---> uname -a: Linux c6e9a4b1bad9 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: 2933.438 BogoMIPS: 5866.87 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/dgexfoundry_device-sdk-go_PR-432 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/dgexfoundry_device-sdk-go_PR-432@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 623 65 0 1148 1109 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) 04/01/20 _x86_64_ (4 CPU) 01:46:13 LINUX RESTART 01:47:01 tps rtps wtps bread/s bwrtn/s 01:48:01 11.79 1.42 10.37 83.40 2181.22 01:49:01 2.32 0.00 2.32 0.00 83.56 01:50:01 0.27 0.00 0.27 0.00 3.75 01:51:01 0.23 0.00 0.23 0.00 2.70 01:52:01 0.23 0.00 0.23 0.00 3.78 Average: 2.97 0.28 2.68 16.68 455.07 01:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:48:01 116468 1765836 93.81 2620 1204092 949788 32.41 459984 1147268 16 01:49:01 124872 1757432 93.37 2620 1204096 912908 31.15 453124 1146968 8 01:50:01 124180 1758124 93.40 2620 1204104 913064 31.15 454092 1146900 8 01:51:01 124168 1758136 93.40 2620 1204104 913016 31.15 453852 1146900 16 01:52:01 124988 1757316 93.36 2620 1204116 912980 31.15 453700 1146900 8 Average: 122935 1759369 93.47 2620 1204102 920351 31.40 454950 1146987 11 01:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:48:01 eth0 15.40 11.62 6.72 31.63 0.00 0.00 0.00 01:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:48:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 01:49:01 eth0 0.52 0.07 0.05 0.01 0.00 0.00 0.00 01:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:01 eth0 4.20 2.53 3.47 0.31 0.00 0.00 0.00 01:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:01 eth0 0.50 0.33 0.27 0.23 0.00 0.00 0.00 01:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 eth0 0.33 0.22 0.14 0.07 0.00 0.00 0.00 01:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 4.19 2.95 2.13 6.45 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) 04/01/20 _x86_64_ (4 CPU) 01:46:13 LINUX RESTART 01:47:01 CPU %user %nice %system %iowait %steal %idle 01:48:01 all 0.77 0.00 0.18 0.02 0.00 99.02 01:48:01 0 0.53 0.00 0.18 0.05 0.00 99.23 01:48:01 1 0.67 0.00 0.17 0.03 0.00 99.13 01:48:01 2 1.17 0.00 0.17 0.00 0.02 98.65 01:48:01 3 0.70 0.00 0.22 0.00 0.00 99.08 01:49:01 all 0.18 0.00 0.05 0.00 0.00 99.77 01:49:01 0 0.05 0.00 0.05 0.00 0.02 99.88 01:49:01 1 0.08 0.00 0.05 0.00 0.00 99.87 01:49:01 2 0.53 0.00 0.03 0.00 0.00 99.43 01:49:01 3 0.05 0.00 0.05 0.00 0.00 99.90 01:50:01 all 0.19 0.00 0.05 0.00 0.00 99.75 01:50:01 0 0.08 0.00 0.08 0.00 0.00 99.83 01:50:01 1 0.05 0.00 0.03 0.00 0.00 99.92 01:50:01 2 0.53 0.00 0.05 0.00 0.00 99.42 01:50:01 3 0.10 0.00 0.05 0.00 0.02 99.83 01:51:01 all 0.18 0.00 0.05 0.00 0.00 99.77 01:51:01 0 0.05 0.00 0.05 0.00 0.00 99.90 01:51:01 1 0.05 0.00 0.03 0.00 0.00 99.92 01:51:01 2 0.53 0.00 0.07 0.00 0.00 99.40 01:51:01 3 0.07 0.00 0.03 0.00 0.00 99.90 01:52:01 all 0.17 0.00 0.03 0.00 0.00 99.80 01:52:01 0 0.02 0.00 0.03 0.00 0.00 99.95 01:52:01 1 0.08 0.00 0.03 0.00 0.00 99.88 01:52:01 2 0.53 0.00 0.03 0.00 0.00 99.43 01:52:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 0.30 0.00 0.07 0.00 0.00 99.62 Average: 0 0.15 0.00 0.08 0.01 0.00 99.76 Average: 1 0.19 0.00 0.06 0.01 0.00 99.74 Average: 2 0.66 0.00 0.07 0.00 0.00 99.27 Average: 3 0.19 0.00 0.08 0.00 0.00 99.73