---> uname -a: Linux 5885c2c303fd 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 7.0G 43.0G 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-570 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-570@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 628 132 0 1076 1103 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) 09/15/20 _x86_64_ (4 CPU) 05:54:45 LINUX RESTART (4 CPU) 05:56:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:57:01 3.50 0.00 3.50 0.00 0.00 111.53 0.00 05:58:01 0.40 0.00 0.40 0.00 0.00 5.76 0.00 05:59:01 0.43 0.00 0.43 0.00 0.00 6.28 0.00 06:00:01 0.23 0.00 0.23 0.00 0.00 3.05 0.00 Average: 1.14 0.00 1.14 0.00 0.00 31.65 0.00 05:56:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:57:01 178400 0 541196 28.76 2620 1159340 1071772 36.58 420596 1123936 20 05:58:01 178516 0 541076 28.76 2620 1159344 1071776 36.58 420900 1123656 8 05:59:01 175924 0 543656 28.89 2620 1159356 1073336 36.63 423620 1123656 8 06:00:01 176788 0 542792 28.85 2620 1159356 1071840 36.58 426172 1120112 16 Average: 177407 0 542180 28.82 2620 1159349 1072181 36.59 422822 1122840 13 05:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:57:01 eth0 0.08 0.13 0.01 0.03 0.00 0.00 0.00 0.00 05:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 eth0 0.57 0.07 0.06 0.01 0.00 0.00 0.00 0.00 05:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 eth0 0.47 0.45 0.29 0.21 0.00 0.00 0.00 0.00 05:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.30 0.18 0.09 0.06 0.00 0.00 0.00 0.00 Average: lo 0.00 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 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/15/20 _x86_64_ (4 CPU) 05:54:45 LINUX RESTART (4 CPU) 05:56:01 CPU %user %nice %system %iowait %steal %idle 05:57:01 all 0.15 0.00 0.04 0.00 0.00 99.81 05:57:01 0 0.03 0.00 0.03 0.00 0.00 99.93 05:57:01 1 0.08 0.00 0.05 0.00 0.00 99.87 05:57:01 2 0.03 0.00 0.03 0.00 0.00 99.93 05:57:01 3 0.43 0.00 0.05 0.00 0.02 99.50 05:58:01 all 0.14 0.00 0.03 0.00 0.00 99.83 05:58:01 0 0.02 0.00 0.03 0.00 0.00 99.95 05:58:01 1 0.05 0.00 0.05 0.00 0.00 99.90 05:58:01 2 0.03 0.00 0.02 0.00 0.00 99.95 05:58:01 3 0.47 0.00 0.02 0.00 0.00 99.52 05:59:01 all 0.14 0.00 0.03 0.00 0.00 99.82 05:59:01 0 0.03 0.00 0.03 0.00 0.00 99.93 05:59:01 1 0.02 0.00 0.02 0.00 0.02 99.95 05:59:01 2 0.05 0.00 0.05 0.02 0.00 99.88 05:59:01 3 0.47 0.00 0.02 0.00 0.00 99.52 06:00:01 all 0.15 0.00 0.04 0.00 0.00 99.81 06:00:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:00:01 1 0.03 0.00 0.08 0.00 0.00 99.88 06:00:01 2 0.03 0.00 0.03 0.00 0.02 99.92 06:00:01 3 0.50 0.00 0.02 0.00 0.00 99.48 Average: all 0.14 0.00 0.03 0.00 0.00 99.82 Average: 0 0.02 0.00 0.03 0.00 0.00 99.95 Average: 1 0.05 0.00 0.05 0.00 0.00 99.90 Average: 2 0.04 0.00 0.03 0.00 0.00 99.92 Average: 3 0.47 0.00 0.02 0.00 0.00 99.50