---> uname -a: Linux e3460fbd8f1f 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-145@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-145 ---> free -m: total used free shared buff/cache available Mem: 1838 605 75 0 1157 1129 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) 05/13/20 _x86_64_ (4 CPU) 14:00:02 LINUX RESTART 14:01:01 tps rtps wtps bread/s bwrtn/s 14:02:01 12.49 1.53 10.95 82.44 2068.55 14:03:01 2.83 0.00 2.83 0.00 88.48 14:04:01 0.15 0.00 0.15 0.00 2.01 14:05:01 0.27 0.00 0.27 0.00 3.46 14:06:01 0.23 0.00 0.23 0.00 4.56 14:07:02 0.32 0.00 0.32 0.00 4.96 14:08:01 0.27 0.00 0.27 0.00 3.68 14:09:01 0.30 0.00 0.30 0.00 4.86 14:10:01 0.28 0.00 0.28 0.00 4.31 Average: 1.91 0.17 1.74 9.18 243.30 14:01:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:02:01 113396 1768908 93.98 2620 1228236 938884 32.03 432496 1173140 16 14:03:01 118884 1763420 93.68 2620 1228240 915568 31.24 428048 1173068 8 14:04:01 119144 1763160 93.67 2620 1228248 912500 31.13 427412 1173032 8 14:05:01 119948 1762356 93.63 2620 1228248 910432 31.06 427176 1173028 8 14:06:01 120720 1761584 93.59 2620 1228252 900272 30.72 426912 1173028 8 14:07:02 121204 1761100 93.56 2620 1228260 900152 30.71 426432 1173024 8 14:08:01 122944 1759360 93.47 2620 1228260 900124 30.71 424364 1173024 8 14:09:01 122844 1759460 93.47 2620 1228272 900152 30.71 424260 1173024 8 14:10:01 122680 1759624 93.48 2620 1228276 900152 30.71 424516 1173024 8 Average: 120196 1762108 93.61 2620 1228255 908693 31.00 426846 1173044 9 14:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:02:01 eth0 22.59 14.80 20.21 16.60 0.00 0.00 0.00 14:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:02:01 docker0 1.56 1.33 0.28 3.20 0.00 0.00 0.00 14:03:01 eth0 2.83 0.65 0.68 0.40 0.00 0.00 0.00 14:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 eth0 1.75 0.62 0.64 0.37 0.00 0.00 0.00 14:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:05:01 eth0 0.60 0.32 0.28 0.23 0.00 0.00 0.00 14:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:06:01 eth0 1.02 0.35 0.43 0.26 0.00 0.00 0.00 14:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:07:02 eth0 0.08 0.05 0.01 0.00 0.00 0.00 0.00 14:07:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:07:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:08:01 eth0 0.14 0.10 0.01 0.01 0.00 0.00 0.00 14:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:09:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 14:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 14:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.25 1.90 2.48 1.99 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.17 0.15 0.03 0.36 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) 05/13/20 _x86_64_ (4 CPU) 14:00:02 LINUX RESTART 14:01:01 CPU %user %nice %system %iowait %steal %idle 14:02:01 all 1.32 0.00 0.63 0.03 0.03 97.98 14:02:01 0 1.12 0.00 0.65 0.02 0.03 98.18 14:02:01 1 1.37 0.00 0.58 0.02 0.07 97.96 14:02:01 2 1.22 0.00 0.83 0.02 0.02 97.91 14:02:01 3 1.60 0.00 0.48 0.08 0.02 97.81 14:03:01 all 0.20 0.00 0.08 0.00 0.00 99.72 14:03:01 0 0.48 0.00 0.03 0.00 0.00 99.48 14:03:01 1 0.13 0.00 0.08 0.00 0.02 99.77 14:03:01 2 0.10 0.00 0.10 0.00 0.02 99.78 14:03:01 3 0.12 0.00 0.05 0.00 0.00 99.83 14:04:01 all 0.20 0.00 0.06 0.00 0.01 99.72 14:04:01 0 0.48 0.00 0.03 0.00 0.02 99.47 14:04:01 1 0.05 0.00 0.05 0.00 0.00 99.90 14:04:01 2 0.12 0.00 0.10 0.00 0.00 99.78 14:04:01 3 0.12 0.00 0.07 0.00 0.02 99.80 14:05:01 all 0.19 0.00 0.05 0.00 0.00 99.76 14:05:01 0 0.52 0.00 0.03 0.00 0.00 99.45 14:05:01 1 0.08 0.00 0.05 0.00 0.02 99.85 14:05:01 2 0.08 0.00 0.08 0.00 0.02 99.82 14:05:01 3 0.08 0.00 0.03 0.00 0.00 99.88 14:06:01 all 0.18 0.00 0.05 0.00 0.00 99.77 14:06:01 0 0.55 0.00 0.03 0.00 0.02 99.40 14:06:01 1 0.07 0.00 0.05 0.00 0.00 99.88 14:06:01 2 0.07 0.00 0.03 0.00 0.00 99.90 14:06:01 3 0.07 0.00 0.05 0.00 0.00 99.88 14:07:02 all 0.17 0.00 0.03 0.00 0.00 99.80 14:07:02 0 0.48 0.00 0.03 0.00 0.00 99.48 14:07:02 1 0.05 0.00 0.03 0.00 0.00 99.92 14:07:02 2 0.07 0.00 0.05 0.00 0.02 99.87 14:07:02 3 0.05 0.00 0.03 0.00 0.00 99.92 14:08:01 all 0.17 0.00 0.05 0.00 0.03 99.76 14:08:01 0 0.47 0.00 0.03 0.00 0.02 99.47 14:08:01 1 0.05 0.00 0.05 0.00 0.02 99.88 14:08:01 2 0.10 0.00 0.05 0.00 0.05 99.80 14:08:01 3 0.05 0.00 0.07 0.00 0.03 99.85 14:09:01 all 0.12 0.00 0.05 0.00 0.00 99.82 14:09:01 0 0.30 0.00 0.08 0.00 0.00 99.62 14:09:01 1 0.03 0.00 0.03 0.00 0.00 99.93 14:09:01 2 0.12 0.00 0.10 0.00 0.00 99.78 14:09:01 3 0.03 0.00 0.02 0.00 0.00 99.95 14:10:01 all 0.06 0.00 0.06 0.00 0.00 99.88 14:10:01 0 0.05 0.00 0.05 0.00 0.00 99.90 14:10:01 1 0.08 0.00 0.07 0.00 0.00 99.85 14:10:01 2 0.07 0.00 0.07 0.00 0.00 99.87 14:10:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.29 0.00 0.12 0.00 0.01 99.58 Average: 0 0.50 0.00 0.11 0.00 0.01 99.38 Average: 1 0.21 0.00 0.11 0.00 0.01 99.66 Average: 2 0.22 0.00 0.16 0.00 0.01 99.61 Average: 3 0.24 0.00 0.09 0.01 0.01 99.65