---> uname -a: Linux 0a46b77b595d 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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-264 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-264@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 656 117 0 1062 1074 Swap: 1023 0 1023 ---> 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 6: eth0@if7: 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) 08/13/20 _x86_64_ (4 CPU) 01:51:05 LINUX RESTART 01:52:01 tps rtps wtps bread/s bwrtn/s 01:53:01 4.90 0.02 4.88 0.53 182.47 01:54:01 0.77 0.02 0.75 2.13 9.50 01:55:01 0.43 0.00 0.43 0.00 6.11 01:56:01 0.15 0.00 0.15 0.00 1.60 01:57:01 0.33 0.00 0.33 0.00 4.08 01:58:01 0.53 0.00 0.53 0.00 7.28 01:59:01 8.93 2.35 6.58 209.03 76.80 02:00:01 40.23 11.40 28.83 4422.16 2504.38 02:01:01 1.52 0.02 1.50 0.13 25.68 02:02:01 0.45 0.08 0.37 1.60 6.23 02:03:01 0.28 0.00 0.28 0.00 2.75 02:04:01 134.48 88.16 46.32 6692.60 18399.04 Average: 16.10 8.52 7.59 945.17 1771.32 01:52:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:53:01 128088 1753468 93.19 2620 1311556 1013380 34.58 299204 1300816 8 01:54:01 128452 1753104 93.17 2620 1311628 1004864 34.29 299552 1300532 8 01:55:01 128568 1752988 93.17 2620 1311636 1004864 34.29 299560 1300532 8 01:56:01 126672 1754884 93.27 2620 1311640 1004864 34.29 303616 1298748 8 01:57:01 126196 1755360 93.29 2620 1311644 1004948 34.30 303264 1299420 8 01:58:01 126492 1755064 93.28 2620 1311652 1004864 34.29 302792 1299420 8 01:59:01 75980 1805576 95.96 2620 1279444 1049624 35.82 389984 1263220 12004 02:00:01 141412 1740144 92.48 2620 1157892 1101612 37.60 470176 1110472 20 02:01:01 145728 1735828 92.25 2620 1157896 1076736 36.75 465716 1110204 8 02:02:01 145864 1735692 92.25 2620 1158024 1074748 36.68 466540 1110264 8 02:03:01 147044 1734512 92.18 2620 1158028 1074556 36.67 465260 1110268 8 02:04:01 97368 1784188 94.83 2620 1124280 1271852 43.41 474244 1101660 26204 Average: 126489 1755067 93.28 2620 1242110 1057243 36.08 378326 1217130 3192 01:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:53:01 eth0 0.60 0.33 0.33 0.20 0.00 0.00 0.00 01:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 01:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 01:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:57:01 eth0 0.13 0.10 0.08 0.06 0.00 0.00 0.00 01:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:58:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 01:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:59:01 eth0 164.13 92.64 235.60 31.38 0.00 0.00 0.00 01:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:01 eth0 118.80 81.12 457.01 48.52 0.00 0.00 0.00 02:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:01 docker0 3.43 2.73 0.78 9.80 0.00 0.00 0.00 02:01:01 eth0 0.78 0.08 0.06 0.01 0.00 0.00 0.00 02:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:02:01 eth0 0.52 0.45 0.34 0.27 0.00 0.00 0.00 02:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 02:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 eth0 104.44 66.43 2330.91 11.64 0.00 0.00 0.00 02:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 32.51 20.14 252.35 7.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.29 0.23 0.07 0.82 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) 08/13/20 _x86_64_ (4 CPU) 01:51:05 LINUX RESTART 01:52:01 CPU %user %nice %system %iowait %steal %idle 01:53:01 all 0.17 0.00 0.05 0.00 0.00 99.78 01:53:01 0 0.13 0.00 0.05 0.00 0.00 99.82 01:53:01 1 0.03 0.00 0.07 0.00 0.00 99.90 01:53:01 2 0.47 0.00 0.03 0.00 0.02 99.48 01:53:01 3 0.05 0.00 0.05 0.00 0.02 99.88 01:54:01 all 0.16 0.00 0.02 0.00 0.00 99.81 01:54:01 0 0.03 0.00 0.00 0.00 0.00 99.97 01:54:01 1 0.03 0.00 0.02 0.00 0.00 99.95 01:54:01 2 0.55 0.00 0.03 0.02 0.00 99.40 01:54:01 3 0.02 0.00 0.05 0.00 0.00 99.93 01:55:01 all 0.15 0.00 0.02 0.00 0.00 99.82 01:55:01 0 0.00 0.00 0.02 0.00 0.02 99.97 01:55:01 1 0.03 0.00 0.03 0.00 0.00 99.93 01:55:01 2 0.50 0.00 0.02 0.00 0.00 99.48 01:55:01 3 0.07 0.00 0.05 0.00 0.00 99.88 01:56:01 all 0.09 0.00 0.03 0.00 0.00 99.88 01:56:01 0 0.03 0.00 0.02 0.00 0.00 99.95 01:56:01 1 0.05 0.00 0.02 0.00 0.00 99.93 01:56:01 2 0.25 0.00 0.05 0.00 0.00 99.70 01:56:01 3 0.05 0.00 0.03 0.00 0.00 99.92 01:57:01 all 0.09 0.00 0.03 0.00 0.00 99.88 01:57:01 0 0.03 0.00 0.00 0.00 0.00 99.97 01:57:01 1 0.03 0.00 0.03 0.00 0.00 99.93 01:57:01 2 0.25 0.00 0.03 0.00 0.00 99.72 01:57:01 3 0.02 0.00 0.05 0.00 0.00 99.93 01:58:01 all 0.15 0.00 0.02 0.00 0.00 99.83 01:58:01 0 0.00 0.00 0.02 0.00 0.00 99.98 01:58:01 1 0.05 0.00 0.05 0.00 0.00 99.90 01:58:01 2 0.53 0.00 0.02 0.00 0.00 99.45 01:58:01 3 0.03 0.00 0.02 0.00 0.00 99.95 01:59:01 all 2.53 0.00 0.54 0.34 0.01 96.59 01:59:01 0 2.30 0.00 0.87 1.25 0.00 95.58 01:59:01 1 2.59 0.00 0.50 0.05 0.00 96.86 01:59:01 2 2.72 0.00 0.42 0.00 0.02 96.85 01:59:01 3 2.52 0.00 0.38 0.03 0.02 97.05 02:00:01 all 3.35 0.00 1.91 1.18 0.01 93.55 02:00:01 0 3.13 0.00 2.04 0.43 0.02 94.38 02:00:01 1 3.46 0.00 2.26 0.28 0.02 93.98 02:00:01 2 3.62 0.00 1.47 0.65 0.00 94.26 02:00:01 3 3.16 0.00 1.87 3.33 0.00 91.63 02:01:01 all 0.16 0.00 0.05 0.00 0.00 99.79 02:01:01 0 0.05 0.00 0.05 0.00 0.00 99.90 02:01:01 1 0.53 0.00 0.05 0.00 0.00 99.42 02:01:01 2 0.03 0.00 0.03 0.00 0.00 99.93 02:01:01 3 0.03 0.00 0.05 0.00 0.00 99.92 02:02:01 all 0.17 0.00 0.05 0.00 0.00 99.78 02:02:01 0 0.07 0.00 0.07 0.00 0.00 99.87 02:02:01 1 0.53 0.00 0.03 0.02 0.00 99.42 02:02:01 2 0.02 0.00 0.03 0.00 0.00 99.95 02:02:01 3 0.03 0.00 0.03 0.00 0.00 99.93 02:03:01 all 0.15 0.00 0.02 0.00 0.00 99.83 02:03:01 0 0.05 0.00 0.03 0.00 0.00 99.92 02:03:01 1 0.52 0.00 0.02 0.00 0.00 99.47 02:03:01 2 0.00 0.00 0.00 0.00 0.00 100.00 02:03:01 3 0.03 0.00 0.03 0.00 0.00 99.93 02:04:01 all 5.37 0.00 3.66 1.78 0.01 89.18 02:04:01 0 4.49 0.00 3.67 0.67 0.02 91.15 02:04:01 1 4.88 0.00 3.41 1.34 0.02 90.35 02:04:01 2 5.81 0.00 3.85 3.70 0.02 86.62 02:04:01 3 6.29 0.00 3.69 1.43 0.02 88.58 Average: all 1.04 0.00 0.53 0.27 0.00 98.15 Average: 0 0.86 0.00 0.57 0.20 0.00 98.38 Average: 1 1.06 0.00 0.54 0.14 0.00 98.26 Average: 2 1.23 0.00 0.50 0.36 0.00 97.91 Average: 3 1.02 0.00 0.52 0.40 0.00 98.05