---> uname -a: Linux 17b9651bac02 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-142 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-142@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 605 65 0 1166 1127 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) 04/21/20 _x86_64_ (4 CPU) 20:04:40 LINUX RESTART 20:05:02 tps rtps wtps bread/s bwrtn/s 20:06:01 91.69 38.22 53.47 5043.38 15915.96 20:07:01 4.00 0.00 4.00 0.00 116.07 20:08:01 0.68 0.00 0.68 0.00 8.81 20:09:01 0.45 0.00 0.45 0.00 6.46 20:10:01 0.23 0.00 0.23 0.00 3.46 20:11:01 0.37 0.00 0.37 0.00 4.43 20:12:01 0.72 0.00 0.72 0.00 8.66 20:13:01 0.70 0.00 0.70 0.00 8.56 20:14:01 0.17 0.00 0.17 0.00 1.75 20:15:01 0.28 0.00 0.28 0.00 3.75 Average: 9.80 3.77 6.03 497.20 1585.30 20:05:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:06:01 109668 1772636 94.17 2620 1219308 939268 32.05 432652 1174608 12 20:07:01 118060 1764244 93.73 2620 1219156 901612 30.76 427508 1174264 12 20:08:01 116796 1765508 93.80 2620 1219168 901820 30.77 428372 1174252 8 20:09:01 117600 1764704 93.75 2620 1219168 901664 30.76 427676 1174252 16 20:10:01 117492 1764812 93.76 2620 1219176 901700 30.77 427940 1174252 8 20:11:01 118248 1764056 93.72 2620 1219180 901692 30.77 427600 1174252 8 20:12:01 117804 1764500 93.74 2620 1219184 901892 30.77 427848 1174248 8 20:13:01 125076 1757228 93.36 2620 1219188 901932 30.77 420696 1174048 8 20:14:01 124780 1757524 93.37 2620 1219192 902072 30.78 421324 1174048 8 20:15:01 137104 1745200 92.72 2620 1219200 901868 30.77 408872 1174048 8 Average: 120263 1762041 93.61 2620 1219192 905552 30.90 425049 1174227 10 20:05:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:06:01 eth0 417.43 244.69 1025.31 91.37 0.00 0.00 0.00 20:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:06:01 docker0 1.32 1.24 0.26 3.16 0.00 0.00 0.00 20:07:01 eth0 1.20 0.38 0.33 0.17 0.00 0.00 0.00 20:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 eth0 1.60 0.30 0.36 0.23 0.00 0.00 0.00 20:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:01 eth0 1.22 0.33 0.33 0.20 0.00 0.00 0.00 20:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 eth0 1.07 0.70 0.54 0.41 0.00 0.00 0.00 20:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 eth0 1.35 0.18 0.21 0.07 0.00 0.00 0.00 20:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 eth0 1.82 0.33 0.38 0.20 0.00 0.00 0.00 20:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 eth0 1.32 0.50 0.57 0.36 0.00 0.00 0.00 20:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:14:01 eth0 0.47 0.30 0.27 0.23 0.00 0.00 0.00 20:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:15:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 20:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 42.16 24.43 101.38 9.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.13 0.12 0.03 0.31 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) 04/21/20 _x86_64_ (4 CPU) 20:04:40 LINUX RESTART 20:05:02 CPU %user %nice %system %iowait %steal %idle 20:06:01 all 15.83 0.00 6.28 4.09 0.08 73.72 20:06:01 0 14.77 0.00 6.09 2.93 0.07 76.14 20:06:01 1 15.74 0.00 6.55 3.51 0.09 74.12 20:06:01 2 15.92 0.00 6.76 5.61 0.10 71.61 20:06:01 3 16.90 0.00 5.75 4.25 0.07 73.03 20:07:01 all 0.16 0.00 0.06 0.00 0.00 99.78 20:07:01 0 0.20 0.00 0.05 0.00 0.00 99.75 20:07:01 1 0.27 0.00 0.07 0.00 0.00 99.67 20:07:01 2 0.10 0.00 0.05 0.00 0.00 99.85 20:07:01 3 0.10 0.00 0.07 0.00 0.00 99.83 20:08:01 all 0.20 0.00 0.05 0.00 0.00 99.75 20:08:01 0 0.53 0.00 0.03 0.00 0.00 99.43 20:08:01 1 0.10 0.00 0.03 0.00 0.00 99.87 20:08:01 2 0.10 0.00 0.07 0.00 0.00 99.83 20:08:01 3 0.07 0.00 0.07 0.00 0.00 99.87 20:09:01 all 0.19 0.00 0.05 0.00 0.00 99.77 20:09:01 0 0.52 0.00 0.02 0.00 0.00 99.47 20:09:01 1 0.08 0.00 0.07 0.00 0.00 99.85 20:09:01 2 0.07 0.00 0.07 0.00 0.00 99.87 20:09:01 3 0.08 0.00 0.05 0.00 0.00 99.87 20:10:01 all 0.20 0.00 0.05 0.00 0.00 99.75 20:10:01 0 0.53 0.00 0.03 0.00 0.00 99.43 20:10:01 1 0.10 0.00 0.07 0.00 0.00 99.83 20:10:01 2 0.07 0.00 0.03 0.00 0.02 99.88 20:10:01 3 0.08 0.00 0.03 0.00 0.00 99.88 20:11:01 all 0.18 0.00 0.05 0.00 0.00 99.77 20:11:01 0 0.50 0.00 0.03 0.00 0.00 99.47 20:11:01 1 0.08 0.00 0.07 0.00 0.00 99.85 20:11:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:11:01 3 0.08 0.00 0.07 0.00 0.00 99.85 20:12:01 all 0.19 0.00 0.05 0.00 0.00 99.76 20:12:01 0 0.53 0.00 0.03 0.00 0.00 99.43 20:12:01 1 0.08 0.00 0.05 0.00 0.00 99.87 20:12:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:12:01 3 0.10 0.00 0.08 0.00 0.02 99.80 20:13:01 all 0.19 0.00 0.04 0.00 0.00 99.77 20:13:01 0 0.40 0.00 0.02 0.00 0.00 99.58 20:13:01 1 0.08 0.00 0.03 0.00 0.00 99.88 20:13:01 2 0.18 0.00 0.03 0.00 0.00 99.78 20:13:01 3 0.08 0.00 0.08 0.00 0.00 99.83 20:14:01 all 0.20 0.00 0.05 0.00 0.00 99.76 20:14:01 0 0.10 0.00 0.05 0.00 0.00 99.85 20:14:01 1 0.12 0.00 0.07 0.00 0.00 99.82 20:14:01 2 0.53 0.00 0.03 0.00 0.00 99.43 20:14:01 3 0.05 0.00 0.03 0.00 0.00 99.92 20:15:01 all 0.11 0.00 0.07 0.00 0.00 99.81 20:15:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:15:01 1 0.05 0.00 0.03 0.00 0.00 99.92 20:15:01 2 0.12 0.00 0.05 0.00 0.00 99.83 20:15:01 3 0.23 0.00 0.15 0.00 0.00 99.62 Average: all 1.71 0.00 0.66 0.40 0.01 97.23 Average: 0 1.77 0.00 0.62 0.29 0.01 97.31 Average: 1 1.63 0.00 0.69 0.34 0.01 97.33 Average: 2 1.68 0.00 0.70 0.55 0.01 97.06 Average: 3 1.74 0.00 0.62 0.41 0.01 97.22