---> uname -a: Linux a75dc0b69a6c 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/xfoundry_go-mod-bootstrap_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-bootstrap_master ---> free -m: total used free shared buff/cache available Mem: 1838 713 86 0 1037 1056 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) 03/30/20 _x86_64_ (4 CPU) 15:27:32 LINUX RESTART 15:28:01 tps rtps wtps bread/s bwrtn/s 15:29:01 44.32 11.32 33.00 2463.64 3381.86 15:30:02 2.13 0.00 2.13 0.00 75.45 15:31:01 0.20 0.00 0.20 0.00 2.46 15:32:01 0.33 0.00 0.33 0.00 6.51 15:33:01 0.30 0.00 0.30 0.00 5.81 15:34:01 183.99 108.96 75.03 4058.73 26106.58 15:35:01 188.70 42.92 145.78 2244.85 35623.51 Average: 60.15 23.37 36.78 1255.83 9338.96 15:28:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:29:01 105640 1776664 94.39 2620 1227628 912028 31.12 438188 1179572 16 15:30:02 112648 1769656 94.02 2620 1227632 876212 29.90 432628 1179280 16 15:31:01 112844 1769460 94.01 2620 1227640 876164 29.89 432388 1179280 8 15:32:01 111896 1770408 94.06 2620 1227644 876412 29.90 433444 1179280 16 15:33:01 113164 1769140 93.99 2620 1227652 876232 29.90 432624 1179280 8 15:34:01 100148 1782156 94.68 2620 1134084 1035876 35.34 500092 1086624 75068 15:35:01 251320 1630984 86.65 2620 955032 919760 31.38 526752 825836 96 Average: 129666 1752638 93.11 2620 1175330 910383 31.06 456588 1115593 10747 15:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:29:01 eth0 278.00 191.13 779.36 74.15 0.00 0.00 0.00 15:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:29:01 docker0 1.05 0.92 0.26 1.96 0.00 0.00 0.00 15:30:02 eth0 0.37 0.17 0.10 0.03 0.00 0.00 0.00 15:30:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:31:01 eth0 1.03 0.08 0.09 0.01 0.00 0.00 0.00 15:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:32:01 eth0 0.85 0.65 0.53 0.40 0.00 0.00 0.00 15:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:33:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:34:01 eth0 151.74 130.93 3545.84 17.34 0.00 0.00 0.00 15:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:34:01 docker0 17.68 14.22 2.02 42.94 0.00 0.00 0.00 15:34:01 vethb0be568 17.68 14.33 2.26 42.95 0.00 0.00 0.00 15:35:01 eth0 226.25 188.83 3497.97 88.51 0.00 0.00 0.00 15:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:35:01 docker0 30.01 31.86 2.03 250.60 0.00 0.00 0.00 Average: eth0 94.30 73.32 1120.64 25.85 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.98 6.73 0.62 42.32 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) 03/30/20 _x86_64_ (4 CPU) 15:27:32 LINUX RESTART 15:28:01 CPU %user %nice %system %iowait %steal %idle 15:29:01 all 7.23 0.00 2.75 0.93 0.26 88.83 15:29:01 0 6.99 0.00 3.08 0.20 0.22 89.51 15:29:01 1 7.37 0.00 2.44 3.21 0.34 86.65 15:29:01 2 7.36 0.00 2.71 0.19 0.20 89.54 15:29:01 3 7.22 0.00 2.76 0.08 0.30 89.64 15:30:02 all 0.18 0.00 0.05 0.00 0.01 99.77 15:30:02 0 0.05 0.00 0.03 0.00 0.00 99.92 15:30:02 1 0.05 0.00 0.05 0.00 0.02 99.88 15:30:02 2 0.52 0.00 0.05 0.00 0.00 99.43 15:30:02 3 0.07 0.00 0.05 0.00 0.00 99.88 15:31:01 all 0.16 0.00 0.05 0.00 0.01 99.78 15:31:01 0 0.05 0.00 0.05 0.00 0.02 99.88 15:31:01 1 0.37 0.00 0.05 0.00 0.02 99.56 15:31:01 2 0.17 0.00 0.05 0.00 0.02 99.76 15:31:01 3 0.05 0.00 0.03 0.00 0.00 99.92 15:32:01 all 0.18 0.00 0.05 0.00 0.01 99.77 15:32:01 0 0.10 0.00 0.08 0.00 0.02 99.80 15:32:01 1 0.12 0.00 0.03 0.00 0.00 99.85 15:32:01 2 0.45 0.00 0.03 0.00 0.02 99.50 15:32:01 3 0.02 0.00 0.03 0.00 0.02 99.93 15:33:01 all 0.17 0.00 0.04 0.00 0.01 99.78 15:33:01 0 0.07 0.00 0.07 0.00 0.02 99.85 15:33:01 1 0.03 0.00 0.03 0.00 0.02 99.92 15:33:01 2 0.48 0.00 0.02 0.00 0.00 99.50 15:33:01 3 0.08 0.00 0.05 0.00 0.00 99.87 15:34:01 all 6.97 0.00 4.10 1.80 0.37 86.76 15:34:01 0 6.71 0.00 4.27 0.96 0.44 87.62 15:34:01 1 7.05 0.00 4.10 2.43 0.29 86.13 15:34:01 2 7.35 0.00 4.33 2.75 0.37 85.20 15:34:01 3 6.76 0.00 3.72 1.05 0.37 88.10 15:35:01 all 13.09 0.00 8.01 2.05 1.63 75.22 15:35:01 0 12.05 0.00 7.90 2.44 1.60 76.01 15:35:01 1 11.45 0.00 7.55 1.65 1.70 77.64 15:35:01 2 15.98 0.00 7.62 1.33 1.64 73.42 15:35:01 3 12.88 0.00 8.96 2.79 1.58 73.80 Average: all 3.96 0.00 2.13 0.68 0.32 92.91 Average: 0 3.68 0.00 2.19 0.51 0.32 93.30 Average: 1 3.75 0.00 2.02 1.04 0.34 92.86 Average: 2 4.58 0.00 2.10 0.61 0.32 92.41 Average: 3 3.83 0.00 2.20 0.55 0.32 93.09