---> uname -a: Linux d3556fa3bc92 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 6.2G 43.8G 12% / 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 6.2G 43.8G 12% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hostname /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hosts /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/dry_go-mod-core-contracts_PR-203 /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/dry_go-mod-core-contracts_PR-203@tmp /dev/vda1 50.0G 6.2G 43.8G 12% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 598 73 0 1166 1135 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) 17:37:53 LINUX RESTART 17:39:02 tps rtps wtps bread/s bwrtn/s 17:40:01 16.18 1.42 14.76 82.60 1957.77 17:41:01 2.48 0.00 2.48 0.00 83.45 17:42:01 0.28 0.00 0.28 0.00 2.98 17:43:01 0.27 0.00 0.27 0.00 3.46 17:44:01 0.32 0.00 0.32 0.00 4.91 17:45:01 0.28 0.00 0.28 0.00 3.00 17:46:01 117.48 67.57 49.91 4438.25 16399.57 Average: 19.64 9.89 9.75 647.78 2640.33 17:39:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 110172 1772132 94.15 2620 1230960 989964 33.78 437856 1174200 20 17:41:01 123044 1759260 93.46 2620 1230968 903752 30.84 427656 1173736 16 17:42:01 120888 1761416 93.58 2620 1230972 903968 30.84 429888 1173732 8 17:43:01 120512 1761792 93.60 2620 1230972 904076 30.85 430316 1173732 8 17:44:01 122220 1760084 93.51 2620 1230980 903864 30.84 429032 1173732 8 17:45:01 122540 1759764 93.49 2620 1230984 903816 30.84 428844 1173728 20 17:46:01 84372 1797932 95.52 2620 1212140 1006624 34.35 418804 1178688 43484 Average: 114821 1767483 93.90 2620 1228282 930866 31.76 428914 1174507 6223 17:39:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:40:01 eth0 23.92 20.85 27.97 30.62 0.00 0.00 0.00 17:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:01 docker0 3.03 2.39 0.61 7.90 0.00 0.00 0.00 17:41:01 eth0 1.02 0.08 0.07 0.04 0.00 0.00 0.00 17:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:42:01 eth0 0.75 0.45 0.30 0.21 0.00 0.00 0.00 17:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:43:01 eth0 0.52 0.40 0.27 0.21 0.00 0.00 0.00 17:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:44:01 eth0 0.32 0.20 0.14 0.07 0.00 0.00 0.00 17:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:45:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 17:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:46:01 veth8a85a40 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:46:01 eth0 339.56 259.11 3142.10 103.95 0.00 0.00 0.00 17:46:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 17:46:01 veth8a1f7f7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth8a85a40 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 18.71 14.50 307.90 6.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth8a1f7f7 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) 01/29/20 _x86_64_ (4 CPU) 17:37:53 LINUX RESTART 17:39:02 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 1.64 0.00 0.89 0.07 2.75 94.64 17:40:01 0 0.88 0.00 1.05 0.05 2.90 95.12 17:40:01 1 2.38 0.00 0.84 0.10 3.00 93.67 17:40:01 2 1.59 0.00 0.88 0.00 2.67 94.86 17:40:01 3 1.77 0.00 0.80 0.12 2.39 94.92 17:41:01 all 0.14 0.00 0.07 0.00 0.24 99.55 17:41:01 0 0.38 0.00 0.07 0.00 0.38 99.17 17:41:01 1 0.07 0.00 0.08 0.00 0.20 99.65 17:41:01 2 0.07 0.00 0.08 0.00 0.18 99.67 17:41:01 3 0.03 0.00 0.05 0.00 0.20 99.72 17:42:01 all 0.15 0.00 0.04 0.00 0.17 99.64 17:42:01 0 0.43 0.00 0.07 0.00 0.33 99.17 17:42:01 1 0.07 0.00 0.02 0.00 0.15 99.77 17:42:01 2 0.05 0.00 0.03 0.00 0.15 99.77 17:42:01 3 0.05 0.00 0.05 0.00 0.03 99.87 17:43:01 all 0.18 0.00 0.05 0.00 0.06 99.71 17:43:01 0 0.45 0.00 0.03 0.00 0.08 99.43 17:43:01 1 0.08 0.00 0.03 0.00 0.05 99.83 17:43:01 2 0.10 0.00 0.10 0.00 0.10 99.70 17:43:01 3 0.07 0.00 0.03 0.00 0.02 99.88 17:44:01 all 0.16 0.00 0.04 0.00 0.05 99.75 17:44:01 0 0.47 0.00 0.03 0.00 0.05 99.45 17:44:01 1 0.03 0.00 0.05 0.00 0.02 99.90 17:44:01 2 0.08 0.00 0.03 0.00 0.13 99.75 17:44:01 3 0.05 0.00 0.05 0.00 0.00 99.90 17:45:01 all 0.12 0.00 0.04 0.00 0.15 99.69 17:45:01 0 0.13 0.00 0.03 0.00 0.20 99.63 17:45:01 1 0.07 0.00 0.03 0.00 0.18 99.72 17:45:01 2 0.22 0.00 0.07 0.00 0.15 99.57 17:45:01 3 0.05 0.00 0.03 0.00 0.05 99.87 17:46:01 all 3.78 0.00 2.91 1.65 9.74 81.92 17:46:01 0 3.16 0.00 2.42 1.21 10.42 82.79 17:46:01 1 2.96 0.00 3.09 1.66 9.97 82.31 17:46:01 2 4.69 0.00 2.88 2.06 9.34 81.03 17:46:01 3 4.36 0.00 3.26 1.67 9.22 81.50 Average: all 0.89 0.00 0.58 0.25 1.89 96.39 Average: 0 0.85 0.00 0.54 0.19 2.09 96.33 Average: 1 0.81 0.00 0.60 0.26 1.96 96.37 Average: 2 0.97 0.00 0.58 0.30 1.82 96.33 Average: 3 0.91 0.00 0.61 0.26 1.70 96.53