---> uname -a: Linux 77bb8506bf99 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-550 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-550@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 120 0 1048 1063 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) 07/14/20 _x86_64_ (4 CPU) 07:50:59 LINUX RESTART 07:52:02 tps rtps wtps bread/s bwrtn/s 07:53:01 6.13 0.58 5.56 9.08 166.60 07:54:01 0.17 0.00 0.17 0.00 2.02 07:55:01 0.62 0.00 0.62 0.00 9.11 07:56:01 0.17 0.00 0.17 0.00 1.60 07:57:01 0.33 0.00 0.33 0.00 5.10 Average: 1.47 0.11 1.35 1.79 36.45 07:52:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:53:01 157716 1723840 91.62 2620 1139056 1099212 37.51 441144 1122504 20 07:54:01 157600 1723956 91.62 2620 1139060 1080944 36.89 443704 1121012 20 07:55:01 157464 1724092 91.63 2620 1139068 1080956 36.89 443716 1121012 12 07:56:01 156712 1724844 91.67 2620 1139068 1080764 36.88 450328 1115484 20 07:57:01 155832 1725724 91.72 2620 1139076 1080872 36.89 453372 1113028 8 Average: 157065 1724491 91.65 2620 1139066 1084550 37.01 446453 1118608 16 07:52:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:53:01 eth0 12.94 8.93 6.74 21.13 0.00 0.00 0.00 07:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:53:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 07:54:01 eth0 1.70 0.68 0.94 0.19 0.00 0.00 0.00 07:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:01 eth0 0.53 0.35 0.27 0.23 0.00 0.00 0.00 07:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 07:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 eth0 0.22 0.15 0.08 0.07 0.00 0.00 0.00 07:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.06 2.02 1.59 4.27 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) 07/14/20 _x86_64_ (4 CPU) 07:50:59 LINUX RESTART 07:52:02 CPU %user %nice %system %iowait %steal %idle 07:53:01 all 0.60 0.00 0.14 0.14 0.00 99.11 07:53:01 0 0.49 0.00 0.19 0.12 0.00 99.20 07:53:01 1 0.66 0.00 0.12 0.44 0.00 98.78 07:53:01 2 0.37 0.00 0.12 0.00 0.00 99.51 07:53:01 3 0.87 0.00 0.12 0.00 0.00 99.02 07:54:01 all 0.14 0.00 0.03 0.00 0.00 99.82 07:54:01 0 0.03 0.00 0.02 0.00 0.00 99.95 07:54:01 1 0.08 0.00 0.03 0.00 0.00 99.88 07:54:01 2 0.05 0.00 0.03 0.00 0.00 99.92 07:54:01 3 0.43 0.00 0.05 0.00 0.00 99.52 07:55:01 all 0.05 0.00 0.04 0.00 0.00 99.91 07:55:01 0 0.05 0.00 0.05 0.00 0.00 99.90 07:55:01 1 0.02 0.00 0.02 0.00 0.00 99.97 07:55:01 2 0.03 0.00 0.05 0.00 0.00 99.92 07:55:01 3 0.07 0.00 0.07 0.00 0.00 99.87 07:56:01 all 0.15 0.00 0.03 0.00 0.00 99.82 07:56:01 0 0.05 0.00 0.02 0.00 0.00 99.93 07:56:01 1 0.05 0.00 0.03 0.00 0.00 99.92 07:56:01 2 0.02 0.00 0.03 0.00 0.00 99.95 07:56:01 3 0.52 0.00 0.02 0.00 0.00 99.47 07:57:01 all 0.15 0.00 0.04 0.00 0.00 99.80 07:57:01 0 0.00 0.00 0.03 0.00 0.00 99.97 07:57:01 1 0.05 0.00 0.07 0.00 0.00 99.88 07:57:01 2 0.05 0.00 0.07 0.00 0.00 99.88 07:57:01 3 0.52 0.00 0.02 0.00 0.00 99.47 Average: all 0.22 0.00 0.06 0.03 0.00 99.69 Average: 0 0.12 0.00 0.06 0.02 0.00 99.79 Average: 1 0.17 0.00 0.05 0.09 0.00 99.69 Average: 2 0.10 0.00 0.06 0.00 0.00 99.84 Average: 3 0.48 0.00 0.05 0.00 0.00 99.47