---> uname -a: Linux 984aa2917ca5 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-515 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/dgexfoundry_device-sdk-go_PR-515@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 619 75 0 1143 1115 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) 04/27/20 _x86_64_ (4 CPU) 07:11:30 LINUX RESTART 07:12:01 tps rtps wtps bread/s bwrtn/s 07:13:01 44.54 11.58 32.96 2505.99 3452.43 07:14:01 2.61 0.00 2.61 0.00 89.34 07:15:01 0.32 0.00 0.32 0.00 4.03 07:16:01 0.25 0.00 0.25 0.00 2.96 07:17:01 0.27 0.00 0.27 0.00 3.93 07:18:01 69.33 51.43 17.90 3342.52 8007.41 Average: 19.56 10.50 9.05 975.00 1927.09 07:12:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:13:01 114828 1767476 93.90 2620 1207236 960388 32.77 450120 1152848 20 07:14:01 125040 1757264 93.36 2620 1207240 903064 30.81 443244 1151488 16 07:15:01 123436 1758868 93.44 2620 1207252 903328 30.82 444760 1151488 12 07:16:01 124772 1757532 93.37 2620 1207252 903064 30.81 443392 1151488 16 07:17:01 124508 1757796 93.39 2620 1207260 903160 30.82 444048 1151488 12 07:18:01 127496 1754808 93.23 2620 1180800 992768 33.87 434684 1150180 10584 Average: 123347 1758957 93.45 2620 1202840 927629 31.65 443375 1151497 1777 07:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:13:01 eth0 196.22 128.46 565.66 73.44 0.00 0.00 0.00 07:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 docker0 8.72 6.71 1.18 17.53 0.00 0.00 0.00 07:14:01 eth0 0.85 0.10 0.07 0.13 0.00 0.00 0.00 07:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:15:01 eth0 0.53 0.48 0.27 0.21 0.00 0.00 0.00 07:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:16:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 07:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 eth0 0.55 0.40 0.32 0.21 0.00 0.00 0.00 07:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 eth0 88.44 74.51 2326.54 9.48 0.00 0.00 0.00 07:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 47.80 34.02 482.23 13.92 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.45 1.12 0.20 2.92 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) 04/27/20 _x86_64_ (4 CPU) 07:11:30 LINUX RESTART 07:12:01 CPU %user %nice %system %iowait %steal %idle 07:13:01 all 5.50 0.00 2.54 1.19 0.01 90.76 07:13:01 0 5.59 0.00 2.75 0.13 0.02 91.51 07:13:01 1 6.29 0.00 2.06 1.44 0.02 90.20 07:13:01 2 5.09 0.00 2.88 3.03 0.02 88.98 07:13:01 3 5.03 0.00 2.50 0.13 0.02 92.33 07:14:01 all 0.20 0.00 0.06 0.00 0.00 99.73 07:14:01 0 0.05 0.00 0.05 0.00 0.00 99.90 07:14:01 1 0.53 0.00 0.03 0.00 0.00 99.43 07:14:01 2 0.10 0.00 0.07 0.00 0.00 99.83 07:14:01 3 0.12 0.00 0.10 0.00 0.00 99.78 07:15:01 all 0.19 0.00 0.06 0.00 0.00 99.75 07:15:01 0 0.05 0.00 0.03 0.00 0.00 99.92 07:15:01 1 0.55 0.00 0.07 0.00 0.00 99.38 07:15:01 2 0.10 0.00 0.08 0.00 0.00 99.82 07:15:01 3 0.05 0.00 0.05 0.00 0.00 99.90 07:16:01 all 0.18 0.00 0.05 0.00 0.00 99.76 07:16:01 0 0.07 0.00 0.03 0.00 0.00 99.90 07:16:01 1 0.55 0.00 0.05 0.00 0.00 99.40 07:16:01 2 0.10 0.00 0.12 0.00 0.00 99.78 07:16:01 3 0.03 0.00 0.05 0.00 0.00 99.92 07:17:01 all 0.18 0.00 0.05 0.00 0.00 99.78 07:17:01 0 0.03 0.00 0.05 0.00 0.00 99.92 07:17:01 1 0.53 0.00 0.05 0.00 0.00 99.42 07:17:01 2 0.07 0.00 0.03 0.00 0.00 99.90 07:17:01 3 0.05 0.00 0.05 0.00 0.00 99.90 07:18:01 all 2.51 0.00 1.43 1.20 0.01 94.85 07:18:01 0 2.66 0.00 1.69 0.90 0.02 94.74 07:18:01 1 2.11 0.00 1.39 1.45 0.00 95.05 07:18:01 2 3.06 0.00 1.30 1.37 0.00 94.26 07:18:01 3 2.24 0.00 1.34 1.07 0.00 95.35 Average: all 1.46 0.00 0.70 0.40 0.00 97.44 Average: 0 1.40 0.00 0.77 0.17 0.01 97.65 Average: 1 1.76 0.00 0.61 0.48 0.00 97.15 Average: 2 1.42 0.00 0.75 0.73 0.00 97.10 Average: 3 1.25 0.00 0.68 0.20 0.00 97.87