---> uname -a: Linux 298bb31e90c8 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 746 75 0 1016 1023 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) 04/07/20 _x86_64_ (4 CPU) 14:57:34 LINUX RESTART 14:58:01 tps rtps wtps bread/s bwrtn/s 14:59:01 51.75 13.81 37.93 2665.78 3727.11 15:00:01 3.76 0.00 3.76 0.00 119.86 15:01:01 0.32 0.02 0.30 0.13 4.26 15:02:01 158.74 95.62 63.12 3535.82 25795.06 15:03:01 185.17 56.75 128.42 2812.19 32611.97 Average: 79.96 33.25 46.71 1803.05 12453.05 14:58:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:59:01 90136 1792168 95.21 2620 1245972 938284 32.01 443272 1187140 16 15:00:01 97100 1785204 94.84 2620 1246068 902420 30.79 440152 1186892 28 15:01:01 94988 1787316 94.95 2620 1246016 905060 30.88 442008 1186868 16 15:02:01 112520 1769784 94.02 2620 1188984 968940 33.06 397544 1185536 67664 15:03:01 249048 1633256 86.77 2620 913384 1039344 35.46 540784 809528 1732 Average: 128758 1753546 93.16 2620 1168085 950810 32.44 452752 1111193 13891 14:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:59:01 eth0 417.78 269.27 996.24 92.70 0.00 0.00 0.00 14:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 docker0 3.79 2.98 0.72 8.31 0.00 0.00 0.00 15:00:01 eth0 0.12 0.10 0.01 0.01 0.00 0.00 0.00 15:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 eth0 1.05 0.72 0.64 0.20 0.00 0.00 0.00 15:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 vethe34e137 0.00 0.05 0.00 0.00 0.00 0.00 0.00 15:02:01 eth0 594.64 399.20 4551.53 108.92 0.00 0.00 0.00 15:02:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 15:02:01 docker0 3.79 2.98 0.72 8.31 0.00 0.00 0.00 15:03:01 eth0 245.30 196.04 3509.42 84.87 0.00 0.00 0.00 15:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 vetha54100f 0.92 0.75 0.19 0.19 0.00 0.00 0.00 15:03:01 docker0 34.34 38.85 2.09 261.64 0.00 0.00 0.00 Average: eth0 160.38 115.12 1601.19 38.36 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vetha54100f 0.18 0.15 0.04 0.04 0.00 0.00 0.00 Average: docker0 7.63 8.37 0.56 53.99 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) 04/07/20 _x86_64_ (4 CPU) 14:57:34 LINUX RESTART 14:58:01 CPU %user %nice %system %iowait %steal %idle 14:59:01 all 11.86 0.00 3.45 1.29 0.03 83.37 14:59:01 0 11.32 0.00 4.50 0.27 0.03 83.87 14:59:01 1 12.17 0.00 2.71 0.32 0.03 84.77 14:59:01 2 11.82 0.00 2.99 0.27 0.02 84.90 14:59:01 3 12.11 0.00 3.60 4.32 0.05 79.91 15:00:01 all 0.21 0.00 0.07 0.00 0.00 99.72 15:00:01 0 0.10 0.00 0.05 0.00 0.00 99.85 15:00:01 1 0.08 0.00 0.05 0.00 0.00 99.87 15:00:01 2 0.57 0.00 0.07 0.00 0.00 99.37 15:00:01 3 0.10 0.00 0.08 0.00 0.00 99.82 15:01:01 all 0.19 0.00 0.07 0.00 0.00 99.74 15:01:01 0 0.05 0.00 0.08 0.00 0.00 99.87 15:01:01 1 0.57 0.00 0.05 0.02 0.00 99.37 15:01:01 2 0.08 0.00 0.08 0.00 0.00 99.83 15:01:01 3 0.08 0.00 0.08 0.00 0.00 99.83 15:02:01 all 6.16 0.00 3.78 1.39 0.02 88.65 15:02:01 0 5.99 0.00 3.36 1.68 0.02 88.95 15:02:01 1 5.98 0.00 4.04 1.39 0.00 88.60 15:02:01 2 6.28 0.00 3.72 1.29 0.00 88.71 15:02:01 3 6.42 0.00 4.00 1.21 0.02 88.36 15:03:01 all 12.74 0.00 7.85 3.15 0.02 76.24 15:03:01 0 11.65 0.00 8.36 6.78 0.02 73.19 15:03:01 1 16.05 0.00 7.53 2.54 0.02 73.87 15:03:01 2 12.91 0.00 8.56 1.10 0.03 77.40 15:03:01 3 10.33 0.00 6.94 2.17 0.03 80.52 Average: all 6.20 0.00 3.03 1.16 0.01 89.60 Average: 0 5.80 0.00 3.25 1.73 0.01 89.21 Average: 1 6.93 0.00 2.86 0.85 0.01 89.35 Average: 2 6.31 0.00 3.07 0.53 0.01 90.08 Average: 3 5.78 0.00 2.92 1.53 0.02 89.74