---> uname -a: Linux f30ee11aedc6 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-221 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-221@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 606 75 0 1156 1128 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) 02/28/20 _x86_64_ (4 CPU) 21:38:37 LINUX RESTART 21:39:01 tps rtps wtps bread/s bwrtn/s 21:40:01 65.52 23.64 41.88 4374.63 3682.92 21:41:01 4.06 0.00 4.06 0.00 125.78 21:42:01 0.25 0.00 0.25 0.00 3.78 21:43:01 0.28 0.00 0.28 0.00 3.20 21:44:01 0.25 0.00 0.25 0.00 3.33 21:45:01 0.38 0.00 0.38 0.00 5.33 21:46:01 0.27 0.00 0.27 0.00 2.75 Average: 10.15 3.38 6.77 625.18 546.93 21:39:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:40:01 92612 1789692 95.08 2620 1242740 945544 32.26 438696 1188692 20 21:41:01 103068 1779236 94.52 2620 1242776 902700 30.80 432164 1188672 8 21:42:01 101780 1780524 94.59 2620 1242804 903004 30.81 433608 1188656 16 21:43:01 102588 1779716 94.55 2620 1242784 902764 30.80 432364 1188656 12 21:44:01 102248 1780056 94.57 2620 1242792 902844 30.80 432804 1188656 16 21:45:01 102076 1780228 94.58 2620 1242796 902896 30.81 433236 1188656 8 21:46:01 102872 1779432 94.53 2620 1242800 902764 30.80 432284 1188656 8 Average: 101035 1781269 94.63 2620 1242785 908931 31.01 433594 1188663 13 21:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:40:01 eth0 354.12 258.02 1002.87 94.23 0.00 0.00 0.00 21:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:01 docker0 2.45 1.93 0.65 8.54 0.00 0.00 0.00 21:41:01 eth0 0.52 0.08 0.04 0.01 0.00 0.00 0.00 21:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:42:01 eth0 0.43 0.42 0.26 0.21 0.00 0.00 0.00 21:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:43:01 eth0 0.68 0.08 0.05 0.01 0.00 0.00 0.00 21:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:44:01 eth0 0.50 0.27 0.24 0.02 0.00 0.00 0.00 21:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:45:01 eth0 0.68 0.48 0.40 0.27 0.00 0.00 0.00 21:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:46:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 21:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 51.02 37.08 143.47 13.54 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.35 0.28 0.09 1.22 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) 02/28/20 _x86_64_ (4 CPU) 21:38:37 LINUX RESTART 21:39:01 CPU %user %nice %system %iowait %steal %idle 21:40:01 all 12.43 0.00 4.13 1.53 0.02 81.90 21:40:01 0 12.36 0.00 4.46 0.30 0.02 82.86 21:40:01 1 13.01 0.00 3.84 4.26 0.02 78.87 21:40:01 2 12.29 0.00 4.64 1.19 0.03 81.85 21:40:01 3 12.02 0.00 3.61 0.34 0.02 84.02 21:41:01 all 0.19 0.00 0.05 0.00 0.00 99.76 21:41:01 0 0.05 0.00 0.03 0.00 0.00 99.92 21:41:01 1 0.10 0.00 0.07 0.00 0.00 99.83 21:41:01 2 0.53 0.00 0.05 0.00 0.00 99.42 21:41:01 3 0.08 0.00 0.05 0.00 0.00 99.87 21:42:01 all 0.19 0.00 0.06 0.00 0.00 99.75 21:42:01 0 0.07 0.00 0.07 0.00 0.00 99.87 21:42:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:42:01 2 0.55 0.00 0.05 0.00 0.00 99.40 21:42:01 3 0.10 0.00 0.07 0.00 0.00 99.83 21:43:01 all 0.17 0.00 0.05 0.00 0.00 99.78 21:43:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:43:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:43:01 2 0.52 0.00 0.03 0.00 0.00 99.45 21:43:01 3 0.07 0.00 0.07 0.00 0.00 99.87 21:44:01 all 0.18 0.00 0.05 0.00 0.00 99.77 21:44:01 0 0.05 0.00 0.07 0.00 0.00 99.88 21:44:01 1 0.08 0.00 0.07 0.00 0.00 99.85 21:44:01 2 0.57 0.00 0.03 0.00 0.00 99.40 21:44:01 3 0.03 0.00 0.05 0.00 0.00 99.92 21:45:01 all 0.18 0.00 0.05 0.00 0.00 99.76 21:45:01 0 0.05 0.00 0.05 0.00 0.00 99.90 21:45:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:45:01 2 0.55 0.00 0.03 0.00 0.00 99.42 21:45:01 3 0.07 0.00 0.08 0.00 0.00 99.85 21:46:01 all 0.18 0.00 0.05 0.00 0.00 99.77 21:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:46:01 1 0.08 0.00 0.05 0.00 0.00 99.87 21:46:01 2 0.55 0.00 0.03 0.00 0.00 99.42 21:46:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 1.92 0.00 0.63 0.22 0.00 97.23 Average: 0 1.80 0.00 0.67 0.04 0.00 97.48 Average: 1 1.91 0.00 0.59 0.61 0.00 96.89 Average: 2 2.22 0.00 0.69 0.17 0.00 96.92 Average: 3 1.76 0.00 0.56 0.05 0.00 97.62