---> uname -a: Linux cd4d692af18b 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: 2933.442 BogoMIPS: 5866.88 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 7.6G 42.4G 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/dry_go-mod-core-contracts_master /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/dry_go-mod-core-contracts_master@tmp /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 742 85 0 1010 1029 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) 05/11/20 _x86_64_ (4 CPU) 14:06:15 LINUX RESTART 14:07:01 tps rtps wtps bread/s bwrtn/s 14:08:01 15.17 2.50 12.67 425.24 2204.58 14:09:01 2.88 0.00 2.88 0.00 92.47 14:10:01 0.42 0.00 0.42 0.00 6.49 14:11:01 0.23 0.00 0.23 0.00 3.05 14:12:02 322.36 135.61 186.76 5410.85 57195.41 Average: 68.25 27.64 40.61 1167.91 11907.69 14:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:08:01 101428 1780876 94.61 2620 1227260 938660 32.03 447060 1169608 8 14:09:01 108504 1773800 94.24 2620 1227268 902088 30.78 441112 1169276 8 14:10:01 107636 1774668 94.28 2620 1227276 902316 30.79 442544 1169276 8 14:11:01 109056 1773248 94.21 2620 1227276 902088 30.78 441196 1169272 12 14:12:02 78424 1803880 95.83 2620 1106204 1146312 39.11 540936 993508 70816 Average: 101010 1781294 94.63 2620 1203057 958293 32.70 462570 1134188 14170 14:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:08:01 eth0 27.83 23.09 27.15 31.49 0.00 0.00 0.00 14:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:08:01 docker0 3.80 2.75 0.75 8.48 0.00 0.00 0.00 14:09:01 eth0 0.60 0.07 0.06 0.01 0.00 0.00 0.00 14:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 eth0 4.30 1.57 3.44 0.46 0.00 0.00 0.00 14:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:11:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 14:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:12:02 veth68595f0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:12:02 eth0 842.76 569.15 8054.60 133.41 0.00 0.00 0.00 14:12:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 14:12:02 vetha81bf56 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth68595f0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 168.66 113.90 1611.94 26.70 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: vetha81bf56 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) 05/11/20 _x86_64_ (4 CPU) 14:06:15 LINUX RESTART 14:07:01 CPU %user %nice %system %iowait %steal %idle 14:08:01 all 1.84 0.00 0.94 0.05 0.00 97.17 14:08:01 0 1.54 0.00 0.85 0.02 0.02 97.58 14:08:01 1 1.85 0.00 0.99 0.07 0.00 97.09 14:08:01 2 2.25 0.00 1.07 0.10 0.02 96.56 14:08:01 3 1.72 0.00 0.87 0.02 0.00 97.40 14:09:01 all 0.20 0.00 0.05 0.00 0.00 99.74 14:09:01 0 0.05 0.00 0.05 0.00 0.00 99.90 14:09:01 1 0.07 0.00 0.05 0.00 0.00 99.88 14:09:01 2 0.58 0.00 0.03 0.00 0.02 99.37 14:09:01 3 0.08 0.00 0.08 0.00 0.00 99.83 14:10:01 all 0.22 0.00 0.06 0.00 0.00 99.72 14:10:01 0 0.18 0.00 0.05 0.00 0.00 99.77 14:10:01 1 0.60 0.00 0.05 0.00 0.00 99.35 14:10:01 2 0.03 0.00 0.07 0.00 0.00 99.90 14:10:01 3 0.07 0.00 0.07 0.00 0.00 99.87 14:11:01 all 0.12 0.00 0.06 0.00 0.00 99.82 14:11:01 0 0.25 0.00 0.10 0.00 0.00 99.65 14:11:01 1 0.08 0.00 0.05 0.00 0.02 99.85 14:11:01 2 0.07 0.00 0.05 0.00 0.00 99.88 14:11:01 3 0.08 0.00 0.05 0.00 0.00 99.87 14:12:02 all 15.47 0.00 10.10 2.84 0.16 71.43 14:12:02 0 14.20 0.00 10.39 2.08 0.20 73.13 14:12:02 1 15.13 0.00 9.52 3.08 0.19 72.08 14:12:02 2 16.10 0.00 10.09 0.83 0.14 72.84 14:12:02 3 16.45 0.00 10.41 5.37 0.10 67.67 Average: all 3.52 0.00 2.21 0.57 0.03 93.66 Average: 0 3.20 0.00 2.26 0.41 0.04 94.09 Average: 1 3.51 0.00 2.11 0.62 0.04 93.72 Average: 2 3.76 0.00 2.23 0.18 0.03 93.79 Average: 3 3.63 0.00 2.26 1.06 0.02 93.03