---> uname -a: Linux ef7f163d2146 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 6.3G 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 6.3G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-142 /dev/vda1 50.0G 6.3G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-142@tmp /dev/vda1 50.0G 6.3G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 626 75 0 1135 1107 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) 04/21/20 _x86_64_ (4 CPU) 20:33:19 LINUX RESTART 20:34:02 tps rtps wtps bread/s bwrtn/s 20:35:01 20.28 6.93 13.36 1991.33 2019.49 20:36:01 2.13 0.00 2.13 0.00 76.74 20:37:01 0.28 0.00 0.28 0.00 3.28 20:38:01 0.30 0.00 0.30 0.00 3.61 20:39:01 0.25 0.00 0.25 0.00 3.51 20:40:01 0.33 0.02 0.32 0.13 4.06 20:41:01 0.28 0.00 0.28 0.00 3.20 20:42:01 0.33 0.00 0.33 0.00 4.86 20:43:01 0.23 0.00 0.23 0.00 2.98 Average: 2.68 0.76 1.92 218.03 232.49 20:34:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:35:01 102760 1779544 94.54 2620 1213700 957440 32.67 431084 1184532 12 20:36:01 106288 1776016 94.35 2620 1213704 951704 32.47 432792 1180220 8 20:37:01 110040 1772264 94.15 2620 1213716 912772 31.14 431164 1178804 8 20:38:01 111296 1771008 94.09 2620 1213716 912616 31.14 430336 1178804 8 20:39:01 110128 1772176 94.15 2620 1213724 912772 31.14 431196 1178804 8 20:40:01 111076 1771228 94.10 2620 1213732 912616 31.14 430456 1178804 12 20:41:01 120356 1761948 93.61 2620 1213736 912616 31.14 421352 1178692 8 20:42:01 120172 1762132 93.62 2620 1213740 912616 31.14 421492 1178692 8 20:43:01 119964 1762340 93.63 2620 1213744 912616 31.14 421564 1178692 8 Average: 112453 1769851 94.03 2620 1213724 921974 31.46 427937 1179560 9 20:34:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:35:01 eth0 48.39 37.52 337.77 28.13 0.00 0.00 0.00 20:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 docker0 1.42 1.15 0.27 3.17 0.00 0.00 0.00 20:36:01 eth0 1.80 0.52 0.59 0.39 0.00 0.00 0.00 20:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 eth0 0.72 0.35 0.29 0.20 0.00 0.00 0.00 20:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 20:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:39:01 eth0 0.67 0.42 0.40 0.24 0.00 0.00 0.00 20:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 eth0 0.08 0.08 0.01 0.03 0.00 0.00 0.00 20:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:41:01 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 20:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:42:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 20:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:43:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 20:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 5.71 4.30 37.13 3.18 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.16 0.13 0.03 0.35 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) 20:33:19 LINUX RESTART 20:34:02 CPU %user %nice %system %iowait %steal %idle 20:35:01 all 2.79 0.00 1.36 0.08 0.00 95.77 20:35:01 0 2.47 0.00 1.38 0.07 0.00 96.09 20:35:01 1 3.25 0.00 1.33 0.12 0.00 95.30 20:35:01 2 2.55 0.00 1.33 0.09 0.00 96.03 20:35:01 3 2.87 0.00 1.39 0.05 0.00 95.68 20:36:01 all 0.13 0.00 0.08 0.00 0.00 99.79 20:36:01 0 0.20 0.00 0.07 0.00 0.00 99.73 20:36:01 1 0.12 0.00 0.13 0.00 0.02 99.73 20:36:01 2 0.13 0.00 0.07 0.00 0.02 99.78 20:36:01 3 0.10 0.00 0.05 0.00 0.02 99.83 20:37:01 all 0.17 0.00 0.07 0.00 0.00 99.75 20:37:01 0 0.42 0.00 0.07 0.00 0.00 99.52 20:37:01 1 0.07 0.00 0.07 0.00 0.00 99.87 20:37:01 2 0.08 0.00 0.07 0.00 0.00 99.85 20:37:01 3 0.10 0.00 0.07 0.00 0.00 99.83 20:38:01 all 0.18 0.00 0.05 0.00 0.00 99.77 20:38:01 0 0.52 0.00 0.02 0.00 0.00 99.47 20:38:01 1 0.05 0.00 0.05 0.00 0.00 99.90 20:38:01 2 0.10 0.00 0.08 0.00 0.00 99.82 20:38:01 3 0.03 0.00 0.05 0.00 0.00 99.92 20:39:01 all 0.20 0.00 0.05 0.00 0.00 99.74 20:39:01 0 0.53 0.00 0.05 0.00 0.00 99.42 20:39:01 1 0.08 0.00 0.07 0.00 0.00 99.85 20:39:01 2 0.10 0.00 0.07 0.00 0.00 99.83 20:39:01 3 0.08 0.00 0.05 0.00 0.00 99.87 20:40:01 all 0.17 0.00 0.05 0.00 0.00 99.78 20:40:01 0 0.52 0.00 0.02 0.00 0.00 99.47 20:40:01 1 0.07 0.00 0.07 0.00 0.00 99.87 20:40:01 2 0.03 0.00 0.05 0.00 0.00 99.92 20:40:01 3 0.08 0.00 0.05 0.00 0.00 99.87 20:41:01 all 0.18 0.00 0.05 0.00 0.00 99.77 20:41:01 0 0.18 0.00 0.03 0.00 0.00 99.78 20:41:01 1 0.08 0.00 0.08 0.00 0.00 99.83 20:41:01 2 0.08 0.00 0.07 0.00 0.00 99.85 20:41:01 3 0.37 0.00 0.03 0.00 0.00 99.60 20:42:01 all 0.16 0.00 0.04 0.00 0.00 99.79 20:42:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:42:01 1 0.03 0.00 0.05 0.00 0.00 99.92 20:42:01 2 0.07 0.00 0.05 0.00 0.02 99.87 20:42:01 3 0.52 0.00 0.03 0.00 0.00 99.45 20:43:01 all 0.18 0.00 0.04 0.00 0.00 99.78 20:43:01 0 0.05 0.00 0.07 0.00 0.00 99.88 20:43:01 1 0.07 0.00 0.07 0.00 0.00 99.87 20:43:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:43:01 3 0.53 0.00 0.03 0.00 0.00 99.43 Average: all 0.46 0.00 0.20 0.01 0.00 99.34 Average: 0 0.54 0.00 0.19 0.01 0.00 99.26 Average: 1 0.42 0.00 0.21 0.01 0.00 99.36 Average: 2 0.35 0.00 0.20 0.01 0.00 99.44 Average: 3 0.52 0.00 0.19 0.01 0.00 99.28