---> uname -a: Linux ce3729a39249 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 781 122 0 932 989 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) 09/04/20 _x86_64_ (4 CPU) 22:04:00 LINUX RESTART (4 CPU) 22:05:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:06:01 59.35 15.12 44.23 0.00 5049.07 4898.73 0.00 22:07:01 1.60 0.00 1.60 0.00 0.00 30.99 0.00 22:08:01 0.28 0.00 0.28 0.00 0.00 4.15 0.00 22:09:01 0.25 0.00 0.25 0.00 0.00 2.43 0.00 22:10:01 0.33 0.00 0.33 0.00 0.00 5.37 0.00 22:11:02 216.95 135.06 81.89 0.00 6651.36 30858.62 0.00 22:12:01 201.89 64.77 137.12 0.00 3857.52 32437.16 0.00 Average: 68.43 30.71 37.72 0.00 2207.42 9720.74 0.00 22:05:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:06:01 180368 0 549900 29.23 2620 1148668 1137384 38.82 399480 1141884 120 22:07:01 186024 0 544240 28.92 2620 1148672 1075520 36.71 401124 1136056 24 22:08:01 186732 0 543524 28.89 2620 1148680 1075388 36.70 400336 1136060 8 22:09:01 183876 0 546380 29.04 2620 1148680 1075592 36.71 403492 1135612 24 22:10:01 182708 0 547540 29.10 2620 1148688 1075664 36.71 410576 1129508 20 22:11:02 126700 0 636764 33.84 2620 1115472 1285652 43.88 553280 993492 37792 22:12:01 75500 0 793472 42.17 2488 1010096 1323112 45.16 709496 803820 70284 Average: 160273 0 594546 31.60 2601 1124137 1149759 39.24 468255 1068062 15467 22:05:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:06:01 eth0 120.71 100.43 572.89 65.58 0.00 0.00 0.00 0.00 22:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 docker0 5.25 3.81 0.95 10.62 0.00 0.00 0.00 0.00 22:07:01 eth0 1.53 1.43 3.48 0.10 0.00 0.00 0.00 0.00 22:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 eth0 0.42 0.10 0.02 0.01 0.00 0.00 0.00 0.00 22:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 eth0 1.40 0.35 0.39 0.20 0.00 0.00 0.00 0.00 22:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 eth0 1.35 0.82 0.70 0.47 0.00 0.00 0.00 0.00 22:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:11:02 eth0 401.65 321.37 3908.82 31.28 0.00 0.00 0.00 0.00 22:11:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:11:02 docker0 16.37 16.52 1.25 121.33 0.00 0.00 0.00 0.00 22:12:01 vethf5326f9 25.36 35.96 1.72 203.40 0.00 0.00 0.00 0.00 22:12:01 eth0 460.88 385.30 3493.98 99.06 0.00 0.00 0.00 0.00 22:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 docker0 25.36 35.82 1.37 203.39 0.00 0.00 0.00 0.00 Average: vethf5326f9 3.59 5.09 0.24 28.80 0.00 0.00 0.00 0.00 Average: eth0 140.54 115.18 1137.50 27.79 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 6.68 7.98 0.51 47.73 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) 09/04/20 _x86_64_ (4 CPU) 22:04:00 LINUX RESTART (4 CPU) 22:05:03 CPU %user %nice %system %iowait %steal %idle 22:06:01 all 3.62 0.00 2.66 2.27 10.09 81.36 22:06:01 0 3.92 0.00 3.01 3.87 11.82 77.38 22:06:01 1 3.53 0.00 2.81 1.85 9.63 82.18 22:06:01 2 3.48 0.00 2.23 1.47 9.40 83.43 22:06:01 3 3.55 0.00 2.59 1.90 9.50 82.45 22:07:01 all 0.15 0.00 0.07 0.00 0.36 99.42 22:07:01 0 0.33 0.00 0.07 0.00 0.58 99.02 22:07:01 1 0.10 0.00 0.07 0.00 0.32 99.52 22:07:01 2 0.10 0.00 0.08 0.00 0.38 99.44 22:07:01 3 0.05 0.00 0.07 0.00 0.17 99.72 22:08:01 all 0.11 0.00 0.04 0.00 0.10 99.75 22:08:01 0 0.25 0.00 0.02 0.00 0.17 99.57 22:08:01 1 0.05 0.00 0.05 0.00 0.08 99.82 22:08:01 2 0.10 0.00 0.07 0.00 0.13 99.70 22:08:01 3 0.03 0.00 0.03 0.00 0.02 99.92 22:09:01 all 0.10 0.00 0.03 0.00 0.37 99.51 22:09:01 0 0.28 0.00 0.00 0.00 0.60 99.12 22:09:01 1 0.03 0.00 0.05 0.00 0.23 99.68 22:09:01 2 0.05 0.00 0.05 0.00 0.48 99.42 22:09:01 3 0.02 0.00 0.03 0.00 0.15 99.80 22:10:01 all 0.17 0.00 0.07 0.00 0.22 99.53 22:10:01 0 0.45 0.00 0.05 0.00 0.17 99.33 22:10:01 1 0.08 0.00 0.15 0.00 0.18 99.58 22:10:01 2 0.10 0.00 0.05 0.00 0.25 99.60 22:10:01 3 0.07 0.00 0.05 0.00 0.28 99.60 22:11:02 all 5.11 0.00 4.07 1.88 11.94 77.00 22:11:02 0 4.19 0.00 3.48 0.54 12.06 79.74 22:11:02 1 5.46 0.00 4.88 1.23 11.63 76.80 22:11:02 2 6.01 0.00 4.47 3.21 12.00 74.32 22:11:02 3 4.79 0.00 3.49 2.53 12.06 77.13 22:12:01 all 8.04 0.00 6.30 2.10 17.24 66.33 22:12:01 0 5.63 0.00 5.37 1.11 19.00 68.90 22:12:01 1 6.13 0.00 5.89 3.49 16.44 68.05 22:12:01 2 7.75 0.00 6.01 2.65 17.52 66.07 22:12:01 3 12.84 0.00 8.01 1.13 15.93 62.10 Average: all 2.47 0.00 1.89 0.89 5.75 89.00 Average: 0 2.15 0.00 1.72 0.78 6.36 88.99 Average: 1 2.20 0.00 1.99 0.94 5.51 89.36 Average: 2 2.51 0.00 1.85 1.04 5.73 88.88 Average: 3 3.02 0.00 2.02 0.79 5.41 88.77