---> uname -a: Linux 5c447939907e 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 794 111 0 931 974 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) 07/08/20 _x86_64_ (4 CPU) 04:55:58 LINUX RESTART 04:57:01 tps rtps wtps bread/s bwrtn/s 04:58:02 9.95 2.71 7.24 538.92 185.69 04:59:01 0.52 0.00 0.52 0.00 8.04 05:00:01 0.25 0.00 0.25 0.00 3.20 05:01:01 0.23 0.02 0.22 0.13 3.10 05:02:01 0.55 0.12 0.43 2.13 7.60 05:03:01 201.95 132.45 69.50 5617.71 30581.11 05:04:01 262.60 105.76 156.84 5399.00 33970.73 Average: 68.17 34.52 33.66 1655.16 9274.06 04:57:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:58:02 162620 1718936 91.36 2620 1142632 1159516 39.57 407660 1149192 12 04:59:01 173280 1708276 90.79 2620 1142636 1077416 36.77 403796 1144424 8 05:00:01 172844 1708712 90.81 2620 1142644 1077632 36.78 404952 1144424 20 05:01:01 170040 1711516 90.96 2620 1142644 1080400 36.87 407364 1143820 8 05:02:01 171652 1709904 90.88 2620 1142788 1078008 36.79 410364 1139800 12 05:03:01 79240 1802316 95.79 2620 1100632 1430768 48.83 523884 1072536 6188 05:04:01 230840 1650716 87.73 2136 896884 1125636 38.42 600036 756392 16 Average: 165788 1715768 91.19 2551 1101551 1147054 39.15 451151 1078655 895 04:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:58:02 eth0 26.88 22.32 30.94 27.85 0.00 0.00 0.00 04:58:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:02 docker0 5.09 3.99 0.86 8.91 0.00 0.00 0.00 04:59:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 04:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 eth0 1.83 0.37 0.53 0.17 0.00 0.00 0.00 05:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:01:01 eth0 0.47 0.37 0.27 0.23 0.00 0.00 0.00 05:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 eth0 0.30 0.22 0.14 0.07 0.00 0.00 0.00 05:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:03:01 vethf52f523 9.49 9.11 0.94 38.79 0.00 0.00 0.00 05:03:01 eth0 468.52 294.52 4897.19 111.72 0.00 0.00 0.00 05:03:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 05:03:01 docker0 14.58 13.02 1.67 47.69 0.00 0.00 0.00 05:04:01 eth0 186.71 134.99 3493.49 81.91 0.00 0.00 0.00 05:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:04:01 docker0 20.98 34.28 1.25 253.19 0.00 0.00 0.00 Average: eth0 50.80 35.53 1051.03 17.88 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.09 6.77 0.42 43.09 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) 07/08/20 _x86_64_ (4 CPU) 04:55:58 LINUX RESTART 04:57:01 CPU %user %nice %system %iowait %steal %idle 04:58:02 all 1.65 0.00 0.69 0.12 1.02 96.52 04:58:02 0 2.90 0.00 0.69 0.02 1.04 95.36 04:58:02 1 0.90 0.00 0.72 0.02 1.12 97.25 04:58:02 2 1.67 0.00 0.70 0.03 0.94 96.66 04:58:02 3 1.13 0.00 0.68 0.38 0.98 96.82 04:59:01 all 0.13 0.00 0.05 0.00 0.05 99.77 04:59:01 0 0.03 0.00 0.05 0.00 0.08 99.83 04:59:01 1 0.44 0.00 0.05 0.00 0.07 99.44 04:59:01 2 0.02 0.00 0.05 0.00 0.02 99.92 04:59:01 3 0.03 0.00 0.05 0.00 0.03 99.88 05:00:01 all 0.12 0.00 0.03 0.00 0.12 99.72 05:00:01 0 0.02 0.00 0.02 0.00 0.10 99.87 05:00:01 1 0.38 0.00 0.05 0.00 0.08 99.48 05:00:01 2 0.05 0.00 0.05 0.00 0.18 99.72 05:00:01 3 0.02 0.00 0.02 0.00 0.13 99.83 05:01:01 all 0.10 0.00 0.04 0.00 0.17 99.69 05:01:01 0 0.02 0.00 0.05 0.00 0.18 99.75 05:01:01 1 0.35 0.00 0.03 0.02 0.20 99.40 05:01:01 2 0.03 0.00 0.03 0.00 0.18 99.75 05:01:01 3 0.02 0.00 0.02 0.00 0.10 99.87 05:02:01 all 0.14 0.00 0.05 0.01 0.09 99.72 05:02:01 0 0.07 0.00 0.03 0.00 0.10 99.80 05:02:01 1 0.43 0.00 0.05 0.00 0.18 99.33 05:02:01 2 0.02 0.00 0.07 0.03 0.05 99.83 05:02:01 3 0.03 0.00 0.05 0.00 0.05 99.87 05:03:01 all 5.68 0.00 3.66 1.00 5.55 84.11 05:03:01 0 5.31 0.00 3.42 1.17 5.68 84.41 05:03:01 1 5.76 0.00 3.82 0.68 5.73 84.01 05:03:01 2 5.77 0.00 3.63 1.10 5.26 84.24 05:03:01 3 5.90 0.00 3.76 1.05 5.50 83.80 05:04:01 all 9.93 0.00 7.12 2.81 9.84 70.30 05:04:01 0 8.51 0.00 7.15 2.27 10.18 71.89 05:04:01 1 13.61 0.00 7.73 2.27 9.87 66.52 05:04:01 2 10.30 0.00 6.79 4.47 9.63 68.82 05:04:01 3 7.34 0.00 6.83 2.22 9.69 73.92 Average: all 2.50 0.00 1.64 0.55 2.37 92.94 Average: 0 2.38 0.00 1.61 0.49 2.45 93.07 Average: 1 3.07 0.00 1.75 0.42 2.42 92.34 Average: 2 2.51 0.00 1.59 0.79 2.28 92.83 Average: 3 2.04 0.00 1.60 0.51 2.32 93.53