---> uname -a: Linux da1402368d0c 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: 2933.442 BogoMIPS: 5866.88 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-137 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-137@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 599 75 0 1162 1134 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) 03/25/20 _x86_64_ (4 CPU) 02:12:47 LINUX RESTART 02:14:02 tps rtps wtps bread/s bwrtn/s 02:15:01 9.65 0.00 9.65 0.00 1767.50 02:16:01 0.53 0.00 0.53 0.00 8.09 02:17:01 0.25 0.00 0.25 0.00 3.23 02:18:01 0.32 0.00 0.32 0.00 4.68 02:19:01 0.33 0.00 0.33 0.00 5.06 02:20:01 0.45 0.00 0.45 0.00 5.10 02:21:01 1.87 1.17 0.70 74.34 9.34 02:22:01 1.43 0.00 1.43 0.00 29.63 02:23:01 0.22 0.00 0.22 0.00 3.50 Average: 1.66 0.13 1.53 8.28 201.13 02:14:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:15:01 113784 1768520 93.96 2620 1237452 933696 31.86 439948 1170232 8 02:16:01 117472 1764832 93.76 2620 1237456 902484 30.79 437276 1169932 16 02:17:01 117872 1764432 93.74 2620 1237464 902388 30.79 436800 1169932 12 02:18:01 97556 1784748 94.82 2620 1237468 902756 30.80 457380 1169932 20 02:19:01 116680 1765624 93.80 2620 1237476 902648 30.80 438272 1169932 12 02:20:01 117552 1764752 93.75 2620 1237536 902564 30.80 437652 1169940 12 02:21:01 119288 1763016 93.66 2620 1239752 915336 31.23 428532 1170636 16 02:22:01 119108 1763196 93.67 2620 1239756 915360 31.23 428560 1170636 16 02:23:01 122280 1760024 93.50 2620 1239760 905468 30.89 425244 1170636 12 Average: 115732 1766572 93.85 2620 1238236 909189 31.02 436629 1170201 14 02:14:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:15:01 eth0 2.25 0.37 0.56 0.25 0.00 0.00 0.00 02:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:16:01 eth0 1.03 0.52 0.31 0.21 0.00 0.00 0.00 02:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:17:01 eth0 1.67 0.37 0.36 0.17 0.00 0.00 0.00 02:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:18:01 eth0 0.57 0.30 0.27 0.23 0.00 0.00 0.00 02:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:19:01 eth0 0.32 0.25 0.14 0.08 0.00 0.00 0.00 02:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 02:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:21:01 eth0 6.83 3.83 5.79 2.16 0.00 0.00 0.00 02:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:22:01 eth0 2.07 1.22 1.59 0.85 0.00 0.00 0.00 02:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:23:01 eth0 0.95 0.58 0.71 0.34 0.00 0.00 0.00 02:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.75 0.84 1.09 0.48 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) 03/25/20 _x86_64_ (4 CPU) 02:12:47 LINUX RESTART 02:14:02 CPU %user %nice %system %iowait %steal %idle 02:15:01 all 0.22 0.00 0.11 0.00 0.00 99.67 02:15:01 0 0.56 0.00 0.14 0.00 0.00 99.31 02:15:01 1 0.10 0.00 0.08 0.00 0.02 99.80 02:15:01 2 0.08 0.00 0.07 0.00 0.00 99.85 02:15:01 3 0.14 0.00 0.12 0.00 0.00 99.75 02:16:01 all 0.21 0.00 0.05 0.00 0.00 99.74 02:16:01 0 0.32 0.00 0.03 0.00 0.00 99.65 02:16:01 1 0.08 0.00 0.05 0.00 0.00 99.87 02:16:01 2 0.33 0.00 0.08 0.00 0.00 99.58 02:16:01 3 0.10 0.00 0.07 0.00 0.00 99.83 02:17:01 all 0.19 0.00 0.05 0.00 0.00 99.75 02:17:01 0 0.03 0.00 0.03 0.00 0.00 99.93 02:17:01 1 0.17 0.00 0.05 0.00 0.00 99.78 02:17:01 2 0.48 0.00 0.05 0.00 0.00 99.47 02:17:01 3 0.07 0.00 0.05 0.00 0.00 99.88 02:18:01 all 0.52 0.00 0.08 0.00 0.00 99.40 02:18:01 0 0.12 0.00 0.03 0.00 0.00 99.85 02:18:01 1 0.53 0.00 0.07 0.00 0.00 99.40 02:18:01 2 0.07 0.00 0.03 0.00 0.00 99.90 02:18:01 3 1.35 0.00 0.15 0.00 0.00 98.50 02:19:01 all 0.17 0.00 0.05 0.00 0.00 99.78 02:19:01 0 0.05 0.00 0.05 0.00 0.00 99.90 02:19:01 1 0.08 0.00 0.05 0.00 0.00 99.87 02:19:01 2 0.10 0.00 0.05 0.00 0.00 99.85 02:19:01 3 0.47 0.00 0.07 0.00 0.00 99.47 02:20:01 all 0.18 0.00 0.05 0.00 0.00 99.76 02:20:01 0 0.02 0.00 0.05 0.00 0.00 99.93 02:20:01 1 0.08 0.00 0.05 0.00 0.02 99.85 02:20:01 2 0.53 0.00 0.07 0.00 0.00 99.40 02:20:01 3 0.08 0.00 0.05 0.00 0.00 99.87 02:21:01 all 0.35 0.00 0.23 0.01 0.00 99.41 02:21:01 0 0.37 0.00 0.25 0.02 0.00 99.37 02:21:01 1 0.23 0.00 0.23 0.00 0.00 99.53 02:21:01 2 0.60 0.00 0.17 0.02 0.00 99.22 02:21:01 3 0.18 0.00 0.25 0.03 0.00 99.53 02:22:01 all 0.20 0.00 0.07 0.00 0.00 99.74 02:22:01 0 0.07 0.00 0.07 0.00 0.00 99.87 02:22:01 1 0.08 0.00 0.08 0.00 0.00 99.83 02:22:01 2 0.57 0.00 0.05 0.00 0.00 99.38 02:22:01 3 0.07 0.00 0.05 0.00 0.00 99.88 02:23:01 all 0.20 0.00 0.06 0.00 0.00 99.74 02:23:01 0 0.10 0.00 0.08 0.00 0.00 99.82 02:23:01 1 0.57 0.00 0.05 0.00 0.00 99.38 02:23:01 2 0.07 0.00 0.08 0.00 0.00 99.85 02:23:01 3 0.08 0.00 0.03 0.00 0.00 99.88 Average: all 0.25 0.00 0.08 0.00 0.00 99.67 Average: 0 0.18 0.00 0.08 0.00 0.00 99.74 Average: 1 0.22 0.00 0.08 0.00 0.00 99.70 Average: 2 0.32 0.00 0.07 0.00 0.00 99.61 Average: 3 0.28 0.00 0.09 0.00 0.00 99.62