---> uname -a: Linux 245c5a3861b8 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: 2933.436 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 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% /w/workspace/dgexfoundry_device-sdk-go_PR-553 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-553@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 660 122 0 1053 1071 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/01/20 _x86_64_ (4 CPU) 18:41:44 LINUX RESTART 18:43:01 tps rtps wtps bread/s bwrtn/s 18:44:01 3.21 0.00 3.21 0.00 103.85 18:45:01 0.35 0.00 0.35 0.00 4.75 18:46:01 0.30 0.00 0.30 0.00 3.51 18:47:01 0.23 0.00 0.23 0.00 2.70 18:48:01 0.35 0.00 0.35 0.00 5.08 Average: 0.89 0.00 0.89 0.00 23.98 18:43:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:44:01 164192 1717364 91.27 2620 1139816 1109136 37.85 438980 1116676 16 18:45:01 166892 1714664 91.13 2620 1139820 1081236 36.90 438080 1114980 8 18:46:01 167672 1713884 91.09 2620 1139828 1072652 36.61 438968 1114416 12 18:47:01 166604 1714952 91.15 2620 1139828 1072784 36.61 441060 1113104 16 18:48:01 166808 1714748 91.13 2620 1139832 1072816 36.61 440932 1113104 12 Average: 166434 1715122 91.15 2620 1139825 1081725 36.92 439604 1114456 13 18:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:44:01 eth0 1.81 0.52 0.69 0.22 0.00 0.00 0.00 18:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:45:01 eth0 1.40 0.63 0.59 0.37 0.00 0.00 0.00 18:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:46:01 eth0 0.65 0.10 0.04 0.04 0.00 0.00 0.00 18:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:47:01 eth0 0.73 0.50 0.30 0.18 0.00 0.00 0.00 18:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 eth0 1.18 0.47 0.45 0.27 0.00 0.00 0.00 18:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.16 0.44 0.41 0.21 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) 09/01/20 _x86_64_ (4 CPU) 18:41:44 LINUX RESTART 18:43:01 CPU %user %nice %system %iowait %steal %idle 18:44:01 all 0.17 0.00 0.05 0.00 0.01 99.77 18:44:01 0 0.27 0.00 0.05 0.00 0.00 99.68 18:44:01 1 0.05 0.00 0.07 0.00 0.02 99.87 18:44:01 2 0.32 0.00 0.07 0.00 0.00 99.62 18:44:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:45:01 all 0.17 0.00 0.05 0.00 0.00 99.78 18:45:01 0 0.08 0.00 0.05 0.00 0.00 99.87 18:45:01 1 0.07 0.00 0.05 0.00 0.02 99.87 18:45:01 2 0.50 0.00 0.05 0.00 0.00 99.45 18:45:01 3 0.03 0.00 0.03 0.00 0.02 99.92 18:46:01 all 0.15 0.00 0.03 0.00 0.00 99.82 18:46:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:46:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:46:01 2 0.53 0.00 0.03 0.00 0.00 99.43 18:46:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:47:01 all 0.15 0.00 0.04 0.00 0.00 99.81 18:47:01 0 0.02 0.00 0.07 0.00 0.02 99.90 18:47:01 1 0.05 0.00 0.07 0.00 0.02 99.87 18:47:01 2 0.48 0.00 0.07 0.00 0.02 99.43 18:47:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:48:01 all 0.14 0.00 0.07 0.00 0.00 99.79 18:48:01 0 0.12 0.00 0.03 0.00 0.00 99.85 18:48:01 1 0.03 0.00 0.12 0.00 0.00 99.85 18:48:01 2 0.33 0.00 0.05 0.00 0.00 99.62 18:48:01 3 0.07 0.00 0.03 0.00 0.00 99.90 Average: all 0.15 0.00 0.05 0.00 0.00 99.79 Average: 0 0.10 0.00 0.04 0.00 0.00 99.85 Average: 1 0.05 0.00 0.07 0.00 0.01 99.87 Average: 2 0.43 0.00 0.05 0.00 0.00 99.51 Average: 3 0.04 0.00 0.03 0.00 0.00 99.93