---> uname -a: Linux 4bbc3ea9a709 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 6.3G 43.7G 13% / 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 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-210 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-210@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 595 74 0 1168 1139 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 6: eth0@if7: 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) 01/30/20 _x86_64_ (4 CPU) 23:04:25 LINUX RESTART 23:05:01 tps rtps wtps bread/s bwrtn/s 23:06:02 33.74 6.00 27.74 1839.80 2003.60 23:07:01 2.66 0.00 2.66 0.00 86.33 23:08:01 0.65 0.00 0.65 0.00 7.69 23:09:01 0.65 0.00 0.65 0.00 7.79 23:10:01 0.60 0.00 0.60 0.00 7.53 23:11:01 0.32 0.00 0.32 0.00 3.53 23:12:01 0.28 0.00 0.28 0.00 3.55 23:13:01 9.18 8.43 0.75 1050.10 8.81 Average: 6.02 1.81 4.21 362.03 266.52 23:05:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:06:02 121976 1760328 93.52 2620 1231852 956088 32.62 412700 1187868 8 23:07:01 128832 1753472 93.16 2620 1231856 925604 31.58 408868 1186172 16 23:08:01 128736 1753568 93.16 2620 1231864 925628 31.58 409028 1186172 8 23:09:01 129680 1752624 93.11 2620 1231864 907256 30.96 412668 1181600 8 23:10:01 130228 1752076 93.08 2620 1231872 907232 30.95 412440 1181604 12 23:11:01 130260 1752044 93.08 2620 1231876 907244 30.95 412500 1181600 20 23:12:01 131112 1751192 93.03 2620 1231876 907088 30.95 411668 1181596 12 23:13:01 87812 1794492 95.33 2620 1263580 932428 31.81 417924 1211384 180 Average: 123580 1758725 93.43 2620 1235830 921071 31.43 412225 1187250 33 23:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:06:02 eth0 121.48 95.75 433.18 51.68 0.00 0.00 0.00 23:06:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:02 docker0 2.90 2.08 0.61 7.53 0.00 0.00 0.00 23:07:01 eth0 1.76 0.64 0.62 0.44 0.00 0.00 0.00 23:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 eth0 1.28 0.30 0.33 0.20 0.00 0.00 0.00 23:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 eth0 1.85 0.32 0.37 0.20 0.00 0.00 0.00 23:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 eth0 2.42 0.70 0.74 0.46 0.00 0.00 0.00 23:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 eth0 0.78 0.30 0.28 0.20 0.00 0.00 0.00 23:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 eth0 0.33 0.08 0.02 0.01 0.00 0.00 0.00 23:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 eth0 6.88 4.50 7.00 2.46 0.00 0.00 0.00 23:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 17.13 12.85 55.44 6.97 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.36 0.26 0.08 0.94 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) 01/30/20 _x86_64_ (4 CPU) 23:04:25 LINUX RESTART 23:05:01 CPU %user %nice %system %iowait %steal %idle 23:06:02 all 3.46 0.00 1.44 0.97 0.00 94.12 23:06:02 0 3.13 0.00 1.76 3.03 0.00 92.08 23:06:02 1 3.11 0.00 1.27 0.70 0.02 94.90 23:06:02 2 4.03 0.00 1.19 0.10 0.02 94.66 23:06:02 3 3.60 0.00 1.57 0.05 0.00 94.78 23:07:01 all 0.20 0.00 0.05 0.00 0.00 99.75 23:07:01 0 0.08 0.00 0.03 0.00 0.00 99.88 23:07:01 1 0.53 0.00 0.03 0.00 0.00 99.44 23:07:01 2 0.12 0.00 0.05 0.00 0.00 99.83 23:07:01 3 0.05 0.00 0.05 0.00 0.00 99.90 23:08:01 all 0.18 0.00 0.04 0.00 0.00 99.78 23:08:01 0 0.52 0.00 0.03 0.00 0.00 99.45 23:08:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:08:01 2 0.08 0.00 0.07 0.00 0.00 99.85 23:08:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:09:01 all 0.18 0.00 0.04 0.00 0.00 99.77 23:09:01 0 0.52 0.00 0.02 0.00 0.00 99.47 23:09:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:09:01 2 0.08 0.00 0.03 0.00 0.00 99.88 23:09:01 3 0.08 0.00 0.08 0.00 0.00 99.83 23:10:01 all 0.18 0.00 0.05 0.00 0.00 99.77 23:10:01 0 0.53 0.00 0.05 0.00 0.00 99.42 23:10:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:10:01 2 0.07 0.00 0.07 0.00 0.00 99.87 23:10:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:11:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:11:01 0 0.55 0.00 0.03 0.00 0.00 99.42 23:11:01 1 0.05 0.00 0.05 0.00 0.00 99.90 23:11:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:11:01 3 0.05 0.00 0.03 0.00 0.00 99.92 23:12:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:12:01 0 0.50 0.00 0.02 0.00 0.00 99.48 23:12:01 1 0.05 0.00 0.05 0.00 0.00 99.90 23:12:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:12:01 3 0.05 0.00 0.05 0.00 0.00 99.90 23:13:01 all 0.52 0.00 0.34 0.14 0.00 99.00 23:13:01 0 0.42 0.00 0.35 0.02 0.00 99.22 23:13:01 1 0.20 0.00 0.30 0.02 0.00 99.48 23:13:01 2 1.05 0.00 0.43 0.52 0.00 98.00 23:13:01 3 0.42 0.00 0.32 0.02 0.02 99.23 Average: all 0.63 0.00 0.26 0.14 0.00 98.97 Average: 0 0.78 0.00 0.29 0.38 0.00 98.55 Average: 1 0.51 0.00 0.23 0.09 0.00 99.17 Average: 2 0.69 0.00 0.24 0.08 0.00 98.99 Average: 3 0.55 0.00 0.28 0.01 0.00 99.17