 90.53 Average: 3 4.55 0.00 2.39 2.33 0.00 90.72