---> uname -a: Linux e64cfce2ef9b 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/dry_go-mod-core-contracts_PR-236 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/dry_go-mod-core-contracts_PR-236@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 601 74 0 1161 1131 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) 04/22/20 _x86_64_ (4 CPU) 14:15:40 LINUX RESTART 14:16:03 tps rtps wtps bread/s bwrtn/s 14:17:01 81.99 38.99 43.00 5126.09 5434.08 14:18:01 3.78 0.00 3.78 0.00 114.84 14:19:01 0.27 0.00 0.27 0.00 4.05 14:20:01 0.32 0.00 0.32 0.00 3.75 14:21:01 0.23 0.00 0.23 0.00 3.46 Average: 16.89 7.59 9.30 998.10 1083.45 14:16:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:17:01 111008 1771296 94.10 2620 1226128 946896 32.31 435140 1169780 20 14:18:01 112568 1769736 94.02 2620 1226160 946908 32.31 436036 1169632 8 14:19:01 119200 1763104 93.67 2620 1226172 910352 31.06 430312 1169620 16 14:20:01 118580 1763724 93.70 2620 1226172 910608 31.07 431440 1169620 8 14:21:01 119848 1762456 93.63 2620 1226180 910416 31.06 430428 1169620 8 Average: 116241 1766063 93.82 2620 1226162 925036 31.56 432671 1169654 12 14:16:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:17:01 eth0 422.83 276.01 1054.06 99.67 0.00 0.00 0.00 14:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:17:01 docker0 4.17 3.05 0.79 8.84 0.00 0.00 0.00 14:18:01 eth0 1.67 0.80 0.82 0.62 0.00 0.00 0.00 14:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:19:01 eth0 0.70 0.08 0.06 0.01 0.00 0.00 0.00 14:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 eth0 0.70 0.52 0.43 0.21 0.00 0.00 0.00 14:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:21:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 14:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 82.97 54.04 205.50 19.58 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.81 0.59 0.15 1.72 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) 04/22/20 _x86_64_ (4 CPU) 14:15:40 LINUX RESTART 14:16:03 CPU %user %nice %system %iowait %steal %idle 14:17:01 all 15.29 0.00 6.17 2.24 0.04 76.25 14:17:01 0 15.64 0.00 6.00 1.40 0.05 76.91 14:17:01 1 14.30 0.00 6.61 4.60 0.05 74.44 14:17:01 2 16.98 0.00 5.94 1.91 0.05 75.11 14:17:01 3 14.21 0.00 6.11 1.05 0.04 78.59 14:18:01 all 0.21 0.00 0.08 0.00 0.03 99.67 14:18:01 0 0.08 0.00 0.03 0.00 0.02 99.87 14:18:01 1 0.08 0.00 0.05 0.00 0.03 99.83 14:18:01 2 0.55 0.00 0.08 0.00 0.03 99.33 14:18:01 3 0.17 0.00 0.17 0.00 0.05 99.62 14:19:01 all 0.15 0.00 0.06 0.00 0.00 99.79 14:19:01 0 0.07 0.00 0.05 0.00 0.00 99.88 14:19:01 1 0.07 0.00 0.07 0.00 0.00 99.87 14:19:01 2 0.35 0.00 0.08 0.00 0.00 99.57 14:19:01 3 0.07 0.00 0.05 0.00 0.00 99.88 14:20:01 all 0.12 0.00 0.07 0.00 0.01 99.80 14:20:01 0 0.07 0.00 0.03 0.00 0.00 99.90 14:20:01 1 0.08 0.00 0.05 0.00 0.00 99.87 14:20:01 2 0.23 0.00 0.08 0.00 0.00 99.68 14:20:01 3 0.12 0.00 0.08 0.00 0.02 99.78 14:21:01 all 0.18 0.00 0.05 0.00 0.01 99.75 14:21:01 0 0.12 0.00 0.05 0.00 0.00 99.83 14:21:01 1 0.07 0.00 0.07 0.00 0.02 99.85 14:21:01 2 0.48 0.00 0.05 0.00 0.02 99.45 14:21:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 3.08 0.00 1.24 0.43 0.02 95.22 Average: 0 3.08 0.00 1.19 0.27 0.01 95.45 Average: 1 2.82 0.00 1.32 0.89 0.02 94.95 Average: 2 3.61 0.00 1.21 0.37 0.02 94.79 Average: 3 2.82 0.00 1.25 0.20 0.02 95.72