---> uname -a: Linux 42219836b93c 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 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 Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 7.2G 42.8G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-568 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-568@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 634 120 0 1082 1097 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/20/20 _x86_64_ (4 CPU) 06:20:53 LINUX RESTART 06:22:01 tps rtps wtps bread/s bwrtn/s 06:23:01 7.94 2.81 5.13 154.43 206.38 06:24:01 0.30 0.00 0.30 0.00 4.60 06:25:01 0.23 0.00 0.23 0.00 2.07 06:26:01 0.30 0.00 0.30 0.00 3.78 06:27:01 0.32 0.00 0.32 0.00 4.16 06:28:01 60.43 48.31 12.12 4930.56 7624.11 Average: 11.59 8.52 3.07 847.61 1307.69 06:22:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:23:01 179540 1702016 90.46 2620 1153940 1099416 37.52 384820 1157908 20 06:24:01 183272 1698284 90.26 2620 1153944 1067892 36.45 384956 1154816 8 06:25:01 182348 1699208 90.31 2620 1153952 1068072 36.45 385812 1154816 16 06:26:01 181332 1700224 90.36 2620 1153952 1068036 36.45 391412 1150152 8 06:27:01 179212 1702344 90.48 2620 1153956 1067988 36.45 398800 1144800 8 06:28:01 131828 1749728 92.99 2620 1151348 1292668 44.12 461228 1120332 10092 Average: 172922 1708634 90.81 2620 1153515 1110679 37.91 401171 1147137 1692 06:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:23:01 eth0 14.01 9.06 9.25 34.78 0.00 0.00 0.00 06:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:23:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 06:24:01 eth0 0.62 0.08 0.06 0.01 0.00 0.00 0.00 06:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:25:01 eth0 1.08 0.45 0.32 0.21 0.00 0.00 0.00 06:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:26:01 eth0 0.43 0.40 0.27 0.20 0.00 0.00 0.00 06:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:27:01 eth0 0.33 0.25 0.16 0.08 0.00 0.00 0.00 06:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:28:01 eth0 84.21 60.18 2326.81 8.35 0.00 0.00 0.00 06:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 16.78 11.74 389.53 7.27 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/20/20 _x86_64_ (4 CPU) 06:20:53 LINUX RESTART 06:22:01 CPU %user %nice %system %iowait %steal %idle 06:23:01 all 0.78 0.00 0.13 0.04 0.00 99.05 06:23:01 0 0.98 0.00 0.13 0.08 0.00 98.80 06:23:01 1 0.70 0.00 0.12 0.02 0.00 99.17 06:23:01 2 0.78 0.00 0.13 0.02 0.00 99.07 06:23:01 3 0.65 0.00 0.12 0.07 0.00 99.17 06:24:01 all 0.15 0.00 0.02 0.00 0.00 99.82 06:24:01 0 0.52 0.00 0.02 0.00 0.00 99.47 06:24:01 1 0.02 0.00 0.02 0.00 0.00 99.97 06:24:01 2 0.07 0.00 0.05 0.00 0.00 99.88 06:24:01 3 0.00 0.00 0.02 0.00 0.00 99.98 06:25:01 all 0.16 0.00 0.02 0.00 0.00 99.81 06:25:01 0 0.52 0.00 0.02 0.00 0.00 99.47 06:25:01 1 0.03 0.00 0.02 0.00 0.00 99.95 06:25:01 2 0.08 0.00 0.05 0.00 0.00 99.87 06:25:01 3 0.03 0.00 0.02 0.00 0.00 99.95 06:26:01 all 0.15 0.00 0.03 0.00 0.00 99.82 06:26:01 0 0.52 0.00 0.00 0.00 0.00 99.48 06:26:01 1 0.02 0.00 0.07 0.00 0.00 99.92 06:26:01 2 0.05 0.00 0.03 0.00 0.00 99.92 06:26:01 3 0.02 0.00 0.03 0.00 0.00 99.95 06:27:01 all 0.14 0.00 0.07 0.00 0.00 99.79 06:27:01 0 0.45 0.00 0.02 0.00 0.00 99.53 06:27:01 1 0.03 0.00 0.18 0.00 0.00 99.78 06:27:01 2 0.05 0.00 0.02 0.00 0.00 99.93 06:27:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:28:01 all 2.24 0.00 1.03 1.31 0.00 95.41 06:28:01 0 2.67 0.00 1.09 0.63 0.00 95.61 06:28:01 1 1.91 0.00 1.14 1.20 0.00 95.75 06:28:01 2 2.96 0.00 0.99 3.06 0.00 93.00 06:28:01 3 1.42 0.00 0.92 0.33 0.02 97.31 Average: all 0.60 0.00 0.22 0.23 0.00 98.95 Average: 0 0.94 0.00 0.21 0.12 0.00 98.73 Average: 1 0.45 0.00 0.26 0.20 0.00 99.09 Average: 2 0.66 0.00 0.21 0.51 0.00 98.61 Average: 3 0.36 0.00 0.19 0.07 0.00 99.38