---> uname -a: Linux c447dfa5cb4b 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 7.5G 42.5G 15% / 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 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/dry_go-mod-core-contracts_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/dry_go-mod-core-contracts_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 719 101 0 1016 1057 Swap: 1023 1 1022 ---> 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 16: eth0@if17: 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) 02/25/20 _x86_64_ (4 CPU) 19:08:00 LINUX RESTART 19:09:01 tps rtps wtps bread/s bwrtn/s 19:10:01 15.42 0.00 15.42 0.00 2035.17 19:11:01 0.38 0.00 0.38 0.00 5.08 19:12:01 0.65 0.00 0.65 0.00 8.23 19:13:01 0.67 0.00 0.67 0.00 8.09 19:14:01 12.71 3.73 8.98 352.91 4281.43 19:15:01 356.45 160.21 196.24 6421.69 55766.78 Average: 64.43 27.35 37.09 1130.08 10359.22 19:09:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:01 120444 1761860 93.60 2620 1225084 903648 30.83 437784 1165852 8 19:11:01 119040 1763264 93.68 2620 1225088 903708 30.83 439544 1165420 8 19:12:01 118272 1764032 93.72 2620 1225092 903968 30.84 440564 1165420 8 19:13:01 119624 1762680 93.64 2620 1225096 903716 30.83 439248 1165376 8 19:14:01 77468 1804836 95.88 2620 1224544 1095476 37.38 478432 1157796 98356 19:15:01 242252 1640052 87.13 2620 936212 1034320 35.29 526788 819420 100 Average: 132850 1749454 92.94 2620 1176853 957473 32.67 460393 1106547 16415 19:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:10:01 eth0 0.67 0.08 0.04 0.03 0.00 0.00 0.00 19:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:11:01 eth0 0.75 0.15 0.15 0.01 0.00 0.00 0.00 19:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 eth0 0.82 0.72 0.53 0.40 0.00 0.00 0.00 19:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 19:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:01 eth0 169.94 142.85 3468.32 12.89 0.00 0.00 0.00 19:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:15:01 vethc46a9be 0.03 0.13 0.00 0.01 0.00 0.00 0.00 19:15:01 eth0 919.75 697.67 8282.36 188.15 0.00 0.00 0.00 19:15:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 19:15:01 docker0 28.88 31.87 2.37 261.25 0.00 0.00 0.00 Average: vethc46a9be 0.01 0.02 0.00 0.00 0.00 0.00 0.00 Average: eth0 153.43 116.38 1381.66 31.39 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 4.82 5.32 0.40 43.58 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) 02/25/20 _x86_64_ (4 CPU) 19:08:00 LINUX RESTART 19:09:01 CPU %user %nice %system %iowait %steal %idle 19:10:01 all 0.21 0.00 0.09 0.00 0.00 99.70 19:10:01 0 0.15 0.00 0.03 0.00 0.00 99.82 19:10:01 1 0.25 0.00 0.13 0.00 0.00 99.62 19:10:01 2 0.35 0.00 0.08 0.00 0.00 99.57 19:10:01 3 0.08 0.00 0.12 0.00 0.00 99.80 19:11:01 all 0.19 0.00 0.05 0.00 0.00 99.75 19:11:01 0 0.53 0.00 0.03 0.00 0.00 99.43 19:11:01 1 0.07 0.00 0.10 0.00 0.00 99.83 19:11:01 2 0.07 0.00 0.05 0.00 0.00 99.88 19:11:01 3 0.08 0.00 0.03 0.00 0.00 99.88 19:12:01 all 0.13 0.00 0.05 0.00 0.00 99.82 19:12:01 0 0.28 0.00 0.03 0.00 0.00 99.68 19:12:01 1 0.12 0.00 0.03 0.00 0.00 99.85 19:12:01 2 0.07 0.00 0.05 0.00 0.00 99.88 19:12:01 3 0.07 0.00 0.05 0.00 0.00 99.88 19:13:01 all 0.05 0.00 0.04 0.00 0.00 99.90 19:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:13:01 1 0.07 0.00 0.07 0.00 0.00 99.87 19:13:01 2 0.07 0.00 0.05 0.00 0.00 99.88 19:13:01 3 0.05 0.00 0.05 0.00 0.00 99.90 19:14:01 all 1.49 0.00 0.91 0.21 0.00 97.39 19:14:01 0 1.49 0.00 1.00 0.02 0.02 97.48 19:14:01 1 1.65 0.00 0.87 0.02 0.00 97.47 19:14:01 2 1.21 0.00 1.01 0.15 0.02 97.62 19:14:01 3 1.62 0.00 0.73 0.67 0.00 96.98 19:15:01 all 16.89 0.00 8.89 2.75 0.04 71.42 19:15:01 0 17.88 0.00 8.37 1.73 0.05 71.97 19:15:01 1 15.66 0.00 8.36 3.46 0.05 72.46 19:15:01 2 17.86 0.00 8.75 3.01 0.03 70.34 19:15:01 3 16.17 0.00 10.06 2.82 0.02 70.93 Average: all 3.12 0.00 1.65 0.49 0.01 94.73 Average: 0 3.35 0.00 1.56 0.29 0.01 94.79 Average: 1 2.93 0.00 1.57 0.57 0.01 94.91 Average: 2 3.24 0.00 1.65 0.52 0.01 94.57 Average: 3 2.97 0.00 1.82 0.57 0.00 94.63