---> uname -a: Linux b07b6dbe19ce 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 8.2G 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% /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 /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 782 127 0 927 988 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) 09/09/20 _x86_64_ (4 CPU) 16:05:13 LINUX RESTART (4 CPU) 16:06:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:07:01 44.57 11.09 33.48 0.00 4483.78 2551.43 0.00 16:08:01 1.40 0.00 1.40 0.00 0.00 23.45 0.00 16:09:01 0.30 0.00 0.30 0.00 0.00 3.35 0.00 16:10:01 0.23 0.00 0.23 0.00 0.00 2.70 0.00 16:11:01 0.22 0.00 0.22 0.00 0.00 3.66 0.00 16:12:01 151.69 87.46 64.23 0.00 5365.61 30350.29 0.00 16:13:02 264.15 112.08 152.07 0.00 5964.39 34589.33 0.00 Average: 66.11 30.10 36.01 0.00 2259.88 9650.42 0.00 16:06:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:07:01 161732 0 582548 30.96 2620 1134656 1109608 37.87 456396 1103656 20 16:08:01 164360 0 579916 30.82 2620 1134660 1081744 36.92 456176 1101996 8 16:09:01 164328 0 579940 30.82 2620 1134668 1081744 36.92 456184 1101996 8 16:10:01 162116 0 582152 30.94 2620 1134668 1081924 36.92 459236 1101444 20 16:11:01 161704 0 582560 30.96 2620 1134672 1081996 36.93 469404 1091708 12 16:12:01 182144 0 640508 34.04 2620 1056284 1251096 42.70 453148 1052700 56 16:13:02 233076 0 739132 39.28 1576 907772 1318060 44.98 604984 756768 52 Average: 175637 0 612394 32.55 2471 1091054 1143739 39.03 479361 1044324 25 16:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:07:01 eth0 159.99 118.90 457.89 46.79 0.00 0.00 0.00 0.00 16:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 docker0 3.55 2.38 0.86 10.41 0.00 0.00 0.00 0.00 16:08:01 eth0 0.08 0.05 0.01 0.00 0.00 0.00 0.00 0.00 16:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 eth0 0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 eth0 1.80 0.48 0.38 0.21 0.00 0.00 0.00 0.00 16:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 eth0 0.60 0.48 0.34 0.24 0.00 0.00 0.00 0.00 16:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 eth0 369.65 321.41 3782.81 27.37 0.00 0.00 0.00 0.00 16:12:01 vethbc2e636 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:02 eth0 552.75 459.83 3601.46 102.88 0.00 0.00 0.00 0.00 16:13:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:02 vethe159cf8 0.97 0.72 0.22 0.22 0.00 0.00 0.00 0.00 16:13:02 docker0 60.31 78.68 3.98 329.06 0.00 0.00 0.00 0.00 Average: eth0 155.05 128.79 1120.87 25.37 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: vethe159cf8 0.14 0.10 0.03 0.03 0.00 0.00 0.00 0.00 Average: docker0 9.13 11.59 0.69 48.52 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) 09/09/20 _x86_64_ (4 CPU) 16:05:13 LINUX RESTART (4 CPU) 16:06:01 CPU %user %nice %system %iowait %steal %idle 16:07:01 all 3.29 0.00 1.84 1.38 0.02 93.47 16:07:01 0 3.23 0.00 1.96 2.68 0.02 92.11 16:07:01 1 2.78 0.00 2.04 1.69 0.03 93.46 16:07:01 2 4.20 0.00 1.79 0.12 0.00 93.90 16:07:01 3 2.95 0.00 1.57 1.04 0.02 94.42 16:08:01 all 0.15 0.00 0.04 0.00 0.00 99.81 16:08:01 0 0.45 0.00 0.07 0.00 0.00 99.48 16:08:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:08:01 2 0.00 0.00 0.03 0.00 0.00 99.97 16:08:01 3 0.12 0.00 0.02 0.00 0.00 99.87 16:09:01 all 0.13 0.00 0.02 0.00 0.00 99.85 16:09:01 0 0.03 0.00 0.02 0.00 0.00 99.95 16:09:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:09:01 2 0.02 0.00 0.00 0.00 0.00 99.98 16:09:01 3 0.45 0.00 0.02 0.00 0.00 99.53 16:10:01 all 0.16 0.00 0.03 0.00 0.00 99.80 16:10:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:10:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:10:01 2 0.03 0.00 0.03 0.00 0.00 99.93 16:10:01 3 0.52 0.00 0.02 0.00 0.00 99.47 16:11:01 all 0.16 0.00 0.05 0.00 0.00 99.80 16:11:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:11:01 1 0.03 0.00 0.10 0.00 0.00 99.87 16:11:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:11:01 3 0.52 0.00 0.02 0.00 0.00 99.47 16:12:01 all 6.17 0.00 3.70 0.87 0.02 89.24 16:12:01 0 6.13 0.00 3.68 1.11 0.02 89.05 16:12:01 1 6.41 0.00 3.40 0.69 0.02 89.48 16:12:01 2 6.18 0.00 3.92 0.93 0.02 88.95 16:12:01 3 5.95 0.00 3.81 0.74 0.02 89.48 16:13:02 all 12.16 0.00 8.41 3.47 0.06 75.90 16:13:02 0 10.44 0.00 9.06 3.41 0.05 77.04 16:13:02 1 16.24 0.00 8.90 3.92 0.07 70.87 16:13:02 2 10.72 0.00 7.55 2.89 0.05 78.79 16:13:02 3 11.25 0.00 8.12 3.67 0.05 76.91 Average: all 3.14 0.00 1.99 0.81 0.01 94.05 Average: 0 2.88 0.00 2.10 1.02 0.01 94.00 Average: 1 3.62 0.00 2.06 0.89 0.02 93.42 Average: 2 3.00 0.00 1.89 0.55 0.01 94.54 Average: 3 3.08 0.00 1.91 0.77 0.01 94.23