---> uname -a: Linux 0651a34922c3 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.3G 43.7G 13% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-236@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-236 ---> free -m: total used free shared buff/cache available Mem: 1838 604 69 0 1164 1130 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/20/20 _x86_64_ (4 CPU) 03:44:42 LINUX RESTART 03:45:02 tps rtps wtps bread/s bwrtn/s 03:46:01 129.41 59.75 69.66 6162.19 37746.20 03:47:01 13.20 1.73 11.47 87.63 1894.11 03:48:01 0.30 0.00 0.30 0.00 4.31 03:49:01 0.33 0.00 0.33 0.00 3.76 03:50:01 0.22 0.00 0.22 0.00 2.43 03:51:01 90.07 53.96 36.11 3610.38 14514.34 Average: 38.69 19.14 19.55 1631.67 8952.65 03:45:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:46:01 107876 1774428 94.27 2620 1222076 1111620 37.93 436888 1172720 48880 03:47:01 109828 1772476 94.17 2620 1225188 1002176 34.19 439524 1170000 16 03:48:01 124416 1757888 93.39 2620 1225196 902668 30.80 429544 1168188 12 03:49:01 123032 1759272 93.46 2620 1225196 902984 30.81 430836 1168188 8 03:50:01 122552 1759752 93.49 2620 1225204 903008 30.81 431188 1168164 12 03:51:01 154076 1728228 91.81 2620 1167748 983200 33.55 424908 1129236 41172 Average: 123630 1758674 93.43 2620 1215101 967609 33.01 432148 1162749 15017 03:45:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:46:01 eth0 204.96 163.49 1011.57 74.90 0.00 0.00 0.00 03:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:01 vethf8f4cfb 2.96 1.86 0.72 5.14 0.00 0.00 0.00 03:46:01 docker0 2.96 1.74 0.68 5.13 0.00 0.00 0.00 03:47:01 eth0 13.55 11.52 14.31 19.39 0.00 0.00 0.00 03:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 docker0 0.97 1.10 0.07 3.70 0.00 0.00 0.00 03:48:01 eth0 0.57 0.08 0.06 0.01 0.00 0.00 0.00 03:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:01 eth0 0.85 0.35 0.30 0.20 0.00 0.00 0.00 03:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 eth0 0.43 0.37 0.27 0.20 0.00 0.00 0.00 03:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:51:01 eth0 82.05 65.09 2328.19 10.43 0.00 0.00 0.00 03:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 50.00 39.83 558.06 17.37 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.65 0.47 0.12 1.46 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/20/20 _x86_64_ (4 CPU) 03:44:42 LINUX RESTART 03:45:02 CPU %user %nice %system %iowait %steal %idle 03:46:01 all 13.64 0.00 8.46 6.16 25.03 46.72 03:46:01 0 10.50 0.00 9.35 5.89 28.43 45.83 03:46:01 1 16.28 0.00 7.73 7.09 24.23 44.67 03:46:01 2 12.48 0.00 9.51 5.73 23.96 48.31 03:46:01 3 15.27 0.00 7.22 5.96 23.55 48.00 03:47:01 all 0.96 0.00 0.39 0.06 3.05 95.54 03:47:01 0 0.97 0.00 0.45 0.03 3.41 95.14 03:47:01 1 1.24 0.00 0.33 0.12 3.13 95.19 03:47:01 2 0.74 0.00 0.28 0.03 2.93 96.02 03:47:01 3 0.86 0.00 0.51 0.05 2.74 95.83 03:48:01 all 0.12 0.00 0.06 0.00 0.36 99.46 03:48:01 0 0.07 0.00 0.03 0.00 0.50 99.40 03:48:01 1 0.33 0.00 0.07 0.00 0.30 99.30 03:48:01 2 0.08 0.00 0.08 0.00 0.50 99.33 03:48:01 3 0.03 0.00 0.08 0.00 0.13 99.75 03:49:01 all 0.14 0.00 0.05 0.00 0.32 99.48 03:49:01 0 0.07 0.00 0.05 0.00 0.25 99.63 03:49:01 1 0.32 0.00 0.07 0.00 0.66 98.95 03:49:01 2 0.03 0.00 0.07 0.00 0.30 99.60 03:49:01 3 0.13 0.00 0.03 0.00 0.08 99.75 03:50:01 all 0.12 0.00 0.04 0.00 0.47 99.38 03:50:01 0 0.05 0.00 0.03 0.00 0.30 99.62 03:50:01 1 0.33 0.00 0.07 0.00 0.43 99.17 03:50:01 2 0.07 0.00 0.03 0.00 0.60 99.30 03:50:01 3 0.03 0.00 0.02 0.00 0.56 99.39 03:51:01 all 2.67 0.00 1.88 1.55 7.73 86.18 03:51:01 0 1.77 0.00 1.75 0.25 8.27 87.96 03:51:01 1 2.93 0.00 1.96 1.19 7.59 86.32 03:51:01 2 3.47 0.00 1.86 2.92 8.05 83.70 03:51:01 3 2.50 0.00 1.93 1.85 6.99 86.74 Average: all 2.99 0.00 1.84 1.32 6.25 87.61 Average: 0 2.25 0.00 1.95 1.03 6.89 87.87 Average: 1 3.62 0.00 1.73 1.42 6.13 87.09 Average: 2 2.88 0.00 2.03 1.48 6.19 87.42 Average: 3 3.20 0.00 1.66 1.33 5.76 88.05