---> uname -a: Linux cf3c1b3943c4 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: 2933.396 BogoMIPS: 5866.79 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% /var/log/sa /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-messaging_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-messaging_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 739 76 0 1021 1035 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) 02/19/20 _x86_64_ (4 CPU) 16:10:42 LINUX RESTART 16:11:02 tps rtps wtps bread/s bwrtn/s 16:12:01 96.26 34.33 61.93 4735.40 25774.50 16:13:02 2.68 0.02 2.66 0.53 94.72 16:14:01 0.24 0.00 0.24 0.00 3.17 16:15:01 0.28 0.00 0.28 0.00 3.35 16:16:01 0.27 0.00 0.27 0.00 3.48 16:17:01 227.19 113.95 113.25 4464.66 42280.56 16:18:01 244.62 108.32 136.30 6180.56 34076.65 Average: 81.94 36.82 45.12 2198.74 14637.49 16:11:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:12:01 119508 1762796 93.65 2620 1228260 929856 31.73 420392 1182992 16 16:13:02 126604 1755700 93.27 2620 1228304 899360 30.69 415744 1182868 8 16:14:01 124956 1757348 93.36 2620 1228308 899648 30.70 417452 1182856 8 16:15:01 125824 1756480 93.32 2620 1228312 899492 30.69 416592 1182856 8 16:16:01 126808 1755496 93.26 2620 1228316 899360 30.69 415972 1182856 12 16:17:01 75000 1807304 96.02 2620 1168068 1121956 38.28 533656 1051088 94112 16:18:01 99400 1782904 94.72 2200 1043972 967132 33.00 580916 897504 45008 Average: 114014 1768290 93.94 2560 1193363 945258 32.25 457246 1123289 19882 16:11:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:12:01 eth0 340.73 277.60 997.79 89.15 0.00 0.00 0.00 16:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 docker0 0.96 1.03 0.21 1.44 0.00 0.00 0.00 16:13:02 eth0 1.33 0.08 0.10 0.01 0.00 0.00 0.00 16:13:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:01 eth0 1.37 0.54 0.58 0.37 0.00 0.00 0.00 16:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:01 eth0 0.55 0.42 0.30 0.24 0.00 0.00 0.00 16:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 16:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 eth0 294.50 241.84 6932.12 31.83 0.00 0.00 0.00 16:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 docker0 3.83 3.58 0.35 30.46 0.00 0.00 0.00 16:18:01 eth0 225.63 192.83 2436.92 111.94 0.00 0.00 0.00 16:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 vethf78e93e 0.00 0.10 0.00 0.01 0.00 0.00 0.00 16:18:01 docker0 50.27 50.30 3.56 279.59 0.00 0.00 0.00 Average: eth0 123.39 101.86 1490.18 33.31 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethf78e93e 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.21 7.22 0.51 40.12 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) 02/19/20 _x86_64_ (4 CPU) 16:10:42 LINUX RESTART 16:11:02 CPU %user %nice %system %iowait %steal %idle 16:12:01 all 13.25 0.00 5.78 6.18 0.01 74.79 16:12:01 0 13.57 0.00 5.97 7.98 0.02 72.46 16:12:01 1 13.69 0.00 5.31 5.18 0.00 75.82 16:12:01 2 12.94 0.00 5.87 6.36 0.00 74.83 16:12:01 3 12.80 0.00 5.95 5.23 0.02 76.00 16:13:02 all 0.10 0.00 0.06 0.00 0.00 99.84 16:13:02 0 0.03 0.00 0.05 0.00 0.00 99.92 16:13:02 1 0.03 0.00 0.05 0.00 0.00 99.92 16:13:02 2 0.10 0.00 0.08 0.00 0.00 99.82 16:13:02 3 0.22 0.00 0.10 0.00 0.00 99.68 16:14:01 all 0.08 0.00 0.08 0.00 0.00 99.84 16:14:01 0 0.05 0.00 0.03 0.00 0.00 99.92 16:14:01 1 0.12 0.00 0.12 0.00 0.00 99.76 16:14:01 2 0.08 0.00 0.05 0.00 0.02 99.85 16:14:01 3 0.08 0.00 0.08 0.00 0.02 99.81 16:15:01 all 0.10 0.00 0.06 0.00 0.00 99.84 16:15:01 0 0.05 0.00 0.08 0.00 0.00 99.87 16:15:01 1 0.20 0.00 0.02 0.00 0.02 99.77 16:15:01 2 0.03 0.00 0.07 0.00 0.00 99.90 16:15:01 3 0.10 0.00 0.08 0.00 0.00 99.82 16:16:01 all 0.19 0.00 0.05 0.00 0.00 99.77 16:16:01 0 0.03 0.00 0.02 0.00 0.00 99.95 16:16:01 1 0.53 0.00 0.05 0.00 0.00 99.42 16:16:01 2 0.10 0.00 0.07 0.00 0.00 99.83 16:16:01 3 0.10 0.00 0.03 0.00 0.00 99.87 16:17:01 all 11.37 0.00 6.86 1.87 0.02 79.88 16:17:01 0 10.83 0.00 7.11 1.46 0.03 80.57 16:17:01 1 12.25 0.00 6.81 3.29 0.00 77.64 16:17:01 2 10.86 0.00 6.60 0.92 0.02 81.60 16:17:01 3 11.54 0.00 6.92 1.80 0.02 79.73 16:18:01 all 13.10 0.00 8.23 3.38 0.02 75.27 16:18:01 0 11.59 0.00 8.29 2.81 0.00 77.31 16:18:01 1 14.28 0.00 8.88 4.61 0.02 72.21 16:18:01 2 11.54 0.00 7.25 3.92 0.02 77.28 16:18:01 3 15.01 0.00 8.50 2.17 0.02 74.30 Average: all 5.42 0.00 3.00 1.62 0.01 89.96 Average: 0 5.12 0.00 3.06 1.73 0.01 90.09 Average: 1 5.84 0.00 3.02 1.86 0.00 89.28 Average: 2 5.06 0.00 2.84 1.58 0.01 90.51 Average: 3 5.66 0.00 3.08 1.30 0.01 89.96