---> uname -a: Linux 0caa41a5a465 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: 2933.442 BogoMIPS: 5866.88 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-43 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-43@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 597 68 0 1172 1136 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) 02/05/20 _x86_64_ (4 CPU) 22:33:54 LINUX RESTART 22:35:02 tps rtps wtps bread/s bwrtn/s 22:36:01 11.01 0.00 11.01 0.00 1788.76 22:37:01 0.38 0.00 0.38 0.00 5.43 22:38:01 0.15 0.00 0.15 0.00 2.15 22:39:01 0.27 0.00 0.27 0.00 3.46 22:40:01 0.37 0.00 0.37 0.00 4.65 22:41:01 28.34 27.94 0.40 1987.14 7.19 Average: 6.74 4.67 2.07 332.13 297.82 22:35:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:36:01 121684 1760620 93.54 2620 1230620 949216 32.39 431816 1170612 8 22:37:01 123956 1758348 93.41 2620 1230628 928644 31.68 430000 1170312 16 22:38:01 123728 1758576 93.43 2620 1230636 928680 31.69 430240 1170308 12 22:39:01 127180 1755124 93.24 2620 1230636 900888 30.74 427336 1170308 12 22:40:01 126828 1755476 93.26 2620 1230644 900960 30.74 427852 1170308 8 22:41:01 78644 1803660 95.82 2620 1258400 928600 31.68 439176 1200756 0 Average: 117003 1765301 93.78 2620 1235261 922831 31.49 431070 1175434 9 22:35:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:36:01 eth0 1.90 0.86 0.90 0.42 0.00 0.00 0.00 22:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:37:01 eth0 1.95 0.70 0.55 0.40 0.00 0.00 0.00 22:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:38:01 eth0 0.93 0.65 0.57 0.40 0.00 0.00 0.00 22:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:39:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 22:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 eth0 0.63 0.23 0.17 0.07 0.00 0.00 0.00 22:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:01 eth0 7.54 5.33 7.76 2.79 0.00 0.00 0.00 22:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.18 1.31 1.66 0.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 02/05/20 _x86_64_ (4 CPU) 22:33:54 LINUX RESTART 22:35:02 CPU %user %nice %system %iowait %steal %idle 22:36:01 all 0.21 0.00 0.09 0.00 0.00 99.69 22:36:01 0 0.07 0.00 0.05 0.00 0.00 99.88 22:36:01 1 0.15 0.00 0.12 0.00 0.00 99.73 22:36:01 2 0.51 0.00 0.08 0.00 0.02 99.39 22:36:01 3 0.12 0.00 0.10 0.00 0.00 99.78 22:37:01 all 0.20 0.00 0.05 0.00 0.00 99.75 22:37:01 0 0.03 0.00 0.05 0.00 0.00 99.92 22:37:01 1 0.10 0.00 0.07 0.00 0.00 99.83 22:37:01 2 0.60 0.00 0.07 0.00 0.00 99.33 22:37:01 3 0.07 0.00 0.07 0.00 0.00 99.87 22:38:01 all 0.21 0.00 0.06 0.00 0.01 99.72 22:38:01 0 0.10 0.00 0.02 0.00 0.02 99.87 22:38:01 1 0.45 0.00 0.12 0.00 0.02 99.42 22:38:01 2 0.23 0.00 0.08 0.00 0.00 99.68 22:38:01 3 0.05 0.00 0.02 0.00 0.02 99.92 22:39:01 all 0.18 0.00 0.05 0.00 0.00 99.77 22:39:01 0 0.50 0.00 0.03 0.00 0.00 99.47 22:39:01 1 0.10 0.00 0.08 0.00 0.00 99.82 22:39:01 2 0.07 0.00 0.05 0.00 0.00 99.88 22:39:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:40:01 all 0.18 0.00 0.05 0.00 0.00 99.77 22:40:01 0 0.52 0.00 0.03 0.00 0.00 99.45 22:40:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:40:01 2 0.08 0.00 0.07 0.00 0.00 99.85 22:40:01 3 0.08 0.00 0.07 0.00 0.00 99.85 22:41:01 all 0.60 0.00 0.38 0.57 0.00 98.45 22:41:01 0 1.08 0.00 0.43 0.48 0.00 98.00 22:41:01 1 0.40 0.00 0.42 0.72 0.00 98.47 22:41:01 2 0.43 0.00 0.32 0.23 0.00 99.02 22:41:01 3 0.48 0.00 0.38 0.87 0.02 98.25 Average: all 0.26 0.00 0.12 0.09 0.00 99.52 Average: 0 0.38 0.00 0.10 0.08 0.00 99.43 Average: 1 0.21 0.00 0.14 0.12 0.00 99.53 Average: 2 0.32 0.00 0.11 0.04 0.00 99.53 Average: 3 0.14 0.00 0.11 0.14 0.01 99.60