---> uname -a: Linux 09b91a2438b5 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% /w/workspace/gexfoundry_device-mqtt-go_PR-141@tmp /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-141 ---> free -m: total used free shared buff/cache available Mem: 1838 609 75 0 1153 1125 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) 04/20/20 _x86_64_ (4 CPU) 03:22:03 LINUX RESTART 03:23:01 tps rtps wtps bread/s bwrtn/s 03:24:02 12.92 1.68 11.24 83.53 2140.95 03:25:01 3.44 0.00 3.44 0.00 104.27 03:26:01 0.30 0.00 0.30 0.00 4.36 03:27:01 0.48 0.00 0.48 0.00 6.48 03:28:01 0.23 0.00 0.23 0.00 2.51 03:29:01 0.40 0.00 0.40 0.00 6.90 03:30:01 0.35 0.00 0.35 0.00 5.16 Average: 2.59 0.24 2.35 11.96 324.92 03:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:24:02 116676 1765628 93.80 2620 1218748 933476 31.85 436036 1166224 8 03:25:01 123688 1758616 93.43 2620 1218756 899960 30.71 430276 1165920 8 03:26:01 122124 1760180 93.51 2620 1218764 900336 30.72 432216 1165920 8 03:27:01 123772 1758532 93.42 2620 1218764 900024 30.71 430552 1165920 8 03:28:01 123696 1758608 93.43 2620 1218772 900096 30.71 430872 1165920 20 03:29:01 123720 1758584 93.43 2620 1218776 900024 30.71 430680 1165920 12 03:30:01 136820 1745484 92.73 2620 1218780 900092 30.71 417380 1165852 16 Average: 124357 1757947 93.39 2620 1218766 904858 30.87 429716 1165954 11 03:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:24:02 eth0 10.09 6.29 7.64 12.05 0.00 0.00 0.00 03:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:02 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 03:25:01 eth0 0.91 0.08 0.09 0.01 0.00 0.00 0.00 03:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 eth0 1.03 0.90 0.69 0.42 0.00 0.00 0.00 03:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 03:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 eth0 0.25 0.20 0.14 0.07 0.00 0.00 0.00 03:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 03:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 03:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.79 1.10 1.23 1.80 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) 04/20/20 _x86_64_ (4 CPU) 03:22:03 LINUX RESTART 03:23:01 CPU %user %nice %system %iowait %steal %idle 03:24:02 all 0.62 0.00 0.23 0.13 0.00 99.02 03:24:02 0 0.72 0.00 0.18 0.02 0.00 99.08 03:24:02 1 0.87 0.00 0.32 0.45 0.00 98.37 03:24:02 2 0.47 0.00 0.20 0.02 0.00 99.32 03:24:02 3 0.43 0.00 0.23 0.02 0.00 99.32 03:25:01 all 0.16 0.00 0.06 0.00 0.00 99.78 03:25:01 0 0.44 0.00 0.05 0.00 0.00 99.51 03:25:01 1 0.05 0.00 0.07 0.00 0.00 99.88 03:25:01 2 0.08 0.00 0.08 0.00 0.00 99.83 03:25:01 3 0.07 0.00 0.05 0.00 0.02 99.86 03:26:01 all 0.23 0.00 0.06 0.00 0.00 99.71 03:26:01 0 0.20 0.00 0.07 0.00 0.00 99.73 03:26:01 1 0.17 0.00 0.05 0.00 0.00 99.78 03:26:01 2 0.40 0.00 0.03 0.00 0.00 99.57 03:26:01 3 0.12 0.00 0.08 0.00 0.00 99.80 03:27:01 all 0.11 0.00 0.06 0.00 0.00 99.83 03:27:01 0 0.05 0.00 0.05 0.00 0.00 99.90 03:27:01 1 0.07 0.00 0.07 0.00 0.00 99.87 03:27:01 2 0.32 0.00 0.07 0.00 0.00 99.62 03:27:01 3 0.05 0.00 0.07 0.00 0.00 99.88 03:28:01 all 0.11 0.00 0.05 0.00 0.00 99.84 03:28:01 0 0.05 0.00 0.05 0.00 0.00 99.90 03:28:01 1 0.23 0.00 0.05 0.00 0.00 99.72 03:28:01 2 0.10 0.00 0.07 0.00 0.00 99.83 03:28:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:29:01 all 0.18 0.00 0.05 0.00 0.00 99.77 03:29:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:29:01 1 0.52 0.00 0.03 0.00 0.00 99.45 03:29:01 2 0.12 0.00 0.08 0.00 0.00 99.80 03:29:01 3 0.07 0.00 0.05 0.00 0.00 99.88 03:30:01 all 0.18 0.00 0.05 0.00 0.00 99.77 03:30:01 0 0.08 0.00 0.05 0.00 0.00 99.87 03:30:01 1 0.53 0.00 0.03 0.00 0.00 99.43 03:30:01 2 0.10 0.00 0.05 0.00 0.00 99.85 03:30:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.23 0.00 0.08 0.02 0.00 99.67 Average: 0 0.22 0.00 0.07 0.00 0.00 99.71 Average: 1 0.35 0.00 0.09 0.06 0.00 99.50 Average: 2 0.23 0.00 0.08 0.00 0.00 99.69 Average: 3 0.11 0.00 0.08 0.00 0.00 99.80