---> uname -a: Linux 5ac10e69ec9b 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-200@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-200 ---> free -m: total used free shared buff/cache available Mem: 1838 595 67 0 1175 1138 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) 01/21/20 _x86_64_ (4 CPU) 21:23:05 LINUX RESTART 21:24:01 tps rtps wtps bread/s bwrtn/s 21:25:01 8.53 0.03 8.49 1.07 1888.53 21:26:01 2.55 0.00 2.55 0.00 80.34 21:27:01 0.75 0.00 0.75 0.00 8.14 21:28:01 0.33 0.00 0.33 0.00 5.26 21:29:01 0.15 0.00 0.15 0.00 2.20 21:30:01 0.35 0.00 0.35 0.00 4.70 21:31:01 42.35 42.00 0.35 2511.24 7.99 Average: 7.86 6.00 1.85 358.92 285.32 21:24:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:25:01 115932 1766372 93.84 2620 1239460 914380 31.20 408156 1200328 8 21:26:01 115604 1766700 93.86 2620 1239468 914416 31.20 408940 1200020 8 21:27:01 114916 1767388 93.89 2620 1239476 914476 31.20 409192 1200020 16 21:28:01 114724 1767580 93.91 2620 1239476 914576 31.20 415708 1193756 20 21:29:01 115608 1766696 93.86 2620 1239484 914480 31.20 415296 1193552 16 21:30:01 116108 1766196 93.83 2620 1239488 914420 31.20 414992 1193548 20 21:31:01 75124 1807180 96.01 2620 1266892 935672 31.92 421812 1221036 76 Average: 109717 1772587 94.17 2620 1243392 917489 31.30 413442 1200323 23 21:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:25:01 eth0 2.78 0.68 0.80 0.44 0.00 0.00 0.00 21:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:26:01 eth0 1.80 0.65 0.60 0.40 0.00 0.00 0.00 21:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:27:01 eth0 2.70 0.75 0.67 0.41 0.00 0.00 0.00 21:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:28:01 eth0 2.66 0.82 0.68 0.41 0.00 0.00 0.00 21:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:29:01 eth0 1.63 0.78 0.72 0.47 0.00 0.00 0.00 21:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 eth0 0.57 0.33 0.27 0.20 0.00 0.00 0.00 21:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:31:01 eth0 8.34 5.48 8.40 3.20 0.00 0.00 0.00 21:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.93 1.36 1.74 0.79 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 01/21/20 _x86_64_ (4 CPU) 21:23:05 LINUX RESTART 21:24:01 CPU %user %nice %system %iowait %steal %idle 21:25:01 all 0.20 0.00 0.10 0.02 0.00 99.68 21:25:01 0 0.45 0.00 0.13 0.08 0.00 99.33 21:25:01 1 0.08 0.00 0.05 0.00 0.00 99.87 21:25:01 2 0.23 0.00 0.12 0.00 0.00 99.65 21:25:01 3 0.03 0.00 0.07 0.00 0.00 99.90 21:26:01 all 0.20 0.00 0.07 0.00 0.00 99.73 21:26:01 0 0.07 0.00 0.03 0.00 0.00 99.90 21:26:01 1 0.35 0.00 0.12 0.00 0.02 99.52 21:26:01 2 0.30 0.00 0.08 0.00 0.00 99.62 21:26:01 3 0.08 0.00 0.05 0.00 0.02 99.85 21:27:01 all 0.17 0.00 0.05 0.00 0.00 99.78 21:27:01 0 0.03 0.00 0.05 0.00 0.00 99.92 21:27:01 1 0.57 0.00 0.03 0.00 0.00 99.40 21:27:01 2 0.07 0.00 0.08 0.00 0.00 99.85 21:27:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:28:01 all 0.20 0.00 0.07 0.00 0.00 99.73 21:28:01 0 0.08 0.00 0.05 0.00 0.00 99.87 21:28:01 1 0.52 0.00 0.08 0.00 0.00 99.40 21:28:01 2 0.13 0.00 0.08 0.00 0.00 99.78 21:28:01 3 0.05 0.00 0.05 0.00 0.00 99.90 21:29:01 all 0.16 0.00 0.05 0.00 0.00 99.78 21:29:01 0 0.05 0.00 0.05 0.00 0.00 99.90 21:29:01 1 0.38 0.00 0.07 0.00 0.00 99.55 21:29:01 2 0.18 0.00 0.05 0.00 0.00 99.77 21:29:01 3 0.05 0.00 0.05 0.00 0.00 99.90 21:30:01 all 0.19 0.00 0.05 0.00 0.00 99.76 21:30:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:30:01 1 0.10 0.00 0.07 0.00 0.00 99.83 21:30:01 2 0.58 0.00 0.05 0.00 0.00 99.37 21:30:01 3 0.07 0.00 0.05 0.00 0.00 99.88 21:31:01 all 0.65 0.00 0.47 1.05 0.00 97.83 21:31:01 0 0.58 0.00 0.58 0.05 0.02 98.77 21:31:01 1 0.57 0.00 0.53 1.58 0.00 97.31 21:31:01 2 1.14 0.00 0.48 2.32 0.02 96.04 21:31:01 3 0.30 0.00 0.30 0.27 0.00 99.13 Average: all 0.25 0.00 0.12 0.15 0.00 99.47 Average: 0 0.18 0.00 0.13 0.02 0.00 99.66 Average: 1 0.37 0.00 0.14 0.23 0.00 99.27 Average: 2 0.38 0.00 0.14 0.33 0.00 99.15 Average: 3 0.09 0.00 0.08 0.04 0.00 99.79