---> uname -a: Linux f93b33ac45a0 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dry_go-mod-core-contracts_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dry_go-mod-core-contracts_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 766 119 0 951 997 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 12: eth0@if13: 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) 09/03/20 _x86_64_ (4 CPU) 18:02:19 LINUX RESTART (4 CPU) 18:03:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:04:01 60.86 14.20 46.66 0.00 4923.02 4931.52 0.00 18:05:01 1.45 0.00 1.45 0.00 0.00 26.48 0.00 18:06:01 0.47 0.00 0.47 0.00 0.00 6.91 0.00 18:07:01 0.23 0.00 0.23 0.00 0.00 2.70 0.00 18:08:01 341.13 182.34 158.79 0.00 7829.66 54972.06 0.00 Average: 81.09 39.45 41.64 0.00 2556.29 12030.70 0.00 18:03:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:04:01 176084 0 550080 29.24 2620 1152772 1130000 38.56 381896 1162760 120 18:05:01 178180 0 547980 29.12 2620 1152776 1121332 38.27 382188 1161016 8 18:06:01 179764 0 546388 29.04 2620 1152784 1079148 36.83 382676 1159136 8 18:07:01 179156 0 546996 29.07 2620 1152784 1079136 36.83 384412 1158528 8 18:08:01 162228 0 728064 38.69 2220 989044 1286812 43.92 553692 893880 92004 Average: 175082 0 583902 31.03 2540 1120032 1139286 38.88 416973 1107064 18430 18:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:04:01 eth0 248.23 160.11 672.18 71.24 0.00 0.00 0.00 0.00 18:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 docker0 3.84 2.91 0.85 10.26 0.00 0.00 0.00 0.00 18:05:01 eth0 2.32 0.83 1.41 0.20 0.00 0.00 0.00 0.00 18:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 eth0 0.73 0.37 0.31 0.23 0.00 0.00 0.00 0.00 18:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 eth0 0.77 0.48 0.35 0.21 0.00 0.00 0.00 0.00 18:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 eth0 280.76 191.38 7056.74 28.52 0.00 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 13.94 12.91 1.13 121.12 0.00 0.00 0.00 0.00 Average: eth0 106.76 70.77 1551.69 20.10 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 3.57 3.17 0.40 26.37 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) 09/03/20 _x86_64_ (4 CPU) 18:02:19 LINUX RESTART (4 CPU) 18:03:01 CPU %user %nice %system %iowait %steal %idle 18:04:01 all 6.49 0.00 3.12 2.63 0.02 87.74 18:04:01 0 7.01 0.00 3.34 1.66 0.00 88.00 18:04:01 1 5.91 0.00 3.43 3.05 0.03 87.57 18:04:01 2 6.18 0.00 3.15 4.36 0.05 86.26 18:04:01 3 6.87 0.00 2.58 1.44 0.00 89.11 18:05:01 all 0.16 0.00 0.05 0.00 0.00 99.79 18:05:01 0 0.05 0.00 0.07 0.00 0.00 99.88 18:05:01 1 0.07 0.00 0.07 0.00 0.00 99.87 18:05:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:05:01 3 0.47 0.00 0.03 0.00 0.00 99.50 18:06:01 all 0.05 0.00 0.04 0.00 0.00 99.90 18:06:01 0 0.07 0.00 0.05 0.00 0.00 99.88 18:06:01 1 0.03 0.00 0.02 0.00 0.02 99.93 18:06:01 2 0.03 0.00 0.05 0.00 0.00 99.92 18:06:01 3 0.08 0.00 0.03 0.00 0.00 99.88 18:07:01 all 0.15 0.00 0.04 0.00 0.00 99.82 18:07:01 0 0.05 0.00 0.07 0.00 0.00 99.88 18:07:01 1 0.02 0.00 0.03 0.00 0.00 99.95 18:07:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:07:01 3 0.48 0.00 0.03 0.00 0.00 99.48 18:08:01 all 14.06 0.00 9.15 3.15 0.03 73.60 18:08:01 0 13.39 0.00 8.98 2.55 0.03 75.05 18:08:01 1 13.83 0.00 9.28 1.03 0.03 75.82 18:08:01 2 14.78 0.00 10.27 5.48 0.03 69.44 18:08:01 3 14.23 0.00 8.07 3.55 0.03 74.10 Average: all 4.15 0.00 2.46 1.15 0.01 92.23 Average: 0 4.09 0.00 2.48 0.84 0.01 92.59 Average: 1 3.94 0.00 2.55 0.81 0.02 92.68 Average: 2 4.18 0.00 2.68 1.95 0.02 91.17 Average: 3 4.40 0.00 2.13 0.99 0.01 92.47