---> uname -a: Linux 10586d0ad33d 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-203 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-203@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 595 65 0 1177 1137 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) 01/28/20 _x86_64_ (4 CPU) 16:40:36 LINUX RESTART 16:41:01 tps rtps wtps bread/s bwrtn/s 16:42:01 73.06 21.76 51.31 4173.93 11782.69 16:43:01 3.66 0.00 3.66 0.00 112.06 16:44:01 0.72 0.00 0.72 0.00 8.81 16:45:01 0.65 0.00 0.65 0.00 7.39 16:46:01 0.60 0.00 0.60 0.00 6.56 16:47:01 0.80 0.00 0.80 0.00 10.08 16:48:01 0.65 0.00 0.65 0.00 7.40 16:49:01 0.70 0.00 0.70 0.00 8.54 16:50:01 0.90 0.25 0.65 28.38 9.78 16:51:02 0.50 0.00 0.50 0.00 9.43 16:52:01 0.25 0.00 0.25 0.00 3.01 Average: 7.51 2.00 5.51 382.77 1089.91 16:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:42:01 104212 1778092 94.46 2620 1240408 930856 31.76 435268 1181396 116 16:43:01 113608 1768696 93.96 2620 1240340 900348 30.72 429672 1181316 8 16:44:01 112912 1769392 94.00 2620 1240348 900432 30.72 430144 1181304 8 16:45:01 112612 1769692 94.02 2620 1240348 900540 30.73 430748 1181304 12 16:46:01 113784 1768520 93.96 2620 1240356 900348 30.72 429848 1181304 8 16:47:01 112888 1769416 94.00 2620 1240360 900480 30.72 430440 1181304 8 16:48:01 113740 1768564 93.96 2620 1240360 900348 30.72 429860 1181300 8 16:49:01 115048 1767256 93.89 2620 1240368 900348 30.72 428100 1181300 8 16:50:01 110484 1771820 94.13 2620 1241320 912412 31.13 431712 1182228 16 16:51:02 127724 1754580 93.21 2620 1241328 912412 31.13 414092 1182220 8 16:52:01 127744 1754560 93.21 2620 1241328 912352 31.13 413984 1182220 16 Average: 114978 1767326 93.89 2620 1240624 906443 30.93 427624 1181563 20 16:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:42:01 eth0 463.58 318.40 999.57 97.75 0.00 0.00 0.00 16:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:42:01 docker0 4.91 3.56 0.72 7.82 0.00 0.00 0.00 16:43:01 eth0 0.08 0.08 0.01 0.02 0.00 0.00 0.00 16:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:44:01 eth0 3.50 1.75 3.36 0.12 0.00 0.00 0.00 16:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:45:01 eth0 0.90 0.50 0.29 0.21 0.00 0.00 0.00 16:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:01 eth0 0.47 0.08 0.05 0.01 0.00 0.00 0.00 16:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:47:01 eth0 0.72 0.45 0.41 0.27 0.00 0.00 0.00 16:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:48:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 16:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:49:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 16:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 eth0 3.73 1.88 2.82 1.07 0.00 0.00 0.00 16:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:51:02 eth0 3.68 1.97 2.83 1.44 0.00 0.00 0.00 16:51:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:51:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:52:01 eth0 1.13 0.71 0.80 0.47 0.00 0.00 0.00 16:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 43.53 29.69 92.01 9.23 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.45 0.32 0.07 0.71 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) 01/28/20 _x86_64_ (4 CPU) 16:40:36 LINUX RESTART 16:41:01 CPU %user %nice %system %iowait %steal %idle 16:42:01 all 14.11 0.00 3.71 2.48 0.06 79.64 16:42:01 0 14.85 0.00 3.79 1.57 0.03 79.76 16:42:01 1 11.87 0.00 3.85 1.15 0.08 83.05 16:42:01 2 16.98 0.00 3.25 5.05 0.05 74.67 16:42:01 3 12.71 0.00 3.96 2.16 0.07 81.10 16:43:01 all 0.20 0.00 0.05 0.00 0.00 99.75 16:43:01 0 0.05 0.00 0.03 0.00 0.00 99.92 16:43:01 1 0.12 0.00 0.07 0.00 0.00 99.82 16:43:01 2 0.55 0.00 0.08 0.00 0.00 99.37 16:43:01 3 0.07 0.00 0.05 0.00 0.00 99.88 16:44:01 all 0.20 0.00 0.05 0.00 0.01 99.73 16:44:01 0 0.10 0.00 0.03 0.00 0.00 99.87 16:44:01 1 0.08 0.00 0.07 0.00 0.02 99.83 16:44:01 2 0.57 0.00 0.05 0.00 0.02 99.37 16:44:01 3 0.07 0.00 0.03 0.00 0.00 99.90 16:45:01 all 0.19 0.00 0.04 0.00 0.01 99.76 16:45:01 0 0.05 0.00 0.02 0.00 0.03 99.90 16:45:01 1 0.10 0.00 0.05 0.00 0.02 99.83 16:45:01 2 0.57 0.00 0.05 0.00 0.00 99.38 16:45:01 3 0.05 0.00 0.03 0.00 0.02 99.90 16:46:01 all 0.18 0.00 0.04 0.00 0.00 99.77 16:46:01 0 0.07 0.00 0.05 0.00 0.00 99.88 16:46:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:46:01 2 0.53 0.00 0.03 0.00 0.02 99.42 16:46:01 3 0.03 0.00 0.05 0.00 0.00 99.92 16:47:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:47:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:47:01 1 0.10 0.00 0.05 0.00 0.00 99.85 16:47:01 2 0.55 0.00 0.05 0.00 0.00 99.40 16:47:01 3 0.07 0.00 0.03 0.00 0.00 99.90 16:48:01 all 0.19 0.00 0.04 0.00 0.00 99.76 16:48:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:48:01 1 0.12 0.00 0.07 0.00 0.00 99.82 16:48:01 2 0.55 0.00 0.03 0.00 0.00 99.42 16:48:01 3 0.05 0.00 0.03 0.00 0.00 99.92 16:49:01 all 0.17 0.00 0.04 0.00 0.00 99.79 16:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:49:01 1 0.08 0.00 0.07 0.00 0.00 99.85 16:49:01 2 0.53 0.00 0.03 0.00 0.00 99.43 16:49:01 3 0.05 0.00 0.05 0.00 0.00 99.90 16:50:01 all 0.23 0.00 0.06 0.00 0.00 99.70 16:50:01 0 0.10 0.00 0.05 0.00 0.00 99.85 16:50:01 1 0.12 0.00 0.07 0.00 0.00 99.82 16:50:01 2 0.60 0.00 0.03 0.00 0.00 99.37 16:50:01 3 0.10 0.00 0.08 0.02 0.02 99.78 16:51:02 all 0.26 0.00 0.05 0.00 0.00 99.68 16:51:02 0 0.07 0.00 0.02 0.00 0.00 99.92 16:51:02 1 0.23 0.00 0.07 0.00 0.00 99.70 16:51:02 2 0.62 0.00 0.05 0.00 0.00 99.33 16:51:02 3 0.12 0.00 0.07 0.00 0.00 99.82 16:52:01 all 0.18 0.00 0.06 0.00 0.00 99.76 16:52:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:52:01 1 0.08 0.00 0.07 0.00 0.00 99.85 16:52:01 2 0.53 0.00 0.03 0.00 0.00 99.44 16:52:01 3 0.10 0.00 0.12 0.00 0.00 99.78 Average: all 1.45 0.00 0.38 0.22 0.01 97.94 Average: 0 1.39 0.00 0.37 0.14 0.01 98.10 Average: 1 1.17 0.00 0.40 0.10 0.01 98.31 Average: 2 2.04 0.00 0.34 0.46 0.01 97.16 Average: 3 1.21 0.00 0.41 0.20 0.01 98.18