---> uname -a: Linux b0e9b7c33027 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 7.4G 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 7.4G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.4G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.4G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.4G 42.5G 15% /var/log/sa /dev/vda1 50.0G 7.4G 42.5G 15% /w/workspace/dry_go-mod-core-contracts_master /dev/vda1 50.0G 7.4G 42.5G 15% /w/workspace/dry_go-mod-core-contracts_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 704 88 0 1044 1071 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) 02/10/20 _x86_64_ (4 CPU) 16:45:54 LINUX RESTART 16:47:01 tps rtps wtps bread/s bwrtn/s 16:48:01 8.99 0.00 8.99 0.00 2642.32 16:49:01 0.23 0.00 0.23 0.00 3.60 16:50:01 0.42 0.00 0.42 0.00 4.28 16:51:01 0.62 0.00 0.62 0.00 7.20 16:52:01 0.80 0.00 0.80 0.00 10.09 16:53:01 1.93 1.53 0.40 194.90 7.23 16:54:01 357.51 153.47 204.04 6087.24 60199.62 Average: 52.98 22.16 30.81 898.32 8990.58 16:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:48:01 107648 1774656 94.28 2620 1249828 913960 31.18 419356 1197092 20 16:49:01 107808 1774496 94.27 2620 1249832 896640 30.59 419188 1196684 8 16:50:01 108060 1774244 94.26 2620 1249840 896640 30.59 419112 1196684 8 16:51:01 108428 1773876 94.24 2620 1249840 896616 30.59 419128 1196684 8 16:52:01 108272 1774032 94.25 2620 1249848 896664 30.59 419388 1196684 8 16:53:01 82508 1799796 95.62 2620 1257652 978472 33.38 431396 1201512 1968 16:54:01 66024 1816280 96.49 2620 1071000 997464 34.03 649008 869428 78048 Average: 98393 1783911 94.77 2620 1225406 925208 31.57 453797 1150681 11438 16:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:48:01 eth0 1.03 0.53 0.59 0.21 0.00 0.00 0.00 16:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:49:01 eth0 1.40 0.40 0.34 0.21 0.00 0.00 0.00 16:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 eth0 1.15 0.32 0.31 0.20 0.00 0.00 0.00 16:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:51:01 eth0 1.02 0.42 0.34 0.21 0.00 0.00 0.00 16:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:52:01 eth0 0.80 0.67 0.45 0.28 0.00 0.00 0.00 16:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:01 eth0 13.07 10.26 45.08 3.37 0.00 0.00 0.00 16:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:54:01 eth0 330.03 274.50 7168.66 63.46 0.00 0.00 0.00 16:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:54:01 veth19aff4b 34.39 40.58 2.32 236.37 0.00 0.00 0.00 16:54:01 docker0 42.12 47.08 2.95 262.03 0.00 0.00 0.00 Average: eth0 49.83 41.05 1031.85 9.71 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth19aff4b 4.92 5.80 0.33 33.80 0.00 0.00 0.00 Average: docker0 6.02 6.73 0.42 37.47 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) 02/10/20 _x86_64_ (4 CPU) 16:45:54 LINUX RESTART 16:47:01 CPU %user %nice %system %iowait %steal %idle 16:48:01 all 0.11 0.00 0.10 0.00 0.00 99.79 16:48:01 0 0.12 0.00 0.07 0.00 0.02 99.80 16:48:01 1 0.13 0.00 0.08 0.00 0.00 99.78 16:48:01 2 0.15 0.00 0.10 0.00 0.02 99.73 16:48:01 3 0.03 0.00 0.13 0.00 0.00 99.83 16:49:01 all 0.19 0.00 0.05 0.00 0.00 99.76 16:49:01 0 0.05 0.00 0.05 0.00 0.00 99.90 16:49:01 1 0.07 0.00 0.03 0.00 0.02 99.88 16:49:01 2 0.57 0.00 0.07 0.00 0.00 99.37 16:49:01 3 0.08 0.00 0.07 0.00 0.00 99.85 16:50:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:50:01 0 0.03 0.00 0.05 0.00 0.00 99.92 16:50:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:50:01 2 0.55 0.00 0.03 0.00 0.00 99.42 16:50:01 3 0.05 0.00 0.07 0.00 0.00 99.88 16:51:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:51:01 0 0.07 0.00 0.05 0.00 0.00 99.88 16:51:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:51:01 2 0.42 0.00 0.05 0.00 0.00 99.53 16:51:01 3 0.20 0.00 0.05 0.00 0.00 99.75 16:52:01 all 0.19 0.00 0.05 0.00 0.00 99.76 16:52:01 0 0.08 0.00 0.05 0.00 0.00 99.87 16:52:01 1 0.07 0.00 0.08 0.00 0.00 99.85 16:52:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:52:01 3 0.53 0.00 0.02 0.00 0.00 99.45 16:53:01 all 0.61 0.00 0.36 0.01 0.00 99.02 16:53:01 0 0.55 0.00 0.37 0.02 0.02 99.05 16:53:01 1 0.68 0.00 0.42 0.00 0.00 98.90 16:53:01 2 0.38 0.00 0.37 0.03 0.00 99.22 16:53:01 3 0.83 0.00 0.28 0.00 0.00 98.88 16:54:01 all 16.88 0.00 9.73 2.92 0.06 70.41 16:54:01 0 15.02 0.00 10.41 1.19 0.05 73.33 16:54:01 1 16.21 0.00 10.06 4.72 0.05 68.96 16:54:01 2 15.38 0.00 9.22 3.62 0.07 71.71 16:54:01 3 20.93 0.00 9.22 2.18 0.03 67.63 Average: all 2.58 0.00 1.46 0.41 0.01 95.54 Average: 0 2.24 0.00 1.55 0.17 0.01 96.02 Average: 1 2.43 0.00 1.52 0.66 0.01 95.38 Average: 2 2.46 0.00 1.39 0.51 0.01 95.62 Average: 3 3.18 0.00 1.38 0.31 0.00 95.13