---> uname -a: Linux de7aa1d4e134 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 75 0 1021 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) 03/31/20 _x86_64_ (4 CPU) 22:28:12 LINUX RESTART 22:29:01 tps rtps wtps bread/s bwrtn/s 22:30:01 16.88 3.23 13.65 598.73 2245.15 22:31:01 2.50 0.00 2.50 0.00 90.40 22:32:01 0.32 0.00 0.32 0.00 4.33 22:33:01 0.30 0.00 0.30 0.00 3.71 22:34:01 248.26 121.37 126.90 4825.42 44782.56 22:35:02 216.94 78.30 138.64 5219.10 33738.01 Average: 81.06 33.91 47.15 1777.50 13512.53 22:29:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:01 122840 1759464 93.47 2620 1205416 954424 32.56 428368 1171700 12 22:31:01 128960 1753344 93.15 2620 1205420 907544 30.96 428852 1167004 16 22:32:01 127676 1754628 93.22 2620 1205432 907796 30.97 431376 1165916 8 22:33:01 129264 1753040 93.13 2620 1205432 907544 30.96 430008 1165912 20 22:34:01 78628 1803676 95.82 2620 1146044 1118916 38.18 557676 1037000 70592 22:35:02 123584 1758720 93.43 2444 1041428 982692 33.53 573140 901172 82612 Average: 118492 1763812 93.70 2591 1168195 963153 32.86 474903 1101451 25543 22:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:30:01 eth0 53.53 42.97 335.61 31.91 0.00 0.00 0.00 22:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 docker0 3.00 2.28 0.66 8.25 0.00 0.00 0.00 22:31:01 eth0 0.62 0.08 0.06 0.01 0.00 0.00 0.00 22:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 eth0 1.68 1.07 0.91 0.43 0.00 0.00 0.00 22:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 eth0 0.07 0.05 0.01 0.00 0.00 0.00 0.00 22:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 eth0 286.31 235.19 6678.07 30.14 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 3.48 2.95 0.37 14.76 0.00 0.00 0.00 22:35:02 eth0 214.68 168.73 2634.40 75.44 0.00 0.00 0.00 22:35:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:02 docker0 32.14 36.48 2.02 250.71 0.00 0.00 0.00 Average: eth0 93.03 74.86 1613.59 23.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.43 6.95 0.51 45.61 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) 03/31/20 _x86_64_ (4 CPU) 22:28:12 LINUX RESTART 22:29:01 CPU %user %nice %system %iowait %steal %idle 22:30:01 all 2.81 0.00 1.28 0.08 0.01 95.82 22:30:01 0 2.88 0.00 1.32 0.13 0.00 95.67 22:30:01 1 2.91 0.00 1.27 0.08 0.02 95.72 22:30:01 2 2.67 0.00 1.20 0.08 0.02 96.03 22:30:01 3 2.77 0.00 1.37 0.07 0.00 95.79 22:31:01 all 0.19 0.00 0.06 0.00 0.00 99.74 22:31:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:31:01 1 0.05 0.00 0.05 0.00 0.00 99.90 22:31:01 2 0.55 0.00 0.07 0.00 0.02 99.37 22:31:01 3 0.12 0.00 0.08 0.00 0.00 99.80 22:32:01 all 0.16 0.00 0.07 0.00 0.00 99.77 22:32:01 0 0.07 0.00 0.07 0.00 0.00 99.87 22:32:01 1 0.07 0.00 0.07 0.00 0.00 99.87 22:32:01 2 0.43 0.00 0.07 0.00 0.00 99.50 22:32:01 3 0.08 0.00 0.08 0.00 0.00 99.83 22:33:01 all 0.17 0.00 0.05 0.00 0.00 99.77 22:33:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:33:01 1 0.05 0.00 0.03 0.00 0.00 99.92 22:33:01 2 0.53 0.00 0.05 0.00 0.00 99.42 22:33:01 3 0.07 0.00 0.10 0.00 0.00 99.83 22:34:01 all 12.00 0.00 7.02 1.99 0.03 78.96 22:34:01 0 12.11 0.00 7.52 3.03 0.03 77.30 22:34:01 1 11.82 0.00 6.17 1.32 0.02 80.67 22:34:01 2 12.78 0.00 7.44 2.13 0.05 77.60 22:34:01 3 11.31 0.00 6.92 1.46 0.03 80.27 22:35:02 all 11.80 0.00 7.60 3.66 0.04 76.91 22:35:02 0 15.09 0.00 8.08 6.20 0.05 70.58 22:35:02 1 12.47 0.00 7.78 4.84 0.03 74.88 22:35:02 2 9.65 0.00 7.67 1.80 0.02 80.86 22:35:02 3 9.95 0.00 6.89 1.77 0.05 81.34 Average: all 4.50 0.00 2.66 0.95 0.01 91.88 Average: 0 5.01 0.00 2.82 1.55 0.01 90.60 Average: 1 4.54 0.00 2.55 1.03 0.01 91.87 Average: 2 4.42 0.00 2.73 0.66 0.02 92.17 Average: 3 4.02 0.00 2.56 0.54 0.01 92.86