---> uname -a: Linux f7b4980e929c 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-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 617 70 0 1150 1115 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) 02/25/20 _x86_64_ (4 CPU) 22:22:29 LINUX RESTART 22:23:01 tps rtps wtps bread/s bwrtn/s 22:24:02 39.81 10.25 29.56 2328.93 3274.58 22:25:01 2.62 0.00 2.62 0.00 88.20 22:26:01 0.30 0.00 0.30 0.00 3.91 22:27:01 0.65 0.00 0.65 0.00 7.21 22:28:01 0.65 0.00 0.65 0.00 7.79 22:29:01 0.78 0.00 0.78 0.00 9.76 22:30:01 0.60 0.00 0.60 0.00 6.79 Average: 6.50 1.47 5.03 333.77 486.79 22:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:24:02 103388 1778916 94.51 2620 1219752 956640 32.64 454964 1165468 16 22:25:01 113828 1768476 93.95 2620 1219756 903428 30.82 451612 1159612 20 22:26:01 113548 1768756 93.97 2620 1219764 903476 30.83 451876 1159612 8 22:27:01 113580 1768724 93.97 2620 1219764 903488 30.83 452088 1159612 8 22:28:01 113284 1769020 93.98 2620 1219772 903548 30.83 452308 1159612 12 22:29:01 114484 1767820 93.92 2620 1219780 903368 30.82 451348 1159612 12 22:30:01 114524 1767780 93.92 2620 1219784 903368 30.82 451344 1159612 8 Average: 112377 1769927 94.03 2620 1219767 911045 31.08 452220 1160449 12 22:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:24:02 eth0 363.85 239.06 647.91 70.64 0.00 0.00 0.00 22:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:24:02 docker0 1.08 1.06 0.22 1.45 0.00 0.00 0.00 22:25:01 eth0 1.39 0.29 0.42 0.02 0.00 0.00 0.00 22:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:01 eth0 1.27 0.40 0.32 0.17 0.00 0.00 0.00 22:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 eth0 0.93 0.35 0.32 0.23 0.00 0.00 0.00 22:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 eth0 0.68 0.42 0.40 0.26 0.00 0.00 0.00 22:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 eth0 0.12 0.12 0.01 0.01 0.00 0.00 0.00 22:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 22:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 52.78 34.50 93.06 10.23 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.15 0.15 0.03 0.21 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) 02/25/20 _x86_64_ (4 CPU) 22:22:29 LINUX RESTART 22:23:01 CPU %user %nice %system %iowait %steal %idle 22:24:02 all 6.44 0.00 2.60 1.19 0.62 89.15 22:24:02 0 5.36 0.00 3.15 0.24 0.61 90.65 22:24:02 1 6.77 0.00 2.71 4.31 0.59 85.62 22:24:02 2 6.51 0.00 2.37 0.10 0.69 90.32 22:24:02 3 7.13 0.00 2.10 0.10 0.59 90.08 22:25:01 all 0.19 0.00 0.08 0.00 0.05 99.68 22:25:01 0 0.31 0.00 0.08 0.00 0.05 99.56 22:25:01 1 0.08 0.00 0.07 0.00 0.03 99.81 22:25:01 2 0.29 0.00 0.08 0.00 0.05 99.58 22:25:01 3 0.08 0.00 0.14 0.00 0.05 99.73 22:26:01 all 0.17 0.00 0.06 0.00 0.06 99.71 22:26:01 0 0.05 0.00 0.05 0.00 0.05 99.85 22:26:01 1 0.12 0.00 0.05 0.00 0.07 99.77 22:26:01 2 0.45 0.00 0.10 0.00 0.12 99.33 22:26:01 3 0.03 0.00 0.03 0.00 0.03 99.90 22:27:01 all 0.12 0.00 0.05 0.00 0.05 99.78 22:27:01 0 0.10 0.00 0.05 0.00 0.07 99.78 22:27:01 1 0.07 0.00 0.03 0.00 0.05 99.85 22:27:01 2 0.27 0.00 0.05 0.00 0.07 99.62 22:27:01 3 0.05 0.00 0.05 0.00 0.03 99.87 22:28:01 all 0.18 0.00 0.05 0.00 0.08 99.69 22:28:01 0 0.52 0.00 0.03 0.00 0.15 99.30 22:28:01 1 0.10 0.00 0.05 0.00 0.07 99.78 22:28:01 2 0.07 0.00 0.03 0.00 0.03 99.87 22:28:01 3 0.07 0.00 0.05 0.00 0.07 99.82 22:29:01 all 0.19 0.00 0.05 0.00 0.01 99.75 22:29:01 0 0.52 0.00 0.05 0.00 0.02 99.42 22:29:01 1 0.07 0.00 0.07 0.00 0.00 99.87 22:29:01 2 0.08 0.00 0.05 0.00 0.02 99.85 22:29:01 3 0.07 0.00 0.07 0.00 0.02 99.85 22:30:01 all 0.18 0.00 0.05 0.00 0.01 99.76 22:30:01 0 0.25 0.00 0.03 0.00 0.02 99.70 22:30:01 1 0.08 0.00 0.07 0.00 0.02 99.83 22:30:01 2 0.35 0.00 0.05 0.00 0.00 99.60 22:30:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 1.06 0.00 0.42 0.17 0.13 98.23 Average: 0 1.01 0.00 0.49 0.03 0.14 98.33 Average: 1 1.04 0.00 0.43 0.61 0.12 97.80 Average: 2 1.14 0.00 0.39 0.01 0.14 98.32 Average: 3 1.06 0.00 0.35 0.01 0.11 98.46