---> uname -a: Linux 1f9daceda3d5 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: 2933.436 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 729 85 0 1022 1045 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) 01/23/20 _x86_64_ (4 CPU) 01:00:49 LINUX RESTART 01:02:01 tps rtps wtps bread/s bwrtn/s 01:03:01 3.91 0.00 3.91 0.00 120.30 01:04:01 0.72 0.00 0.72 0.00 8.64 01:05:01 0.45 0.00 0.45 0.00 6.28 01:06:01 0.15 0.00 0.15 0.00 1.78 01:07:01 0.28 0.00 0.28 0.00 4.31 01:08:01 275.88 120.21 155.67 4748.54 49036.12 01:09:01 205.09 100.42 104.67 5799.83 26588.84 Average: 69.65 31.59 38.07 1509.74 10850.76 01:02:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:03:01 116948 1765356 93.79 2620 1215552 906564 30.93 435104 1173532 8 01:04:01 115968 1766336 93.84 2620 1215560 906840 30.94 436808 1173184 16 01:05:01 115996 1766308 93.84 2620 1215568 906768 30.94 436568 1173184 12 01:06:01 116888 1765416 93.79 2620 1215568 906720 30.94 436268 1173184 20 01:07:01 116540 1765764 93.81 2620 1215576 906696 30.94 436068 1173184 12 01:08:01 71024 1811280 96.23 2620 1106332 1155928 39.44 599580 944624 46504 01:09:01 120428 1761876 93.60 2488 1044876 1041332 35.53 568932 890656 72276 Average: 110542 1771762 94.13 2601 1175576 961550 32.81 478475 1100221 16978 01:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:03:01 eth0 0.83 0.08 0.07 0.01 0.00 0.00 0.00 01:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 eth0 1.60 0.72 0.59 0.37 0.00 0.00 0.00 01:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 eth0 1.95 0.55 0.67 0.39 0.00 0.00 0.00 01:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 eth0 0.60 0.53 0.30 0.22 0.00 0.00 0.00 01:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:07:01 eth0 0.37 0.28 0.17 0.11 0.00 0.00 0.00 01:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:08:01 eth0 313.74 251.21 6939.75 65.76 0.00 0.00 0.00 01:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:08:01 docker0 12.33 15.40 1.08 23.78 0.00 0.00 0.00 01:09:01 veth3c1506f 0.00 0.03 0.00 0.00 0.00 0.00 0.00 01:09:01 eth0 978.43 709.50 10398.00 229.31 0.00 0.00 0.00 01:09:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 01:09:01 docker0 72.98 101.90 4.98 256.13 0.00 0.00 0.00 Average: veth3c1506f 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 139.84 101.40 1486.10 32.77 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.43 14.56 0.71 36.61 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) 01/23/20 _x86_64_ (4 CPU) 01:00:49 LINUX RESTART 01:02:01 CPU %user %nice %system %iowait %steal %idle 01:03:01 all 0.15 0.00 0.08 0.00 0.03 99.75 01:03:01 0 0.38 0.00 0.03 0.00 0.03 99.55 01:03:01 1 0.10 0.00 0.10 0.00 0.05 99.75 01:03:01 2 0.05 0.00 0.08 0.00 0.02 99.85 01:03:01 3 0.05 0.00 0.07 0.00 0.02 99.87 01:04:01 all 0.15 0.00 0.05 0.00 0.03 99.77 01:04:01 0 0.37 0.00 0.05 0.00 0.03 99.55 01:04:01 1 0.08 0.00 0.07 0.00 0.03 99.82 01:04:01 2 0.10 0.00 0.05 0.00 0.00 99.85 01:04:01 3 0.05 0.00 0.03 0.00 0.02 99.90 01:05:01 all 0.16 0.00 0.05 0.00 0.12 99.67 01:05:01 0 0.43 0.00 0.02 0.00 0.13 99.42 01:05:01 1 0.03 0.00 0.05 0.00 0.10 99.82 01:05:01 2 0.10 0.00 0.07 0.00 0.15 99.68 01:05:01 3 0.05 0.00 0.05 0.00 0.15 99.75 01:06:01 all 0.17 0.00 0.04 0.00 0.12 99.68 01:06:01 0 0.50 0.00 0.03 0.00 0.08 99.38 01:06:01 1 0.10 0.00 0.05 0.00 0.03 99.82 01:06:01 2 0.05 0.00 0.03 0.00 0.17 99.75 01:06:01 3 0.05 0.00 0.03 0.00 0.15 99.77 01:07:01 all 0.15 0.00 0.05 0.00 0.05 99.75 01:07:01 0 0.37 0.00 0.03 0.00 0.05 99.55 01:07:01 1 0.07 0.00 0.05 0.00 0.03 99.85 01:07:01 2 0.13 0.00 0.05 0.00 0.10 99.72 01:07:01 3 0.03 0.00 0.03 0.00 0.05 99.88 01:08:01 all 13.62 0.00 9.04 2.08 3.13 72.13 01:08:01 0 13.72 0.00 8.83 3.26 3.16 71.03 01:08:01 1 14.09 0.00 9.63 2.76 2.93 70.59 01:08:01 2 13.34 0.00 8.87 1.44 3.21 73.14 01:08:01 3 13.34 0.00 8.86 0.86 3.20 73.74 01:09:01 all 11.37 0.00 7.24 2.71 2.81 75.86 01:09:01 0 10.03 0.00 7.67 0.90 2.62 78.79 01:09:01 1 8.75 0.00 5.71 1.58 2.99 80.97 01:09:01 2 14.08 0.00 6.79 3.93 2.92 72.28 01:09:01 3 12.65 0.00 8.83 4.44 2.70 71.38 Average: all 3.61 0.00 2.31 0.67 0.88 92.53 Average: 0 3.61 0.00 2.32 0.58 0.85 92.64 Average: 1 3.26 0.00 2.20 0.61 0.87 93.06 Average: 2 3.90 0.00 2.23 0.75 0.92 92.19 Average: 3 3.66 0.00 2.50 0.74 0.88 92.23