---> uname -a: Linux 3795d89f254d 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-53 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-53@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 605 75 0 1157 1128 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) 04/21/20 _x86_64_ (4 CPU) 19:48:42 LINUX RESTART 19:49:01 tps rtps wtps bread/s bwrtn/s 19:50:01 62.46 24.47 37.99 4462.39 3652.26 19:51:01 3.78 0.00 3.78 0.00 119.22 19:52:01 0.23 0.00 0.23 0.00 3.28 19:53:01 0.33 0.00 0.33 0.00 3.80 19:54:01 0.70 0.00 0.70 0.00 8.68 19:55:02 0.62 0.00 0.62 0.00 8.35 19:56:01 49.92 49.25 0.66 3276.02 9.04 Average: 16.79 10.44 6.35 1100.60 545.04 19:49:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:01 107404 1774900 94.29 2620 1227752 948672 32.37 431528 1177220 20 19:51:01 114292 1768012 93.93 2620 1227600 931768 31.79 427956 1177116 16 19:52:01 117392 1764912 93.76 2620 1227612 901956 30.77 424800 1177104 8 19:53:01 115884 1766420 93.84 2620 1227612 902196 30.78 426356 1177104 20 19:54:01 117552 1764752 93.75 2620 1227620 901956 30.77 425208 1177104 8 19:55:02 116372 1765932 93.82 2620 1227624 902196 30.78 426544 1177104 8 19:56:01 91728 1790576 95.13 2620 1246348 904828 30.87 412860 1211516 160 Average: 111518 1770786 94.08 2620 1230310 913367 31.16 425036 1182038 34 19:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:50:01 eth0 461.84 252.74 1010.58 85.97 0.00 0.00 0.00 19:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 docker0 1.18 0.92 0.25 1.85 0.00 0.00 0.00 19:51:01 eth0 0.53 0.38 0.27 0.20 0.00 0.00 0.00 19:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:52:01 eth0 0.83 0.08 0.07 0.01 0.00 0.00 0.00 19:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:53:01 eth0 0.40 0.33 0.26 0.20 0.00 0.00 0.00 19:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:54:01 eth0 0.60 0.08 0.05 0.01 0.00 0.00 0.00 19:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:55:02 eth0 1.38 0.68 0.69 0.46 0.00 0.00 0.00 19:55:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:55:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:56:01 eth0 9.13 5.84 9.27 3.40 0.00 0.00 0.00 19:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 67.99 37.26 146.28 12.92 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.17 0.13 0.04 0.26 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) 04/21/20 _x86_64_ (4 CPU) 19:48:42 LINUX RESTART 19:49:01 CPU %user %nice %system %iowait %steal %idle 19:50:01 all 12.48 0.00 3.40 1.56 0.03 82.53 19:50:01 0 10.72 0.00 4.50 0.52 0.03 84.23 19:50:01 1 12.90 0.00 2.96 0.99 0.03 83.11 19:50:01 2 13.76 0.00 3.06 4.34 0.02 78.82 19:50:01 3 12.53 0.00 3.10 0.39 0.02 83.97 19:51:01 all 0.19 0.00 0.05 0.00 0.00 99.76 19:51:01 0 0.03 0.00 0.05 0.00 0.00 99.92 19:51:01 1 0.08 0.00 0.07 0.00 0.00 99.85 19:51:01 2 0.55 0.00 0.07 0.00 0.00 99.38 19:51:01 3 0.07 0.00 0.05 0.00 0.00 99.88 19:52:01 all 0.15 0.00 0.05 0.00 0.01 99.80 19:52:01 0 0.03 0.00 0.03 0.00 0.02 99.92 19:52:01 1 0.05 0.00 0.05 0.00 0.00 99.90 19:52:01 2 0.07 0.00 0.03 0.00 0.02 99.88 19:52:01 3 0.45 0.00 0.07 0.00 0.02 99.47 19:53:01 all 0.08 0.00 0.04 0.00 0.00 99.87 19:53:01 0 0.07 0.00 0.02 0.00 0.00 99.92 19:53:01 1 0.10 0.00 0.03 0.00 0.00 99.87 19:53:01 2 0.07 0.00 0.03 0.00 0.00 99.90 19:53:01 3 0.13 0.00 0.07 0.00 0.00 99.80 19:54:01 all 0.18 0.00 0.05 0.00 0.00 99.77 19:54:01 0 0.03 0.00 0.05 0.00 0.00 99.92 19:54:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:54:01 2 0.12 0.00 0.08 0.00 0.00 99.80 19:54:01 3 0.52 0.00 0.02 0.00 0.02 99.45 19:55:02 all 0.19 0.00 0.04 0.00 0.00 99.77 19:55:02 0 0.07 0.00 0.03 0.00 0.00 99.90 19:55:02 1 0.05 0.00 0.05 0.00 0.00 99.90 19:55:02 2 0.10 0.00 0.03 0.00 0.00 99.87 19:55:02 3 0.55 0.00 0.05 0.00 0.00 99.40 19:56:01 all 0.92 0.00 0.40 1.18 0.00 97.49 19:56:01 0 0.59 0.00 0.37 1.39 0.00 97.64 19:56:01 1 1.76 0.00 0.51 0.95 0.00 96.78 19:56:01 2 0.61 0.00 0.47 1.41 0.00 97.51 19:56:01 3 0.73 0.00 0.22 0.97 0.00 98.08 Average: all 2.02 0.00 0.57 0.39 0.01 97.01 Average: 0 1.64 0.00 0.72 0.27 0.01 97.36 Average: 1 2.13 0.00 0.53 0.27 0.00 97.06 Average: 2 2.18 0.00 0.54 0.82 0.00 96.46 Average: 3 2.14 0.00 0.51 0.19 0.01 97.15