---> uname -a: Linux 6bddcd2c96a5 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 791 114 0 931 976 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) 09/22/20 _x86_64_ (4 CPU) 14:25:21 LINUX RESTART (4 CPU) 14:26:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:27:01 79.19 31.17 48.02 0.00 7288.49 4985.80 0.00 14:28:01 1.58 0.00 1.58 0.00 0.00 29.74 0.00 14:29:01 0.18 0.00 0.18 0.00 0.00 2.33 0.00 14:30:01 0.22 0.00 0.22 0.00 0.00 1.78 0.00 14:31:01 83.05 33.63 49.42 0.00 1575.53 20501.21 0.00 14:32:02 320.11 160.82 159.29 0.00 8849.89 41912.97 0.00 Average: 80.76 37.62 43.14 0.00 2953.48 11245.21 0.00 14:26:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:27:01 161052 0 565176 30.04 2620 1152708 1152992 39.35 417712 1141404 120 14:28:01 168932 0 557292 29.62 2620 1152712 1089972 37.20 415448 1137116 20 14:29:01 167684 0 558532 29.68 2620 1152720 1090212 37.21 418016 1136176 12 14:30:01 167044 0 559172 29.72 2620 1152720 1090180 37.21 419112 1135564 20 14:31:01 81824 0 684448 36.38 2620 1112664 1507204 51.44 488208 1110340 17996 14:32:02 94048 0 755540 40.16 1664 1030304 1316216 44.92 606920 902024 504 Average: 140097 0 613360 32.60 2461 1125638 1207796 41.22 460903 1093771 3112 14:26:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:27:01 eth0 280.76 202.28 1048.16 93.64 0.00 0.00 0.00 0.00 14:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:27:01 docker0 3.39 2.73 0.84 11.10 0.00 0.00 0.00 0.00 14:28:01 eth0 1.03 0.03 0.09 0.00 0.00 0.00 0.00 0.00 14:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:29:01 eth0 2.35 0.88 1.34 0.38 0.00 0.00 0.00 0.00 14:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 eth0 1.27 0.33 0.35 0.20 0.00 0.00 0.00 0.00 14:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:31:01 eth0 383.81 328.52 3773.60 26.95 0.00 0.00 0.00 0.00 14:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:32:02 vetha9548b1 2.30 1.60 0.17 0.37 0.00 0.00 0.00 0.00 14:32:02 eth0 403.23 360.24 3362.82 91.16 0.00 0.00 0.00 0.00 14:32:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:32:02 docker0 20.02 18.64 1.48 122.27 0.00 0.00 0.00 0.00 Average: vetha9548b1 0.38 0.27 0.03 0.06 0.00 0.00 0.00 0.00 Average: eth0 178.84 148.80 1365.24 35.40 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 3.90 3.56 0.39 22.24 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) 09/22/20 _x86_64_ (4 CPU) 14:25:21 LINUX RESTART (4 CPU) 14:26:01 CPU %user %nice %system %iowait %steal %idle 14:27:01 all 13.62 0.00 5.32 2.13 7.96 70.97 14:27:01 0 11.65 0.00 5.94 1.53 8.80 72.08 14:27:01 1 13.53 0.00 5.29 2.39 7.61 71.18 14:27:01 2 16.47 0.00 4.73 1.46 7.07 70.28 14:27:01 3 12.84 0.00 5.32 3.13 8.37 70.34 14:28:01 all 0.16 0.00 0.11 0.00 0.27 99.46 14:28:01 0 0.03 0.00 0.12 0.00 0.13 99.72 14:28:01 1 0.08 0.00 0.15 0.00 0.25 99.52 14:28:01 2 0.45 0.00 0.07 0.00 0.48 99.00 14:28:01 3 0.07 0.00 0.10 0.00 0.23 99.60 14:29:01 all 0.11 0.00 0.03 0.00 0.31 99.55 14:29:01 0 0.03 0.00 0.02 0.00 0.12 99.83 14:29:01 1 0.05 0.00 0.03 0.00 0.30 99.62 14:29:01 2 0.28 0.00 0.03 0.00 0.33 99.35 14:29:01 3 0.07 0.00 0.05 0.02 0.48 99.39 14:30:01 all 0.12 0.00 0.05 0.00 0.14 99.70 14:30:01 0 0.03 0.00 0.03 0.00 0.15 99.78 14:30:01 1 0.05 0.00 0.05 0.00 0.18 99.72 14:30:01 2 0.02 0.00 0.03 0.00 0.07 99.88 14:30:01 3 0.37 0.00 0.07 0.00 0.17 99.40 14:31:01 all 2.84 0.00 2.10 0.54 7.57 86.94 14:31:01 0 3.03 0.00 2.56 1.08 7.36 85.97 14:31:01 1 3.04 0.00 2.47 0.39 7.68 86.42 14:31:01 2 2.67 0.00 1.62 0.43 7.44 87.83 14:31:01 3 2.62 0.00 1.77 0.27 7.80 87.54 14:32:02 all 10.04 0.00 7.50 3.13 9.22 70.11 14:32:02 0 9.90 0.00 7.41 2.06 10.41 70.22 14:32:02 1 10.67 0.00 7.32 4.53 9.68 67.81 14:32:02 2 9.28 0.00 7.12 2.73 8.24 72.63 14:32:02 3 10.33 0.00 8.15 3.22 8.56 69.74 Average: all 4.40 0.00 2.47 0.95 4.19 87.98 Average: 0 4.05 0.00 2.63 0.77 4.43 88.13 Average: 1 4.48 0.00 2.51 1.19 4.22 87.60 Average: 2 4.78 0.00 2.23 0.75 3.90 88.34 Average: 3 4.31 0.00 2.52 1.08 4.22 87.87