---> uname -a: Linux 736285a550f3 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 6.3G 43.7G 13% / 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 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-46 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-46@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 584 70 0 1183 1149 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 6: eth0@if7: 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) 03/06/20 _x86_64_ (4 CPU) 20:28:08 LINUX RESTART 20:29:01 tps rtps wtps bread/s bwrtn/s 20:30:01 20.79 2.61 18.18 647.80 2013.89 20:31:01 2.66 0.00 2.66 0.00 83.25 20:32:01 0.37 0.00 0.37 0.00 5.48 20:33:02 0.15 0.00 0.15 0.00 2.00 20:34:01 0.25 0.00 0.25 0.00 3.03 20:35:01 132.55 85.92 46.63 4924.22 17411.39 Average: 26.23 14.81 11.42 932.25 3265.70 20:29:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:30:01 104784 1777520 94.43 2620 1255632 947612 32.33 427164 1192052 20 20:31:01 113284 1769020 93.98 2620 1255636 895540 30.56 419856 1191664 8 20:32:01 112456 1769848 94.03 2620 1255644 895756 30.56 420924 1191664 16 20:33:02 111808 1770496 94.06 2620 1255648 895804 30.56 421372 1191664 8 20:34:01 112760 1769544 94.01 2620 1255652 895760 30.56 420804 1191664 20 20:35:01 96720 1785584 94.86 2620 1187176 1204132 41.08 444356 1146736 81176 Average: 108635 1773669 94.23 2620 1244231 955767 32.61 425746 1184241 13541 20:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:30:01 eth0 42.31 36.14 334.93 29.30 0.00 0.00 0.00 20:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 docker0 1.45 1.30 0.25 1.70 0.00 0.00 0.00 20:31:01 eth0 0.65 0.08 0.04 0.01 0.00 0.00 0.00 20:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 eth0 1.50 0.53 0.51 0.21 0.00 0.00 0.00 20:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:02 eth0 1.52 0.50 0.58 0.36 0.00 0.00 0.00 20:33:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 eth0 0.80 0.42 0.42 0.27 0.00 0.00 0.00 20:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 eth0 89.61 70.07 2330.41 11.38 0.00 0.00 0.00 20:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 veth61e092a 0.00 0.02 0.00 0.00 0.00 0.00 0.00 20:35:01 docker0 1.45 1.30 0.25 1.70 0.00 0.00 0.00 Average: eth0 22.81 18.03 446.19 6.94 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth61e092a 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.24 0.22 0.04 0.28 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) 03/06/20 _x86_64_ (4 CPU) 20:28:08 LINUX RESTART 20:29:01 CPU %user %nice %system %iowait %steal %idle 20:30:01 all 3.54 0.00 1.83 0.29 3.86 90.48 20:30:01 0 2.44 0.00 1.82 0.05 4.31 91.38 20:30:01 1 3.97 0.00 2.48 0.05 3.46 90.04 20:30:01 2 3.26 0.00 1.27 0.05 4.18 91.25 20:30:01 3 4.52 0.00 1.72 0.97 3.50 89.29 20:31:01 all 0.14 0.00 0.07 0.00 0.19 99.60 20:31:01 0 0.07 0.00 0.08 0.00 0.18 99.67 20:31:01 1 0.27 0.00 0.08 0.00 0.13 99.52 20:31:01 2 0.18 0.00 0.08 0.00 0.33 99.40 20:31:01 3 0.05 0.00 0.07 0.00 0.13 99.75 20:32:01 all 0.10 0.00 0.04 0.00 0.21 99.65 20:32:01 0 0.03 0.00 0.03 0.00 0.22 99.72 20:32:01 1 0.13 0.00 0.03 0.00 0.27 99.57 20:32:01 2 0.05 0.00 0.03 0.00 0.15 99.77 20:32:01 3 0.18 0.00 0.03 0.00 0.18 99.60 20:33:02 all 0.14 0.00 0.04 0.00 0.22 99.60 20:33:02 0 0.03 0.00 0.03 0.00 0.20 99.73 20:33:02 1 0.08 0.00 0.08 0.00 0.40 99.43 20:33:02 2 0.02 0.00 0.03 0.00 0.13 99.82 20:33:02 3 0.40 0.00 0.03 0.00 0.15 99.42 20:34:01 all 0.19 0.00 0.05 0.00 0.04 99.72 20:34:01 0 0.05 0.00 0.05 0.00 0.00 99.90 20:34:01 1 0.08 0.00 0.07 0.00 0.10 99.75 20:34:01 2 0.07 0.00 0.03 0.00 0.02 99.88 20:34:01 3 0.59 0.00 0.05 0.00 0.02 99.34 20:35:01 all 4.49 0.00 2.89 1.80 2.45 88.36 20:35:01 0 4.11 0.00 2.94 0.42 2.31 90.21 20:35:01 1 3.84 0.00 2.98 0.86 2.64 89.68 20:35:01 2 4.29 0.00 2.70 1.63 2.42 88.96 20:35:01 3 5.73 0.00 2.96 4.34 2.45 84.52 Average: all 1.43 0.00 0.82 0.34 1.16 96.24 Average: 0 1.12 0.00 0.82 0.08 1.21 96.77 Average: 1 1.39 0.00 0.95 0.15 1.17 96.34 Average: 2 1.31 0.00 0.69 0.28 1.21 96.51 Average: 3 1.90 0.00 0.81 0.88 1.07 95.35