---> uname -a: Linux 4fe9b2f0a7aa 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-40 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-40@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 615 72 0 1150 1118 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) 01/14/20 _x86_64_ (4 CPU) 22:28:49 LINUX RESTART 22:30:01 tps rtps wtps bread/s bwrtn/s 22:31:01 3.81 0.00 3.81 0.00 113.37 22:32:01 0.72 0.00 0.72 0.00 8.64 22:33:01 0.68 0.00 0.68 0.00 8.66 22:34:01 0.55 0.00 0.55 0.00 5.83 22:35:01 0.78 0.00 0.78 0.00 9.81 Average: 1.31 0.00 1.31 0.00 29.26 22:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:31:01 117128 1765176 93.78 2620 1217460 908300 30.99 433124 1175716 8 22:32:01 115796 1766508 93.85 2620 1217468 908468 31.00 434480 1175368 8 22:33:01 115528 1766776 93.86 2620 1217476 908516 31.00 435876 1174304 8 22:34:01 117588 1764716 93.75 2620 1217476 906208 30.92 434224 1174212 8 22:35:01 117136 1765168 93.78 2620 1217484 906280 30.92 434660 1174212 8 Average: 116635 1765669 93.80 2620 1217473 907554 30.97 434473 1174762 8 22:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:31:01 eth0 0.92 0.20 0.15 0.01 0.00 0.00 0.00 22:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 eth0 1.31 0.78 0.60 0.41 0.00 0.00 0.00 22:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 eth0 0.70 0.58 0.54 0.22 0.00 0.00 0.00 22:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 eth0 0.23 0.17 0.08 0.07 0.00 0.00 0.00 22:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.65 0.36 0.28 0.14 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) 01/14/20 _x86_64_ (4 CPU) 22:28:49 LINUX RESTART 22:30:01 CPU %user %nice %system %iowait %steal %idle 22:31:01 all 0.10 0.00 0.06 0.00 0.26 99.58 22:31:01 0 0.25 0.00 0.08 0.00 0.28 99.38 22:31:01 1 0.05 0.00 0.08 0.00 0.22 99.65 22:31:01 2 0.05 0.00 0.03 0.00 0.25 99.67 22:31:01 3 0.05 0.00 0.07 0.00 0.25 99.63 22:32:01 all 0.10 0.00 0.05 0.00 0.15 99.70 22:32:01 0 0.22 0.00 0.05 0.00 0.25 99.48 22:32:01 1 0.07 0.00 0.07 0.00 0.10 99.77 22:32:01 2 0.07 0.00 0.03 0.00 0.15 99.75 22:32:01 3 0.02 0.00 0.05 0.00 0.10 99.83 22:33:01 all 0.12 0.00 0.05 0.00 0.13 99.70 22:33:01 0 0.32 0.00 0.02 0.00 0.12 99.55 22:33:01 1 0.08 0.00 0.05 0.00 0.22 99.65 22:33:01 2 0.03 0.00 0.02 0.00 0.05 99.90 22:33:01 3 0.08 0.00 0.10 0.00 0.15 99.67 22:34:01 all 0.08 0.00 0.03 0.00 0.31 99.58 22:34:01 0 0.13 0.00 0.03 0.00 0.23 99.60 22:34:01 1 0.05 0.00 0.03 0.00 0.55 99.37 22:34:01 2 0.03 0.00 0.03 0.00 0.30 99.63 22:34:01 3 0.10 0.00 0.03 0.00 0.17 99.70 22:35:01 all 0.12 0.00 0.03 0.00 0.18 99.67 22:35:01 0 0.03 0.00 0.02 0.00 0.07 99.88 22:35:01 1 0.10 0.00 0.05 0.00 0.23 99.62 22:35:01 2 0.05 0.00 0.02 0.00 0.13 99.80 22:35:01 3 0.30 0.00 0.03 0.00 0.28 99.38 Average: all 0.10 0.00 0.04 0.00 0.21 99.64 Average: 0 0.19 0.00 0.04 0.00 0.19 99.58 Average: 1 0.07 0.00 0.06 0.00 0.26 99.61 Average: 2 0.05 0.00 0.03 0.00 0.18 99.75 Average: 3 0.11 0.00 0.06 0.00 0.19 99.64