---> uname -a: Linux 2eb01eba30a2 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 7.5G 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 734 98 0 1004 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) 01/23/20 _x86_64_ (4 CPU) 18:59:42 LINUX RESTART 19:00:02 tps rtps wtps bread/s bwrtn/s 19:01:01 102.44 36.02 66.42 4803.39 27948.58 19:02:01 4.30 0.07 4.23 1.47 136.73 19:03:01 0.32 0.00 0.32 0.00 4.03 19:04:01 0.25 0.00 0.25 0.00 2.70 19:05:01 0.15 0.00 0.15 0.00 2.02 19:06:01 0.38 0.00 0.38 0.00 5.06 19:07:01 0.38 0.00 0.38 0.00 4.76 19:08:01 0.17 0.00 0.17 0.00 1.88 19:09:02 341.79 146.01 195.77 6369.51 59546.31 Average: 49.96 20.22 29.74 1235.85 9712.23 19:00:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:01:01 114728 1767576 93.90 2620 1250736 966624 32.98 406888 1198592 276 19:02:01 125588 1756716 93.33 2620 1250908 920852 31.42 399620 1198644 8 19:03:01 126052 1756252 93.30 2620 1250912 910740 31.07 399600 1198628 8 19:04:01 126664 1755640 93.27 2620 1250916 910572 31.07 398676 1198632 8 19:05:01 125520 1756784 93.33 2620 1250920 910752 31.07 399784 1198632 8 19:06:01 126068 1756236 93.30 2620 1250928 910680 31.07 399352 1198632 8 19:07:01 126036 1756268 93.30 2620 1250928 910704 31.07 399460 1198628 8 19:08:01 137512 1744792 92.69 2620 1250932 910636 31.07 387968 1198460 16 19:09:02 74156 1808148 96.06 2620 1099520 1018936 34.77 536956 990640 41216 Average: 120258 1762046 93.61 2620 1234078 930055 31.73 414256 1175499 4617 19:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:01:01 eth0 378.74 279.40 994.64 88.18 0.00 0.00 0.00 19:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:01:01 docker0 1.05 0.96 0.20 1.18 0.00 0.00 0.00 19:02:01 eth0 1.15 0.38 0.38 0.23 0.00 0.00 0.00 19:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 eth0 1.20 0.48 0.33 0.18 0.00 0.00 0.00 19:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:04:01 eth0 0.73 0.10 0.05 0.04 0.00 0.00 0.00 19:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 eth0 2.15 0.65 0.60 0.40 0.00 0.00 0.00 19:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 eth0 0.73 0.30 0.16 0.08 0.00 0.00 0.00 19:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 eth0 0.75 0.43 0.31 0.21 0.00 0.00 0.00 19:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 eth0 0.07 0.08 0.00 0.01 0.00 0.00 0.00 19:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:02 veth3fc190a 2.25 1.53 0.17 0.34 0.00 0.00 0.00 19:09:02 eth0 789.87 617.91 8564.70 172.60 0.00 0.00 0.00 19:09:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 19:09:02 docker0 55.03 70.21 3.89 596.53 0.00 0.00 0.00 Average: veth3fc190a 0.25 0.17 0.02 0.04 0.00 0.00 0.00 Average: eth0 87.99 68.84 954.12 19.23 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.13 7.82 0.43 66.45 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) 01/23/20 _x86_64_ (4 CPU) 18:59:42 LINUX RESTART 19:00:02 CPU %user %nice %system %iowait %steal %idle 19:01:01 all 13.04 0.00 4.76 6.67 0.02 75.52 19:01:01 0 12.60 0.00 5.19 8.82 0.02 73.37 19:01:01 1 11.77 0.00 5.85 6.28 0.02 76.08 19:01:01 2 13.93 0.00 3.99 5.92 0.02 76.14 19:01:01 3 13.85 0.00 3.99 5.62 0.02 76.51 19:02:01 all 0.20 0.00 0.07 0.00 0.00 99.73 19:02:01 0 0.52 0.00 0.03 0.00 0.00 99.45 19:02:01 1 0.08 0.00 0.07 0.00 0.00 99.85 19:02:01 2 0.12 0.00 0.07 0.00 0.00 99.82 19:02:01 3 0.10 0.00 0.08 0.00 0.00 99.82 19:03:01 all 0.18 0.00 0.03 0.00 0.00 99.79 19:03:01 0 0.50 0.00 0.02 0.00 0.00 99.48 19:03:01 1 0.08 0.00 0.05 0.00 0.02 99.85 19:03:01 2 0.07 0.00 0.05 0.00 0.00 99.88 19:03:01 3 0.05 0.00 0.02 0.00 0.00 99.93 19:04:01 all 0.17 0.00 0.04 0.00 0.00 99.79 19:04:01 0 0.50 0.00 0.05 0.00 0.00 99.45 19:04:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:04:01 2 0.08 0.00 0.05 0.00 0.00 99.87 19:04:01 3 0.05 0.00 0.05 0.00 0.00 99.90 19:05:01 all 0.19 0.00 0.04 0.00 0.00 99.77 19:05:01 0 0.43 0.00 0.05 0.00 0.00 99.52 19:05:01 1 0.08 0.00 0.07 0.00 0.00 99.85 19:05:01 2 0.05 0.00 0.02 0.00 0.00 99.93 19:05:01 3 0.22 0.00 0.02 0.00 0.00 99.77 19:06:01 all 0.18 0.00 0.04 0.00 0.00 99.78 19:06:01 0 0.52 0.00 0.03 0.00 0.00 99.45 19:06:01 1 0.07 0.00 0.03 0.00 0.00 99.90 19:06:01 2 0.07 0.00 0.07 0.00 0.00 99.87 19:06:01 3 0.05 0.00 0.02 0.00 0.00 99.93 19:07:01 all 0.18 0.00 0.04 0.00 0.00 99.78 19:07:01 0 0.52 0.00 0.02 0.00 0.00 99.47 19:07:01 1 0.08 0.00 0.05 0.00 0.00 99.87 19:07:01 2 0.07 0.00 0.05 0.00 0.00 99.88 19:07:01 3 0.07 0.00 0.03 0.00 0.00 99.90 19:08:01 all 0.17 0.00 0.04 0.00 0.00 99.79 19:08:01 0 0.42 0.00 0.02 0.00 0.00 99.57 19:08:01 1 0.07 0.00 0.05 0.00 0.00 99.88 19:08:01 2 0.13 0.00 0.02 0.00 0.02 99.83 19:08:01 3 0.07 0.00 0.07 0.00 0.00 99.87 19:09:02 all 17.58 0.00 9.03 2.48 0.08 70.82 19:09:02 0 17.83 0.00 8.98 2.59 0.09 70.52 19:09:02 1 17.18 0.00 8.81 2.49 0.07 71.45 19:09:02 2 16.94 0.00 9.00 3.14 0.08 70.83 19:09:02 3 18.34 0.00 9.37 1.73 0.09 70.47 Average: all 3.49 0.00 1.54 1.00 0.01 93.97 Average: 0 3.70 0.00 1.57 1.24 0.01 93.48 Average: 1 3.23 0.00 1.64 0.96 0.01 94.16 Average: 2 3.44 0.00 1.46 0.99 0.01 94.11 Average: 3 3.58 0.00 1.49 0.80 0.01 94.12