---> uname -a: Linux 63b407da130c 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 7.0G 42.9G 14% / 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 7.0G 42.9G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 42.9G 14% /etc/hostname /dev/vda1 50.0G 7.0G 42.9G 14% /etc/hosts /dev/vda1 50.0G 7.0G 42.9G 14% /var/log/sa /dev/vda1 50.0G 7.0G 42.9G 14% /w/workspace/go-mod-core-contracts/1 /dev/vda1 50.0G 7.0G 42.9G 14% /w/workspace/go-mod-core-contracts/1@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 663 63 0 1110 1079 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 12: eth0@if13: 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) 01/20/20 _x86_64_ (4 CPU) 15:48:03 LINUX RESTART 15:49:02 tps rtps wtps bread/s bwrtn/s 15:50:01 309.63 231.68 77.95 8915.87 19953.55 15:51:01 5.11 0.17 4.95 5.33 203.41 15:52:01 0.65 0.00 0.65 0.00 7.38 15:53:01 0.60 0.00 0.60 0.00 6.75 15:54:01 1.82 1.15 0.67 33.45 7.51 15:55:01 0.83 0.05 0.78 1.20 9.60 Average: 52.44 38.34 14.10 1473.30 3321.48 15:49:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 601956 1280348 68.02 2524 715260 969924 33.09 460504 618564 120 15:51:01 609484 1272820 67.62 2524 715360 935988 31.94 459016 616768 8 15:52:01 606156 1276148 67.80 2524 715368 936204 31.94 462124 616768 8 15:53:01 607256 1275048 67.74 2524 715372 936036 31.94 488272 589884 8 15:54:01 603816 1278488 67.92 2524 716348 936060 31.94 490392 590776 8 15:55:01 603980 1278324 67.91 2524 716372 935988 31.94 506080 575212 8 Average: 605441 1276863 67.84 2524 715680 941700 32.13 477731 601329 27 15:49:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:50:01 eth0 47.68 32.06 78.21 12.84 0.00 0.00 0.00 15:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 docker0 13.82 17.09 1.12 50.18 0.00 0.00 0.00 15:51:01 eth0 0.82 0.08 0.07 0.04 0.00 0.00 0.00 15:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:52:01 eth0 0.45 0.38 0.27 0.21 0.00 0.00 0.00 15:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:53:01 eth0 0.35 0.33 0.23 0.02 0.00 0.00 0.00 15:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:54:01 eth0 0.17 0.13 0.08 0.07 0.00 0.00 0.00 15:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:55:01 eth0 0.17 0.07 0.01 0.01 0.00 0.00 0.00 15:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 8.17 5.44 12.97 2.17 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.27 2.81 0.18 8.25 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) 01/20/20 _x86_64_ (4 CPU) 15:48:03 LINUX RESTART 15:49:02 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 25.89 0.00 6.99 6.61 0.02 60.49 15:50:01 0 25.96 0.00 7.19 5.49 0.02 61.34 15:50:01 1 25.60 0.00 6.73 6.36 0.02 61.30 15:50:01 2 27.34 0.00 6.44 6.51 0.02 59.70 15:50:01 3 24.63 0.00 7.59 8.12 0.03 59.62 15:51:01 all 0.18 0.00 0.05 0.00 0.00 99.76 15:51:01 0 0.05 0.00 0.03 0.00 0.00 99.92 15:51:01 1 0.08 0.00 0.08 0.00 0.00 99.83 15:51:01 2 0.03 0.00 0.05 0.00 0.00 99.92 15:51:01 3 0.55 0.00 0.03 0.00 0.00 99.42 15:52:01 all 0.20 0.00 0.05 0.00 0.00 99.75 15:52:01 0 0.07 0.00 0.05 0.00 0.00 99.88 15:52:01 1 0.08 0.00 0.10 0.00 0.00 99.82 15:52:01 2 0.07 0.00 0.03 0.00 0.00 99.90 15:52:01 3 0.57 0.00 0.03 0.00 0.00 99.40 15:53:01 all 0.18 0.00 0.05 0.00 0.00 99.77 15:53:01 0 0.03 0.00 0.10 0.00 0.00 99.87 15:53:01 1 0.03 0.00 0.02 0.00 0.00 99.95 15:53:01 2 0.08 0.00 0.05 0.00 0.00 99.87 15:53:01 3 0.55 0.00 0.03 0.00 0.00 99.42 15:54:01 all 0.18 0.00 0.05 0.00 0.00 99.75 15:54:01 0 0.50 0.00 0.08 0.00 0.00 99.42 15:54:01 1 0.08 0.00 0.07 0.00 0.00 99.85 15:54:01 2 0.07 0.00 0.05 0.00 0.00 99.88 15:54:01 3 0.07 0.00 0.03 0.00 0.00 99.90 15:55:01 all 0.18 0.00 0.05 0.00 0.00 99.77 15:55:01 0 0.12 0.00 0.08 0.00 0.00 99.80 15:55:01 1 0.07 0.00 0.05 0.02 0.02 99.85 15:55:01 2 0.07 0.00 0.03 0.00 0.00 99.90 15:55:01 3 0.47 0.00 0.03 0.00 0.00 99.50 Average: all 4.37 0.00 1.18 1.08 0.00 93.37 Average: 0 4.36 0.00 1.23 0.90 0.00 93.51 Average: 1 4.23 0.00 1.15 1.04 0.01 93.58 Average: 2 4.51 0.00 1.09 1.06 0.00 93.34 Average: 3 4.37 0.00 1.26 1.32 0.01 93.04