---> uname -a: Linux 0922c0d48fd5 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: 2933.438 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 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-586 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-586@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 659 128 0 1049 1071 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) 05:45:56 LINUX RESTART (4 CPU) 05:47:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:48:01 6.81 1.60 5.21 0.00 83.78 209.92 0.00 05:49:01 0.33 0.00 0.33 0.00 0.00 5.13 0.00 05:50:01 0.30 0.00 0.30 0.00 0.00 3.80 0.00 05:51:01 0.23 0.00 0.23 0.00 0.00 2.96 0.00 05:52:01 0.30 0.00 0.30 0.00 0.00 5.06 0.00 05:53:01 0.28 0.02 0.27 0.00 0.13 3.40 0.00 Average: 1.38 0.27 1.11 0.00 13.99 38.39 0.00 05:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:48:01 168936 0 573668 30.49 2620 1136332 1100548 37.56 438996 1113836 20 05:49:01 169712 0 572884 30.45 2620 1136340 1073076 36.62 440828 1112100 8 05:50:01 167064 0 575524 30.59 2620 1136348 1073240 36.63 443280 1112016 20 05:51:01 166164 0 576424 30.64 2620 1136348 1073168 36.63 450772 1105280 8 05:52:01 165380 0 577200 30.68 2620 1136356 1073180 36.63 454744 1102144 20 05:53:01 165848 0 576724 30.65 2620 1136364 1073108 36.62 454480 1102140 20 Average: 167184 0 575404 30.58 2620 1136348 1077720 36.78 447183 1107919 16 05:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:48:01 eth0 30.64 23.53 35.70 25.48 0.00 0.00 0.00 0.00 05:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 docker0 7.89 5.38 1.08 18.04 0.00 0.00 0.00 0.00 05:49:01 eth0 3.78 0.58 0.80 0.39 0.00 0.00 0.00 0.00 05:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 eth0 4.23 1.15 1.51 0.97 0.00 0.00 0.00 0.00 05:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 eth0 2.02 0.38 0.43 0.21 0.00 0.00 0.00 0.00 05:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 eth0 3.06 0.95 1.06 0.66 0.00 0.00 0.00 0.00 05:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 eth0 1.02 0.70 0.58 0.41 0.00 0.00 0.00 0.00 05:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 7.46 4.55 6.68 4.69 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 1.32 0.90 0.18 3.01 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) 05:45:56 LINUX RESTART (4 CPU) 05:47:01 CPU %user %nice %system %iowait %steal %idle 05:48:01 all 1.16 0.00 0.52 0.03 0.00 98.29 05:48:01 0 0.98 0.00 0.65 0.03 0.00 98.33 05:48:01 1 0.90 0.00 0.43 0.02 0.00 98.65 05:48:01 2 1.53 0.00 0.57 0.02 0.00 97.88 05:48:01 3 1.22 0.00 0.43 0.05 0.00 98.30 05:49:01 all 0.16 0.00 0.04 0.00 0.00 99.79 05:49:01 0 0.02 0.00 0.03 0.00 0.00 99.95 05:49:01 1 0.13 0.00 0.07 0.00 0.02 99.78 05:49:01 2 0.48 0.00 0.03 0.00 0.00 99.48 05:49:01 3 0.02 0.00 0.03 0.00 0.00 99.95 05:50:01 all 0.19 0.00 0.03 0.00 0.00 99.78 05:50:01 0 0.05 0.00 0.02 0.00 0.00 99.93 05:50:01 1 0.13 0.00 0.07 0.00 0.00 99.80 05:50:01 2 0.52 0.00 0.03 0.00 0.00 99.45 05:50:01 3 0.05 0.00 0.02 0.00 0.00 99.93 05:51:01 all 0.15 0.00 0.03 0.00 0.00 99.81 05:51:01 0 0.03 0.00 0.05 0.00 0.00 99.92 05:51:01 1 0.03 0.00 0.05 0.00 0.00 99.92 05:51:01 2 0.52 0.00 0.00 0.00 0.00 99.48 05:51:01 3 0.03 0.00 0.03 0.00 0.00 99.93 05:52:01 all 0.17 0.00 0.05 0.00 0.00 99.78 05:52:01 0 0.03 0.00 0.12 0.00 0.00 99.85 05:52:01 1 0.05 0.00 0.02 0.00 0.00 99.93 05:52:01 2 0.53 0.00 0.02 0.00 0.00 99.45 05:52:01 3 0.05 0.00 0.05 0.00 0.00 99.90 05:53:01 all 0.15 0.00 0.03 0.00 0.00 99.81 05:53:01 0 0.05 0.00 0.03 0.00 0.02 99.90 05:53:01 1 0.02 0.00 0.03 0.00 0.00 99.95 05:53:01 2 0.52 0.00 0.03 0.00 0.00 99.45 05:53:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.33 0.00 0.12 0.00 0.00 99.55 Average: 0 0.19 0.00 0.15 0.01 0.00 99.65 Average: 1 0.21 0.00 0.11 0.00 0.00 99.67 Average: 2 0.68 0.00 0.11 0.00 0.00 99.20 Average: 3 0.23 0.00 0.10 0.01 0.00 99.66