---> uname -a: Linux 0d4938866c03 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 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-51 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 595 76 0 1166 1137 Swap: 1023 0 1023 ---> 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) 04/14/20 _x86_64_ (4 CPU) 03:21:45 LINUX RESTART 03:22:01 tps rtps wtps bread/s bwrtn/s 03:23:01 127.86 46.35 81.51 5050.29 38829.32 03:24:01 4.16 0.00 4.16 0.00 120.25 03:25:01 0.23 0.00 0.23 0.00 3.11 03:26:01 0.28 0.00 0.28 0.00 3.06 03:27:01 0.25 0.00 0.25 0.00 3.46 03:28:01 0.43 0.00 0.43 0.00 7.08 Average: 22.21 7.73 14.49 842.16 6497.79 03:22:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:23:01 110856 1771448 94.11 2620 1240344 933232 31.84 419928 1190680 332 03:24:01 116200 1766104 93.83 2620 1240380 932764 31.83 418444 1190016 20 03:25:01 118044 1764260 93.73 2620 1240388 913004 31.15 416612 1189820 8 03:26:01 119400 1762904 93.66 2620 1240388 901696 30.77 415460 1189700 8 03:27:01 118936 1763368 93.68 2620 1240404 901864 30.77 416508 1189708 20 03:28:01 118680 1763624 93.69 2620 1240400 901900 30.77 416776 1189700 8 Average: 117019 1765285 93.78 2620 1240384 914077 31.19 417288 1189937 66 03:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:23:01 eth0 387.20 227.71 996.65 82.22 0.00 0.00 0.00 03:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 docker0 1.20 0.92 0.24 1.70 0.00 0.00 0.00 03:24:01 eth0 0.87 0.30 0.30 0.17 0.00 0.00 0.00 03:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 eth0 0.62 0.33 0.27 0.23 0.00 0.00 0.00 03:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 eth0 0.98 0.08 0.09 0.01 0.00 0.00 0.00 03:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 eth0 1.80 0.42 0.53 0.21 0.00 0.00 0.00 03:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 eth0 1.08 0.73 0.67 0.46 0.00 0.00 0.00 03:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 65.46 38.28 166.51 13.89 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.20 0.15 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) 04/14/20 _x86_64_ (4 CPU) 03:21:45 LINUX RESTART 03:22:01 CPU %user %nice %system %iowait %steal %idle 03:23:01 all 13.87 0.00 7.47 2.88 0.47 75.32 03:23:01 0 13.90 0.00 10.29 4.41 0.48 70.92 03:23:01 1 13.52 0.00 6.44 3.04 0.37 76.63 03:23:01 2 13.55 0.00 6.47 1.52 0.51 77.95 03:23:01 3 14.50 0.00 6.65 2.56 0.51 75.78 03:24:01 all 0.19 0.00 0.08 0.00 0.03 99.70 03:24:01 0 0.07 0.00 0.07 0.00 0.02 99.85 03:24:01 1 0.30 0.00 0.13 0.00 0.05 99.52 03:24:01 2 0.33 0.00 0.08 0.00 0.03 99.55 03:24:01 3 0.05 0.00 0.07 0.00 0.02 99.87 03:25:01 all 0.12 0.00 0.07 0.00 0.03 99.78 03:25:01 0 0.07 0.00 0.03 0.00 0.03 99.87 03:25:01 1 0.22 0.00 0.08 0.00 0.02 99.68 03:25:01 2 0.10 0.00 0.10 0.00 0.05 99.75 03:25:01 3 0.08 0.00 0.05 0.00 0.03 99.83 03:26:01 all 0.10 0.00 0.05 0.00 0.02 99.83 03:26:01 0 0.08 0.00 0.05 0.00 0.02 99.85 03:26:01 1 0.22 0.00 0.03 0.00 0.05 99.70 03:26:01 2 0.08 0.00 0.07 0.00 0.02 99.83 03:26:01 3 0.00 0.00 0.02 0.00 0.00 99.98 03:27:01 all 0.18 0.00 0.05 0.00 0.01 99.76 03:27:01 0 0.07 0.00 0.07 0.00 0.02 99.85 03:27:01 1 0.50 0.00 0.03 0.00 0.02 99.45 03:27:01 2 0.07 0.00 0.05 0.00 0.02 99.87 03:27:01 3 0.07 0.00 0.07 0.00 0.02 99.85 03:28:01 all 0.18 0.00 0.06 0.00 0.01 99.75 03:28:01 0 0.08 0.00 0.05 0.00 0.00 99.87 03:28:01 1 0.52 0.00 0.05 0.00 0.00 99.43 03:28:01 2 0.07 0.00 0.05 0.00 0.00 99.88 03:28:01 3 0.08 0.00 0.08 0.00 0.03 99.80 Average: all 2.40 0.00 1.28 0.47 0.10 95.75 Average: 0 2.34 0.00 1.73 0.72 0.09 95.12 Average: 1 2.51 0.00 1.11 0.50 0.08 95.79 Average: 2 2.34 0.00 1.12 0.25 0.10 96.19 Average: 3 2.43 0.00 1.14 0.42 0.10 95.91