---> uname -a: Linux c1ea686bddec 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-207 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-207@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 617 62 0 1157 1116 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) 01/29/20 _x86_64_ (4 CPU) 17:29:47 LINUX RESTART 17:30:01 tps rtps wtps bread/s bwrtn/s 17:31:01 175.20 97.69 77.51 7808.79 38846.22 17:32:01 4.25 0.00 4.25 0.00 135.76 17:33:01 0.30 0.00 0.30 0.00 3.96 17:34:01 0.28 0.00 0.28 0.00 3.33 17:35:01 0.23 0.00 0.23 0.00 3.46 17:36:01 0.35 0.00 0.35 0.00 4.31 17:37:01 0.28 0.00 0.28 0.00 3.36 Average: 25.85 13.96 11.89 1116.10 5574.26 17:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:31:01 98424 1783880 94.77 2620 1229800 931232 31.77 449964 1172864 8 17:32:01 101304 1781000 94.62 2620 1229920 930860 31.76 450428 1172352 8 17:33:01 103928 1778376 94.48 2620 1229924 917984 31.32 449364 1171480 8 17:34:01 103880 1778424 94.48 2620 1229952 904788 30.87 450576 1169992 20 17:35:01 105316 1776988 94.40 2620 1229932 904620 30.87 449708 1169988 8 17:36:01 105036 1777268 94.42 2620 1229936 904680 30.87 449916 1169988 8 17:37:01 105596 1776708 94.39 2620 1229940 904620 30.87 449616 1169984 8 Average: 103355 1778949 94.51 2620 1229915 914112 31.19 449939 1170950 10 17:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:31:01 eth0 501.51 341.38 1004.35 99.89 0.00 0.00 0.00 17:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:31:01 docker0 4.01 3.18 0.67 7.84 0.00 0.00 0.00 17:32:01 eth0 1.20 0.62 0.56 0.40 0.00 0.00 0.00 17:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:33:01 eth0 1.35 0.35 0.34 0.20 0.00 0.00 0.00 17:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:34:01 eth0 0.58 0.43 0.28 0.15 0.00 0.00 0.00 17:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:35:01 eth0 0.10 0.10 0.01 0.07 0.00 0.00 0.00 17:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 eth0 0.22 0.18 0.08 0.07 0.00 0.00 0.00 17:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:01 eth0 0.48 0.08 0.04 0.01 0.00 0.00 0.00 17:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 72.24 49.04 143.74 14.40 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.57 0.45 0.10 1.12 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) 01/29/20 _x86_64_ (4 CPU) 17:29:47 LINUX RESTART 17:30:01 CPU %user %nice %system %iowait %steal %idle 17:31:01 all 14.63 0.00 7.62 10.00 0.02 67.72 17:31:01 0 13.02 0.00 8.70 10.43 0.02 67.83 17:31:01 1 15.42 0.00 6.75 9.82 0.02 67.99 17:31:01 2 18.10 0.00 7.60 8.11 0.02 66.18 17:31:01 3 11.97 0.00 7.44 11.68 0.02 68.90 17:32:01 all 0.22 0.00 0.07 0.00 0.00 99.70 17:32:01 0 0.10 0.00 0.05 0.00 0.02 99.83 17:32:01 1 0.12 0.00 0.10 0.00 0.00 99.78 17:32:01 2 0.07 0.00 0.07 0.00 0.02 99.85 17:32:01 3 0.60 0.00 0.08 0.00 0.00 99.32 17:33:01 all 0.20 0.00 0.05 0.00 0.00 99.75 17:33:01 0 0.08 0.00 0.07 0.00 0.00 99.85 17:33:01 1 0.08 0.00 0.05 0.00 0.00 99.87 17:33:01 2 0.07 0.00 0.03 0.00 0.00 99.90 17:33:01 3 0.57 0.00 0.07 0.00 0.00 99.37 17:34:01 all 0.19 0.00 0.06 0.00 0.00 99.75 17:34:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:34:01 1 0.55 0.00 0.05 0.00 0.02 99.38 17:34:01 2 0.05 0.00 0.03 0.00 0.02 99.90 17:34:01 3 0.08 0.00 0.10 0.00 0.00 99.82 17:35:01 all 0.18 0.00 0.05 0.00 0.00 99.77 17:35:01 0 0.03 0.00 0.05 0.00 0.00 99.92 17:35:01 1 0.38 0.00 0.03 0.00 0.00 99.58 17:35:01 2 0.08 0.00 0.07 0.00 0.00 99.85 17:35:01 3 0.20 0.00 0.05 0.00 0.00 99.75 17:36:01 all 0.17 0.00 0.05 0.00 0.00 99.77 17:36:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:36:01 1 0.07 0.00 0.05 0.00 0.00 99.88 17:36:01 2 0.05 0.00 0.07 0.00 0.00 99.88 17:36:01 3 0.53 0.00 0.07 0.00 0.00 99.40 17:37:01 all 0.16 0.00 0.05 0.00 0.00 99.78 17:37:01 0 0.03 0.00 0.05 0.00 0.00 99.92 17:37:01 1 0.08 0.00 0.08 0.00 0.00 99.83 17:37:01 2 0.05 0.00 0.05 0.00 0.00 99.90 17:37:01 3 0.47 0.00 0.07 0.00 0.00 99.47 Average: all 2.23 0.00 1.13 1.42 0.01 95.22 Average: 0 1.90 0.00 1.27 1.48 0.00 95.35 Average: 1 2.37 0.00 1.01 1.39 0.00 95.22 Average: 2 2.61 0.00 1.12 1.15 0.01 95.11 Average: 3 2.04 0.00 1.11 1.65 0.00 95.20