---> uname -a: Linux 2fe52268e14b 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-48 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-48@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 587 76 0 1174 1146 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) 03/04/20 _x86_64_ (4 CPU) 19:31:30 LINUX RESTART 19:32:01 tps rtps wtps bread/s bwrtn/s 19:33:01 39.58 8.90 30.68 2264.05 2158.85 19:34:01 2.31 0.00 2.31 0.00 76.95 19:35:01 0.67 0.00 0.67 0.00 9.17 19:36:01 0.53 0.00 0.53 0.00 6.10 19:37:01 0.65 0.00 0.65 0.00 7.83 19:38:01 0.42 0.00 0.42 0.00 7.06 19:39:01 0.23 0.00 0.23 0.00 3.33 19:40:01 0.25 0.00 0.25 0.00 2.58 Average: 5.58 1.11 4.47 283.16 284.13 19:32:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:33:01 112044 1770260 94.05 2620 1249204 934084 31.87 408212 1203600 32 19:34:01 119780 1762524 93.64 2620 1249152 898292 30.65 403732 1201088 16 19:35:01 118648 1763656 93.70 2620 1249164 898472 30.66 404784 1201088 8 19:36:01 119720 1762584 93.64 2620 1249164 898232 30.65 403736 1201088 8 19:37:01 119588 1762716 93.65 2620 1249172 898316 30.65 404120 1201088 16 19:38:01 119808 1762496 93.64 2620 1249176 898232 30.65 403804 1201088 12 19:39:01 118996 1763308 93.68 2620 1249180 898424 30.65 404876 1201084 8 19:40:01 124664 1757640 93.38 2620 1249184 898232 30.65 399012 1201084 8 Average: 119156 1763148 93.67 2620 1249175 902786 30.80 404035 1201401 14 19:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:33:01 eth0 170.26 121.04 518.06 51.36 0.00 0.00 0.00 19:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 docker0 0.97 0.95 0.21 1.47 0.00 0.00 0.00 19:34:01 eth0 1.52 0.78 0.78 0.07 0.00 0.00 0.00 19:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:01 eth0 1.18 0.73 0.56 0.37 0.00 0.00 0.00 19:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:36:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 19:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:37:01 eth0 0.48 0.22 0.15 0.07 0.00 0.00 0.00 19:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:38:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 19:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:39:01 eth0 0.45 0.27 0.27 0.20 0.00 0.00 0.00 19:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 19:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 21.87 15.42 65.02 6.52 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.12 0.12 0.03 0.18 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) 03/04/20 _x86_64_ (4 CPU) 19:31:30 LINUX RESTART 19:32:01 CPU %user %nice %system %iowait %steal %idle 19:33:01 all 4.54 0.00 1.95 1.19 0.00 92.32 19:33:01 0 4.67 0.00 2.01 0.47 0.00 92.85 19:33:01 1 4.96 0.00 1.82 0.74 0.02 92.46 19:33:01 2 4.40 0.00 2.04 3.48 0.00 90.07 19:33:01 3 4.12 0.00 1.91 0.08 0.02 93.87 19:34:01 all 0.10 0.00 0.08 0.00 0.00 99.82 19:34:01 0 0.08 0.00 0.07 0.00 0.00 99.85 19:34:01 1 0.22 0.00 0.15 0.00 0.00 99.63 19:34:01 2 0.10 0.00 0.05 0.00 0.00 99.85 19:34:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:35:01 all 0.09 0.00 0.06 0.00 0.00 99.85 19:35:01 0 0.05 0.00 0.05 0.00 0.00 99.90 19:35:01 1 0.12 0.00 0.05 0.00 0.00 99.83 19:35:01 2 0.10 0.00 0.08 0.00 0.00 99.82 19:35:01 3 0.10 0.00 0.07 0.00 0.00 99.83 19:36:01 all 0.13 0.00 0.05 0.00 0.00 99.82 19:36:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:36:01 1 0.08 0.00 0.05 0.00 0.00 99.87 19:36:01 2 0.32 0.00 0.07 0.00 0.00 99.62 19:36:01 3 0.05 0.00 0.03 0.00 0.00 99.92 19:37:01 all 0.19 0.00 0.04 0.00 0.00 99.77 19:37:01 0 0.07 0.00 0.05 0.00 0.02 99.87 19:37:01 1 0.07 0.00 0.05 0.00 0.00 99.88 19:37:01 2 0.58 0.00 0.05 0.00 0.00 99.37 19:37:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:38:01 all 0.18 0.00 0.05 0.00 0.00 99.77 19:38:01 0 0.07 0.00 0.10 0.00 0.00 99.83 19:38:01 1 0.05 0.00 0.05 0.00 0.00 99.90 19:38:01 2 0.55 0.00 0.03 0.00 0.02 99.40 19:38:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:39:01 all 0.19 0.00 0.05 0.00 0.00 99.77 19:39:01 0 0.08 0.00 0.05 0.00 0.00 99.87 19:39:01 1 0.05 0.00 0.02 0.00 0.00 99.93 19:39:01 2 0.57 0.00 0.03 0.00 0.00 99.40 19:39:01 3 0.08 0.00 0.05 0.00 0.00 99.87 19:40:01 all 0.17 0.00 0.03 0.00 0.00 99.80 19:40:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:40:01 1 0.08 0.00 0.05 0.00 0.00 99.87 19:40:01 2 0.53 0.00 0.03 0.00 0.00 99.43 19:40:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 0.70 0.00 0.29 0.15 0.00 98.87 Average: 0 0.63 0.00 0.30 0.06 0.00 99.01 Average: 1 0.70 0.00 0.28 0.09 0.00 98.92 Average: 2 0.89 0.00 0.30 0.43 0.00 98.37 Average: 3 0.56 0.00 0.27 0.01 0.00 99.15