---> uname -a: Linux 4b0b71f8d3f1 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/gexfoundry_device-mqtt-go_PR-131 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-131@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 610 69 0 1158 1123 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) 01/22/20 _x86_64_ (4 CPU) 22:42:15 LINUX RESTART 22:43:01 tps rtps wtps bread/s bwrtn/s 22:44:01 8.98 0.05 8.93 1.60 1844.15 22:45:01 2.25 0.00 2.25 0.00 76.97 22:46:01 0.35 0.00 0.35 0.00 4.16 22:47:01 0.27 0.00 0.27 0.00 3.46 22:48:01 0.22 0.00 0.22 0.00 2.63 22:49:01 0.38 0.00 0.38 0.00 4.98 22:50:01 0.65 0.00 0.65 0.00 8.08 22:51:01 0.53 0.00 0.53 0.00 6.13 Average: 1.70 0.01 1.70 0.20 243.82 22:43:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:44:01 115560 1766744 93.86 2620 1224704 919708 31.38 428676 1180676 20 22:45:01 117920 1764384 93.74 2620 1224708 902232 30.78 428032 1179544 8 22:46:01 116652 1765652 93.80 2620 1224716 902412 30.79 429072 1179544 12 22:47:01 117652 1764652 93.75 2620 1224716 902232 30.78 428132 1179544 8 22:48:01 117560 1764744 93.75 2620 1224724 902316 30.79 428456 1179544 8 22:49:01 117848 1764456 93.74 2620 1224728 902268 30.78 428228 1179540 8 22:50:01 123944 1758360 93.42 2620 1224732 902232 30.78 421720 1179540 8 22:51:01 124204 1758100 93.40 2620 1224740 902232 30.78 421728 1179540 8 Average: 118918 1763387 93.68 2620 1224721 904454 30.86 426756 1179684 10 22:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:44:01 eth0 0.68 0.58 0.28 0.30 0.00 0.00 0.00 22:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 eth0 0.77 0.05 0.06 0.00 0.00 0.00 0.00 22:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 eth0 0.50 0.40 0.27 0.20 0.00 0.00 0.00 22:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 22:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 22:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:01 eth0 0.22 0.18 0.07 0.01 0.00 0.00 0.00 22:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 22:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 22:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.33 0.20 0.10 0.08 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) 01/22/20 _x86_64_ (4 CPU) 22:42:15 LINUX RESTART 22:43:01 CPU %user %nice %system %iowait %steal %idle 22:44:01 all 0.23 0.00 0.08 0.00 0.00 99.69 22:44:01 0 0.07 0.00 0.05 0.00 0.00 99.88 22:44:01 1 0.63 0.00 0.08 0.00 0.00 99.28 22:44:01 2 0.10 0.00 0.12 0.00 0.00 99.78 22:44:01 3 0.10 0.00 0.08 0.00 0.00 99.82 22:45:01 all 0.15 0.00 0.05 0.00 0.00 99.80 22:45:01 0 0.05 0.00 0.05 0.00 0.00 99.90 22:45:01 1 0.42 0.00 0.10 0.00 0.00 99.48 22:45:01 2 0.07 0.00 0.05 0.00 0.00 99.88 22:45:01 3 0.05 0.00 0.03 0.00 0.00 99.92 22:46:01 all 0.06 0.00 0.04 0.00 0.00 99.90 22:46:01 0 0.02 0.00 0.03 0.00 0.00 99.95 22:46:01 1 0.08 0.00 0.07 0.00 0.00 99.85 22:46:01 2 0.08 0.00 0.07 0.00 0.02 99.83 22:46:01 3 0.05 0.00 0.03 0.00 0.00 99.92 22:47:01 all 0.17 0.00 0.05 0.00 0.00 99.78 22:47:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:47:01 1 0.50 0.00 0.05 0.00 0.00 99.45 22:47:01 2 0.05 0.00 0.05 0.00 0.00 99.90 22:47:01 3 0.07 0.00 0.05 0.00 0.02 99.87 22:48:01 all 0.18 0.00 0.04 0.00 0.00 99.78 22:48:01 0 0.05 0.00 0.07 0.00 0.00 99.88 22:48:01 1 0.52 0.00 0.02 0.00 0.00 99.47 22:48:01 2 0.07 0.00 0.03 0.00 0.00 99.90 22:48:01 3 0.07 0.00 0.03 0.00 0.00 99.90 22:49:01 all 0.18 0.00 0.03 0.00 0.00 99.78 22:49:01 0 0.07 0.00 0.05 0.00 0.00 99.88 22:49:01 1 0.53 0.00 0.02 0.00 0.00 99.45 22:49:01 2 0.05 0.00 0.02 0.00 0.00 99.93 22:49:01 3 0.08 0.00 0.05 0.00 0.00 99.87 22:50:01 all 0.17 0.00 0.04 0.00 0.00 99.79 22:50:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:50:01 1 0.05 0.00 0.03 0.00 0.00 99.92 22:50:01 2 0.05 0.00 0.05 0.00 0.00 99.90 22:50:01 3 0.53 0.00 0.03 0.00 0.00 99.43 22:51:01 all 0.19 0.00 0.04 0.00 0.00 99.77 22:51:01 0 0.05 0.00 0.05 0.00 0.00 99.90 22:51:01 1 0.08 0.00 0.05 0.00 0.00 99.87 22:51:01 2 0.05 0.00 0.03 0.00 0.02 99.90 22:51:01 3 0.57 0.00 0.02 0.00 0.00 99.42 Average: all 0.16 0.00 0.05 0.00 0.00 99.79 Average: 0 0.05 0.00 0.05 0.00 0.00 99.90 Average: 1 0.35 0.00 0.05 0.00 0.00 99.60 Average: 2 0.06 0.00 0.05 0.00 0.00 99.88 Average: 3 0.19 0.00 0.04 0.00 0.00 99.77