---> uname -a: Linux cbd0895371da 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 741 103 0 993 1034 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) 21:20:25 LINUX RESTART 21:21:02 tps rtps wtps bread/s bwrtn/s 21:22:01 34.35 6.30 28.06 1923.06 2300.59 21:23:01 2.10 0.00 2.10 0.00 76.67 21:24:01 0.27 0.00 0.27 0.00 4.01 21:25:01 0.28 0.00 0.28 0.00 3.33 21:26:01 0.18 0.00 0.18 0.00 3.15 21:27:01 0.38 0.00 0.38 0.00 4.88 21:28:01 0.27 0.00 0.27 0.00 3.73 21:29:01 264.94 120.15 144.79 4553.88 50415.36 Average: 37.88 15.84 22.04 807.83 6615.88 21:21:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:22:01 115184 1767120 93.88 2620 1211492 926312 31.61 451876 1156984 20 21:23:01 120948 1761356 93.57 2620 1211496 904044 30.85 447024 1156684 12 21:24:01 120052 1762252 93.62 2620 1211504 904212 30.85 448116 1156684 8 21:25:01 121176 1761128 93.56 2620 1211504 904044 30.85 447196 1156684 8 21:26:01 120192 1762112 93.61 2620 1211512 904236 30.85 448284 1156684 8 21:27:01 120664 1761640 93.59 2620 1211516 904100 30.85 447320 1156684 8 21:28:01 121232 1761072 93.56 2620 1211520 904040 30.85 447248 1156684 8 21:29:01 76124 1806180 95.96 2572 1090808 1132380 38.64 617596 912216 115116 Average: 114447 1767858 93.92 2614 1196419 935421 31.92 469333 1126163 14399 21:21:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:22:01 eth0 127.77 101.71 442.42 52.47 0.00 0.00 0.00 21:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 docker0 3.59 2.81 0.66 8.58 0.00 0.00 0.00 21:23:01 eth0 0.60 0.08 0.04 0.01 0.00 0.00 0.00 21:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:01 eth0 0.92 0.38 0.29 0.20 0.00 0.00 0.00 21:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 eth0 0.53 0.08 0.06 0.01 0.00 0.00 0.00 21:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:26:01 eth0 0.80 0.72 0.48 0.28 0.00 0.00 0.00 21:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:27:01 eth0 0.20 0.13 0.07 0.01 0.00 0.00 0.00 21:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:28:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 21:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:29:01 eth0 286.17 237.47 6950.02 31.94 0.00 0.00 0.00 21:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:29:01 docker0 3.88 3.26 0.40 14.93 0.00 0.00 0.00 Average: eth0 52.01 42.49 925.93 10.53 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.93 0.76 0.13 2.93 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) 21:20:25 LINUX RESTART 21:21:02 CPU %user %nice %system %iowait %steal %idle 21:22:01 all 3.32 0.00 1.39 0.53 0.01 94.75 21:22:01 0 2.70 0.00 1.48 0.05 0.00 95.76 21:22:01 1 3.23 0.00 1.19 0.17 0.02 95.40 21:22:01 2 3.44 0.00 1.29 1.77 0.02 93.49 21:22:01 3 3.91 0.00 1.60 0.14 0.02 94.34 21:23:01 all 0.18 0.00 0.05 0.00 0.00 99.76 21:23:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:23:01 1 0.12 0.00 0.08 0.00 0.00 99.80 21:23:01 2 0.07 0.00 0.03 0.00 0.00 99.90 21:23:01 3 0.52 0.00 0.07 0.00 0.00 99.42 21:24:01 all 0.21 0.00 0.05 0.00 0.00 99.75 21:24:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:24:01 1 0.60 0.00 0.07 0.00 0.00 99.33 21:24:01 2 0.10 0.00 0.03 0.00 0.00 99.87 21:24:01 3 0.12 0.00 0.05 0.00 0.00 99.83 21:25:01 all 0.12 0.00 0.05 0.00 0.00 99.83 21:25:01 0 0.05 0.00 0.03 0.00 0.00 99.92 21:25:01 1 0.33 0.00 0.07 0.00 0.00 99.60 21:25:01 2 0.07 0.00 0.05 0.00 0.00 99.88 21:25:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:26:01 all 0.07 0.00 0.04 0.00 0.00 99.89 21:26:01 0 0.05 0.00 0.05 0.00 0.00 99.90 21:26:01 1 0.12 0.00 0.07 0.00 0.00 99.82 21:26:01 2 0.07 0.00 0.05 0.00 0.00 99.88 21:26:01 3 0.02 0.00 0.03 0.00 0.00 99.95 21:27:01 all 0.08 0.00 0.04 0.00 0.00 99.88 21:27:01 0 0.07 0.00 0.05 0.00 0.00 99.88 21:27:01 1 0.17 0.00 0.05 0.00 0.00 99.78 21:27:01 2 0.07 0.00 0.05 0.00 0.00 99.88 21:27:01 3 0.02 0.00 0.00 0.00 0.00 99.98 21:28:01 all 0.17 0.00 0.04 0.00 0.00 99.79 21:28:01 0 0.07 0.00 0.05 0.00 0.00 99.88 21:28:01 1 0.53 0.00 0.05 0.00 0.00 99.42 21:28:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:28:01 3 0.07 0.00 0.07 0.00 0.00 99.87 21:29:01 all 13.29 0.00 6.96 1.35 0.03 78.37 21:29:01 0 13.26 0.00 7.46 2.38 0.03 76.87 21:29:01 1 13.40 0.00 6.40 1.15 0.03 79.02 21:29:01 2 13.12 0.00 6.98 0.98 0.03 78.89 21:29:01 3 13.41 0.00 6.98 0.90 0.02 78.69 Average: all 2.16 0.00 1.07 0.23 0.01 96.53 Average: 0 2.01 0.00 1.14 0.30 0.00 96.54 Average: 1 2.29 0.00 0.99 0.16 0.01 96.55 Average: 2 2.10 0.00 1.05 0.34 0.01 96.50 Average: 3 2.24 0.00 1.09 0.13 0.00 96.54