---> uname -a: Linux 8b109a3710bb 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-553 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-553@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 663 140 0 1034 1066 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) 02:15:37 LINUX RESTART (4 CPU) 02:16:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:17:01 172.39 86.14 86.25 0.00 10916.86 40254.17 0.00 02:18:01 3.48 0.00 3.48 0.00 0.00 109.94 0.00 02:19:01 0.43 0.00 0.43 0.00 0.00 6.78 0.00 02:20:01 0.25 0.00 0.25 0.00 0.00 3.36 0.00 02:21:01 0.17 0.00 0.17 0.00 0.00 1.75 0.00 02:22:01 0.37 0.00 0.37 0.00 0.00 5.34 0.00 02:23:01 0.50 0.18 0.32 0.00 12.39 7.79 0.00 02:24:01 0.62 0.00 0.62 0.00 0.00 9.31 0.00 02:25:01 37.10 36.77 0.33 0.00 4049.03 3.73 0.00 Average: 23.93 13.68 10.25 0.00 1664.94 4491.78 0.00 02:16:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:17:01 152688 0 589924 31.35 2620 1136324 1098316 37.48 446764 1119720 120 02:18:01 157624 0 584956 31.09 2620 1136356 1065040 36.35 445452 1117060 20 02:19:01 157416 0 585152 31.10 2620 1136368 1065220 36.35 446444 1117048 12 02:20:01 156692 0 585876 31.14 2620 1136368 1065348 36.36 446836 1117048 8 02:21:01 156212 0 586348 31.16 2620 1136376 1065108 36.35 452648 1111652 16 02:22:01 155940 0 586616 31.18 2620 1136380 1065204 36.35 453288 1111568 20 02:23:01 151560 0 590500 31.38 2620 1136876 1077496 36.77 456712 1111956 16 02:24:01 151232 0 590820 31.40 2620 1136884 1077496 36.77 448508 1120052 12 02:25:01 90592 0 588016 31.25 2620 1200328 1067244 36.42 431280 1199596 172 Average: 147773 0 587579 31.23 2620 1143584 1071830 36.58 447548 1125078 44 02:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:17:01 eth0 473.31 302.96 1075.46 114.87 0.00 0.00 0.00 0.00 02:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:17:01 docker0 10.80 7.62 1.22 18.24 0.00 0.00 0.00 0.00 02:18:01 eth0 0.55 0.10 0.04 0.05 0.00 0.00 0.00 0.00 02:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:19:01 eth0 4.25 2.10 3.23 0.32 0.00 0.00 0.00 0.00 02:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:01 eth0 0.67 0.38 0.29 0.20 0.00 0.00 0.00 0.00 02:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:21:01 eth0 0.12 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:22:01 eth0 0.70 0.42 0.40 0.26 0.00 0.00 0.00 0.00 02:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:23:01 eth0 6.78 3.81 6.01 2.76 0.00 0.00 0.00 0.00 02:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:24:01 eth0 1.47 0.82 1.15 0.63 0.00 0.00 0.00 0.00 02:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:25:01 eth0 7.21 4.06 6.57 2.68 0.00 0.00 0.00 0.00 02:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 55.04 34.99 121.53 13.54 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 1.20 0.85 0.14 2.03 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) 02:15:37 LINUX RESTART (4 CPU) 02:16:01 CPU %user %nice %system %iowait %steal %idle 02:17:01 all 15.30 0.00 8.05 7.51 0.03 69.10 02:17:01 0 13.91 0.00 9.56 6.19 0.02 70.32 02:17:01 1 15.37 0.00 6.78 5.81 0.03 72.01 02:17:01 2 15.72 0.00 7.23 8.37 0.03 68.65 02:17:01 3 16.21 0.00 8.64 9.69 0.03 65.42 02:18:01 all 0.16 0.00 0.04 0.00 0.00 99.80 02:18:01 0 0.03 0.00 0.03 0.00 0.00 99.93 02:18:01 1 0.05 0.00 0.07 0.00 0.00 99.88 02:18:01 2 0.03 0.00 0.02 0.00 0.00 99.95 02:18:01 3 0.53 0.00 0.05 0.00 0.00 99.42 02:19:01 all 0.16 0.00 0.05 0.00 0.00 99.78 02:19:01 0 0.05 0.00 0.07 0.00 0.02 99.87 02:19:01 1 0.03 0.00 0.03 0.00 0.00 99.93 02:19:01 2 0.08 0.00 0.07 0.00 0.00 99.85 02:19:01 3 0.48 0.00 0.05 0.00 0.00 99.47 02:20:01 all 0.17 0.00 0.02 0.00 0.00 99.81 02:20:01 0 0.02 0.00 0.02 0.00 0.00 99.97 02:20:01 1 0.07 0.00 0.05 0.00 0.00 99.88 02:20:01 2 0.07 0.00 0.00 0.00 0.00 99.93 02:20:01 3 0.52 0.00 0.02 0.00 0.00 99.47 02:21:01 all 0.14 0.00 0.04 0.00 0.00 99.82 02:21:01 0 0.02 0.00 0.00 0.00 0.00 99.98 02:21:01 1 0.07 0.00 0.12 0.00 0.00 99.82 02:21:01 2 0.03 0.00 0.02 0.00 0.00 99.95 02:21:01 3 0.43 0.00 0.03 0.00 0.00 99.53 02:22:01 all 0.15 0.00 0.06 0.00 0.00 99.79 02:22:01 0 0.02 0.00 0.03 0.00 0.00 99.95 02:22:01 1 0.03 0.00 0.08 0.00 0.00 99.88 02:22:01 2 0.05 0.00 0.07 0.00 0.00 99.88 02:22:01 3 0.52 0.00 0.05 0.00 0.00 99.43 02:23:01 all 0.26 0.00 0.08 0.00 0.00 99.66 02:23:01 0 0.32 0.00 0.08 0.00 0.00 99.60 02:23:01 1 0.12 0.00 0.07 0.00 0.00 99.82 02:23:01 2 0.12 0.00 0.07 0.02 0.00 99.80 02:23:01 3 0.48 0.00 0.10 0.00 0.00 99.42 02:24:01 all 0.16 0.00 0.05 0.00 0.00 99.78 02:24:01 0 0.05 0.00 0.07 0.00 0.00 99.88 02:24:01 1 0.03 0.00 0.03 0.00 0.00 99.93 02:24:01 2 0.05 0.00 0.08 0.00 0.00 99.87 02:24:01 3 0.52 0.00 0.03 0.00 0.00 99.45 02:25:01 all 0.91 0.00 0.29 0.81 0.00 98.00 02:25:01 0 0.52 0.00 0.30 0.43 0.00 98.75 02:25:01 1 1.87 0.00 0.50 1.73 0.00 95.90 02:25:01 2 0.40 0.00 0.10 0.02 0.00 99.48 02:25:01 3 0.85 0.00 0.25 1.05 0.00 97.85 Average: all 1.92 0.00 0.96 0.92 0.00 96.20 Average: 0 1.64 0.00 1.12 0.73 0.00 96.51 Average: 1 1.95 0.00 0.85 0.83 0.00 96.36 Average: 2 1.83 0.00 0.84 0.93 0.00 96.40 Average: 3 2.26 0.00 1.01 1.18 0.00 95.54