---> uname -a: Linux ca00c3d967ac 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: 2933.396 BogoMIPS: 5866.79 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% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-145 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-145@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 606 75 0 1156 1128 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) 04/28/20 _x86_64_ (4 CPU) 05:13:12 LINUX RESTART 05:14:01 tps rtps wtps bread/s bwrtn/s 05:15:01 12.92 1.46 11.45 85.50 1845.36 05:16:01 2.86 0.00 2.86 0.00 90.81 05:17:01 0.58 0.00 0.58 0.00 6.53 05:18:01 0.60 0.00 0.60 0.00 8.19 05:19:01 0.65 0.00 0.65 0.00 7.93 05:20:01 0.72 0.00 0.72 0.00 8.61 05:21:01 0.68 0.00 0.68 0.00 7.83 05:22:01 0.68 0.00 0.68 0.00 8.23 05:23:01 0.58 0.00 0.58 0.00 6.26 05:24:01 0.68 0.00 0.68 0.00 7.83 05:25:01 0.68 0.00 0.68 0.00 7.71 05:26:01 0.75 0.00 0.75 0.00 8.46 05:27:01 0.58 0.00 0.58 0.00 5.78 Average: 1.77 0.11 1.66 6.58 155.40 05:14:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:15:01 112180 1770124 94.04 2620 1244020 935588 31.92 420496 1186828 20 05:16:01 118244 1764060 93.72 2620 1244024 908040 30.98 415844 1186032 12 05:17:01 118212 1764092 93.72 2620 1244032 908040 30.98 415864 1186032 8 05:18:01 117548 1764756 93.76 2620 1244036 908248 30.99 416812 1186032 8 05:19:01 117864 1764440 93.74 2620 1244044 908176 30.99 416360 1186032 8 05:20:01 117832 1764472 93.74 2620 1244048 908200 30.99 416544 1186028 8 05:21:01 134284 1748020 92.87 2620 1244052 908104 30.98 400420 1185940 8 05:22:01 134148 1748156 92.87 2620 1244056 908104 30.98 400548 1185940 8 05:23:01 134208 1748096 92.87 2620 1244120 908104 30.98 400556 1185952 24 05:24:01 134656 1747648 92.85 2620 1244068 908160 30.99 400136 1185940 8 05:25:01 134252 1748052 92.87 2620 1244072 908164 30.99 400044 1185940 8 05:26:01 134952 1747352 92.83 2620 1244080 908104 30.98 399500 1185940 8 05:27:01 135032 1747272 92.83 2620 1244084 908104 30.98 399428 1185940 8 Average: 126416 1755888 93.28 2620 1244057 910241 31.06 407889 1186044 10 05:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:15:01 eth0 27.22 20.46 24.63 26.17 0.00 0.00 0.00 05:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 docker0 1.58 1.22 0.29 3.22 0.00 0.00 0.00 05:16:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 05:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 eth0 0.43 0.05 0.04 0.00 0.00 0.00 0.00 05:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:18:01 eth0 0.50 0.27 0.27 0.20 0.00 0.00 0.00 05:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 eth0 1.07 0.20 0.15 0.07 0.00 0.00 0.00 05:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 eth0 0.67 0.45 0.36 0.18 0.00 0.00 0.00 05:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 05:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 05:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 05:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 eth0 0.22 0.20 0.08 0.07 0.00 0.00 0.00 05:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 eth0 0.20 0.17 0.07 0.01 0.00 0.00 0.00 05:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 05:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 05:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.38 1.72 1.97 2.06 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.12 0.09 0.02 0.25 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) 04/28/20 _x86_64_ (4 CPU) 05:13:12 LINUX RESTART 05:14:01 CPU %user %nice %system %iowait %steal %idle 05:15:01 all 1.87 0.00 0.86 0.02 0.02 97.24 05:15:01 0 2.02 0.00 0.84 0.03 0.00 97.11 05:15:01 1 1.97 0.00 0.95 0.02 0.03 97.03 05:15:01 2 1.97 0.00 0.90 0.03 0.02 97.08 05:15:01 3 1.50 0.00 0.75 0.02 0.02 97.71 05:16:01 all 0.18 0.00 0.08 0.00 0.00 99.74 05:16:01 0 0.07 0.00 0.08 0.00 0.00 99.85 05:16:01 1 0.08 0.00 0.08 0.00 0.00 99.83 05:16:01 2 0.30 0.00 0.10 0.00 0.02 99.58 05:16:01 3 0.28 0.00 0.05 0.00 0.00 99.67 05:17:01 all 0.16 0.00 0.06 0.00 0.00 99.78 05:17:01 0 0.03 0.00 0.03 0.00 0.02 99.92 05:17:01 1 0.08 0.00 0.07 0.00 0.00 99.85 05:17:01 2 0.07 0.00 0.03 0.00 0.00 99.90 05:17:01 3 0.45 0.00 0.10 0.00 0.00 99.45 05:18:01 all 0.20 0.00 0.05 0.00 0.00 99.74 05:18:01 0 0.07 0.00 0.03 0.00 0.00 99.90 05:18:01 1 0.10 0.00 0.07 0.00 0.00 99.83 05:18:01 2 0.07 0.00 0.07 0.00 0.00 99.87 05:18:01 3 0.58 0.00 0.03 0.00 0.02 99.37 05:19:01 all 0.20 0.00 0.06 0.00 0.00 99.75 05:19:01 0 0.07 0.00 0.05 0.00 0.00 99.88 05:19:01 1 0.12 0.00 0.07 0.00 0.00 99.82 05:19:01 2 0.08 0.00 0.05 0.00 0.00 99.87 05:19:01 3 0.52 0.00 0.03 0.00 0.00 99.45 05:20:01 all 0.19 0.00 0.05 0.00 0.00 99.76 05:20:01 0 0.05 0.00 0.10 0.00 0.00 99.85 05:20:01 1 0.07 0.00 0.03 0.00 0.00 99.90 05:20:01 2 0.07 0.00 0.03 0.00 0.00 99.90 05:20:01 3 0.57 0.00 0.05 0.00 0.00 99.38 05:21:01 all 0.18 0.00 0.05 0.00 0.00 99.76 05:21:01 0 0.08 0.00 0.07 0.00 0.00 99.85 05:21:01 1 0.05 0.00 0.05 0.00 0.00 99.90 05:21:01 2 0.07 0.00 0.05 0.00 0.00 99.88 05:21:01 3 0.55 0.00 0.05 0.00 0.00 99.40 05:22:01 all 0.18 0.00 0.05 0.00 0.00 99.77 05:22:01 0 0.07 0.00 0.07 0.00 0.00 99.87 05:22:01 1 0.03 0.00 0.05 0.00 0.00 99.92 05:22:01 2 0.08 0.00 0.07 0.00 0.00 99.85 05:22:01 3 0.53 0.00 0.03 0.00 0.00 99.43 05:23:01 all 0.17 0.00 0.06 0.00 0.00 99.76 05:23:01 0 0.02 0.00 0.03 0.00 0.00 99.95 05:23:01 1 0.07 0.00 0.08 0.00 0.00 99.85 05:23:01 2 0.07 0.00 0.05 0.00 0.00 99.88 05:23:01 3 0.55 0.00 0.07 0.00 0.00 99.38 05:24:01 all 0.19 0.00 0.05 0.00 0.00 99.77 05:24:01 0 0.03 0.00 0.02 0.00 0.00 99.95 05:24:01 1 0.40 0.00 0.05 0.00 0.02 99.53 05:24:01 2 0.07 0.00 0.07 0.00 0.00 99.87 05:24:01 3 0.23 0.00 0.05 0.00 0.00 99.72 05:25:01 all 0.17 0.00 0.06 0.00 0.00 99.77 05:25:01 0 0.05 0.00 0.07 0.00 0.00 99.88 05:25:01 1 0.53 0.00 0.08 0.00 0.00 99.38 05:25:01 2 0.05 0.00 0.05 0.00 0.00 99.90 05:25:01 3 0.05 0.00 0.03 0.00 0.00 99.92 05:26:01 all 0.17 0.00 0.05 0.00 0.00 99.78 05:26:01 0 0.05 0.00 0.07 0.00 0.00 99.88 05:26:01 1 0.55 0.00 0.07 0.00 0.00 99.38 05:26:01 2 0.03 0.00 0.03 0.00 0.00 99.93 05:26:01 3 0.05 0.00 0.03 0.00 0.02 99.90 05:27:01 all 0.17 0.00 0.05 0.00 0.00 99.78 05:27:01 0 0.50 0.00 0.03 0.00 0.00 99.47 05:27:01 1 0.02 0.00 0.03 0.00 0.00 99.95 05:27:01 2 0.10 0.00 0.08 0.00 0.00 99.82 05:27:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 0.31 0.00 0.12 0.00 0.00 99.57 Average: 0 0.24 0.00 0.11 0.00 0.00 99.64 Average: 1 0.31 0.00 0.13 0.00 0.00 99.55 Average: 2 0.23 0.00 0.12 0.00 0.00 99.64 Average: 3 0.46 0.00 0.10 0.00 0.00 99.44