---> uname -a: Linux ce6453ec989e 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 /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 ---> free -m: total used free shared buff/cache available Mem: 1838 731 105 0 1001 1040 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) 04/14/20 _x86_64_ (4 CPU) 20:18:32 LINUX RESTART 20:19:02 tps rtps wtps bread/s bwrtn/s 20:20:01 44.31 10.90 33.41 2521.44 3451.48 20:21:01 2.75 0.00 2.75 0.00 85.83 20:22:01 0.62 0.00 0.62 0.00 6.95 20:23:01 0.57 0.00 0.57 0.00 5.63 20:24:01 174.47 103.70 70.77 3882.16 25249.78 20:25:01 173.52 38.94 134.58 2136.00 35159.69 Average: 66.12 25.64 40.48 1420.66 10683.39 20:19:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 112796 1769508 94.01 2620 1234476 928120 31.67 426808 1182312 16 20:21:01 121724 1760580 93.53 2620 1234480 896436 30.59 422008 1180944 8 20:22:01 121080 1761224 93.57 2620 1234492 896604 30.59 423016 1180944 8 20:23:01 120644 1761660 93.59 2620 1234492 896676 30.59 423252 1180944 8 20:24:01 78596 1803708 95.82 2620 1166672 1167988 39.85 467736 1146152 89452 20:25:01 227552 1654752 87.91 2620 944616 1059344 36.14 541800 831216 112 Average: 130399 1751905 93.07 2620 1174871 974195 33.24 450770 1117085 14934 20:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:20:01 eth0 288.93 192.55 732.43 70.79 0.00 0.00 0.00 20:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 docker0 1.20 0.98 0.29 2.38 0.00 0.00 0.00 20:21:01 eth0 0.70 0.08 0.06 0.02 0.00 0.00 0.00 20:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:22:01 eth0 4.08 1.93 3.43 0.28 0.00 0.00 0.00 20:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:23:01 eth0 0.50 0.42 0.27 0.24 0.00 0.00 0.00 20:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:24:01 vethdc1b008 11.80 8.67 1.62 6.32 0.00 0.00 0.00 20:24:01 eth0 549.98 380.59 4538.36 100.29 0.00 0.00 0.00 20:24:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 20:24:01 docker0 12.98 9.54 1.74 8.65 0.00 0.00 0.00 20:25:01 eth0 241.74 192.99 3527.90 84.19 0.00 0.00 0.00 20:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:25:01 veth53d9328 1.80 1.35 0.31 0.27 0.00 0.00 0.00 20:25:01 docker0 45.43 47.96 2.94 287.92 0.00 0.00 0.00 Average: eth0 112.71 84.80 1296.74 28.42 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth53d9328 0.30 0.23 0.05 0.05 0.00 0.00 0.00 Average: docker0 9.77 9.61 0.78 49.58 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) 04/14/20 _x86_64_ (4 CPU) 20:18:32 LINUX RESTART 20:19:02 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 6.33 0.00 2.17 1.10 0.19 90.21 20:20:01 0 6.54 0.00 2.24 0.05 0.21 90.96 20:20:01 1 5.90 0.00 2.22 1.88 0.19 89.81 20:20:01 2 6.73 0.00 2.21 2.24 0.19 88.63 20:20:01 3 6.16 0.00 1.97 0.26 0.19 91.43 20:21:01 all 0.16 0.00 0.05 0.00 0.03 99.76 20:21:01 0 0.03 0.00 0.03 0.00 0.03 99.90 20:21:01 1 0.48 0.00 0.05 0.00 0.03 99.43 20:21:01 2 0.07 0.00 0.05 0.00 0.05 99.83 20:21:01 3 0.03 0.00 0.07 0.00 0.02 99.88 20:22:01 all 0.20 0.00 0.05 0.00 0.00 99.75 20:22:01 0 0.07 0.00 0.05 0.00 0.00 99.88 20:22:01 1 0.57 0.00 0.03 0.00 0.02 99.38 20:22:01 2 0.07 0.00 0.03 0.00 0.00 99.90 20:22:01 3 0.10 0.00 0.03 0.00 0.00 99.87 20:23:01 all 0.17 0.00 0.04 0.00 0.01 99.78 20:23:01 0 0.03 0.00 0.05 0.00 0.02 99.90 20:23:01 1 0.52 0.00 0.05 0.00 0.00 99.43 20:23:01 2 0.08 0.00 0.08 0.00 0.02 99.82 20:23:01 3 0.02 0.00 0.00 0.00 0.00 99.98 20:24:01 all 6.35 0.00 3.20 1.64 0.26 88.55 20:24:01 0 6.57 0.00 3.37 1.08 0.20 88.77 20:24:01 1 6.28 0.00 3.00 1.33 0.25 89.15 20:24:01 2 6.31 0.00 3.10 2.19 0.34 88.07 20:24:01 3 6.26 0.00 3.33 1.99 0.24 88.19 20:25:01 all 12.55 0.00 7.08 2.37 2.50 75.51 20:25:01 0 11.41 0.00 6.95 1.71 2.43 77.50 20:25:01 1 10.70 0.00 7.71 1.91 2.42 77.27 20:25:01 2 16.11 0.00 6.95 2.52 2.49 71.93 20:25:01 3 11.97 0.00 6.68 3.31 2.68 75.36 Average: all 4.25 0.00 2.08 0.84 0.49 92.34 Average: 0 4.07 0.00 2.09 0.47 0.47 92.90 Average: 1 4.04 0.00 2.16 0.84 0.48 92.48 Average: 2 4.84 0.00 2.05 1.15 0.51 91.45 Average: 3 4.05 0.00 1.99 0.92 0.51 92.53