---> uname -a: Linux 624ffdf8cfc9 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 6.8G 43.2G 14% / 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 6.8G 43.2G 14% /etc/resolv.conf /dev/vda1 50.0G 6.8G 43.2G 14% /etc/hostname /dev/vda1 50.0G 6.8G 43.2G 14% /etc/hosts /dev/vda1 50.0G 6.8G 43.2G 14% /w/workspace/xfoundry_device-modbus-go_PR-137 /dev/vda1 50.0G 6.8G 43.2G 14% /w/workspace/xfoundry_device-modbus-go_PR-137@tmp /dev/vda1 50.0G 6.8G 43.2G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 608 70 0 1160 1130 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 14: eth0@if15: 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) 04/15/20 _x86_64_ (4 CPU) 12:26:59 LINUX RESTART 12:28:01 tps rtps wtps bread/s bwrtn/s 12:29:01 70.98 22.93 48.05 1993.74 14158.19 12:30:01 1.57 0.00 1.57 0.00 34.27 12:31:01 0.28 0.00 0.28 0.00 3.61 Average: 24.28 7.64 16.64 664.69 4732.81 12:28:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:29:01 263624 1618680 85.99 2620 1071968 942464 32.16 417332 1018264 16 12:30:01 269304 1613000 85.69 2620 1071900 907856 30.98 415920 1014804 16 12:31:01 269696 1612608 85.67 2620 1071908 907652 30.97 421924 1008636 16 Average: 267541 1614763 85.79 2620 1071925 919324 31.37 418392 1013901 16 12:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 12:29:01 eth0 70.96 41.41 516.85 24.01 0.00 0.00 0.00 12:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 docker0 29.84 54.23 1.73 508.17 0.00 0.00 0.00 12:30:01 eth0 0.57 0.30 0.27 0.20 0.00 0.00 0.00 12:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 12:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 23.87 13.93 172.41 8.07 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.95 18.08 0.58 169.42 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) 04/15/20 _x86_64_ (4 CPU) 12:26:59 LINUX RESTART 12:28:01 CPU %user %nice %system %iowait %steal %idle 12:29:01 all 2.93 0.00 2.08 0.96 0.02 94.01 12:29:01 0 3.36 0.00 2.91 0.67 0.02 93.04 12:29:01 1 2.82 0.00 2.01 0.84 0.02 94.31 12:29:01 2 3.05 0.00 1.49 1.10 0.02 94.34 12:29:01 3 2.50 0.00 1.86 1.21 0.02 94.41 12:30:01 all 0.06 0.00 0.05 0.00 0.00 99.88 12:30:01 0 0.05 0.00 0.07 0.00 0.00 99.88 12:30:01 1 0.10 0.00 0.05 0.00 0.00 99.85 12:30:01 2 0.08 0.00 0.08 0.00 0.02 99.82 12:30:01 3 0.02 0.00 0.03 0.00 0.00 99.95 12:31:01 all 0.06 0.00 0.05 0.00 0.00 99.89 12:31:01 0 0.03 0.00 0.03 0.00 0.00 99.93 12:31:01 1 0.05 0.00 0.03 0.00 0.00 99.92 12:31:01 2 0.07 0.00 0.10 0.00 0.00 99.83 12:31:01 3 0.07 0.00 0.03 0.00 0.00 99.90 Average: all 1.01 0.00 0.73 0.32 0.01 97.93 Average: 0 1.15 0.00 1.00 0.22 0.01 97.63 Average: 1 0.99 0.00 0.70 0.28 0.01 98.03 Average: 2 1.06 0.00 0.56 0.37 0.01 98.00 Average: 3 0.86 0.00 0.64 0.40 0.01 98.10