---> uname -a: Linux 6fe7eb806fa2 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-rest-go_PR-42 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-rest-go_PR-42@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 645 125 0 1066 1085 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) 09/22/20 _x86_64_ (4 CPU) 06:05:10 LINUX RESTART (4 CPU) 06:06:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:07:01 27.75 10.00 17.75 0.00 4332.94 2520.43 0.00 06:08:01 1.37 0.00 1.37 0.00 0.00 20.60 0.00 06:09:01 0.42 0.00 0.42 0.00 0.00 6.13 0.00 06:10:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 06:11:01 0.25 0.00 0.25 0.00 0.00 3.15 0.00 06:12:01 0.37 0.02 0.35 0.00 0.13 4.10 0.00 Average: 5.07 1.67 3.39 0.00 722.42 426.34 0.00 06:06:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:07:01 154812 0 556208 29.56 2620 1167916 1110556 37.90 415556 1150396 20 06:08:01 160108 0 550908 29.28 2620 1167920 1080084 36.86 415564 1146232 16 06:09:01 156740 0 554268 29.46 2620 1167928 1080324 36.87 421204 1144052 8 06:10:01 155596 0 555412 29.52 2620 1167928 1080228 36.87 426692 1139720 8 06:11:01 153632 0 557372 29.62 2620 1167932 1080168 36.86 438328 1130412 8 06:12:01 153728 0 557264 29.62 2620 1167944 1080132 36.86 438276 1130412 12 Average: 155769 0 555239 29.51 2620 1167928 1085249 37.04 425937 1140204 12 06:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:07:01 eth0 159.83 136.62 477.35 172.84 0.00 0.00 0.00 0.00 06:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 docker0 48.81 40.60 3.83 132.78 0.00 0.00 0.00 0.00 06:08:01 eth0 0.63 0.10 0.06 0.04 0.00 0.00 0.00 0.00 06:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 eth0 1.18 0.38 0.33 0.20 0.00 0.00 0.00 0.00 06:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 eth0 0.47 0.30 0.27 0.20 0.00 0.00 0.00 0.00 06:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:11:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 0.00 06:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:12:01 eth0 0.18 0.15 0.07 0.01 0.00 0.00 0.00 0.00 06:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 27.09 22.96 79.72 28.90 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 8.14 6.77 0.64 22.14 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) 09/22/20 _x86_64_ (4 CPU) 06:05:10 LINUX RESTART (4 CPU) 06:06:01 CPU %user %nice %system %iowait %steal %idle 06:07:01 all 3.39 0.00 1.66 0.68 0.01 94.26 06:07:01 0 4.16 0.00 1.77 0.20 0.02 93.85 06:07:01 1 2.87 0.00 1.47 1.19 0.00 94.47 06:07:01 2 3.26 0.00 1.90 1.19 0.00 93.65 06:07:01 3 3.28 0.00 1.49 0.15 0.02 95.07 06:08:01 all 0.15 0.00 0.04 0.00 0.00 99.81 06:08:01 0 0.05 0.00 0.03 0.00 0.00 99.92 06:08:01 1 0.45 0.00 0.05 0.00 0.00 99.50 06:08:01 2 0.08 0.00 0.05 0.00 0.00 99.87 06:08:01 3 0.03 0.00 0.02 0.00 0.00 99.95 06:09:01 all 0.10 0.00 0.05 0.00 0.00 99.85 06:09:01 0 0.03 0.00 0.07 0.00 0.00 99.90 06:09:01 1 0.25 0.00 0.02 0.00 0.00 99.73 06:09:01 2 0.08 0.00 0.07 0.00 0.00 99.85 06:09:01 3 0.05 0.00 0.03 0.00 0.00 99.92 06:10:01 all 0.15 0.00 0.03 0.00 0.00 99.81 06:10:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:10:01 1 0.53 0.00 0.03 0.00 0.00 99.43 06:10:01 2 0.03 0.00 0.05 0.00 0.02 99.90 06:10:01 3 0.03 0.00 0.02 0.00 0.00 99.95 06:11:01 all 0.14 0.00 0.07 0.00 0.00 99.79 06:11:01 0 0.05 0.00 0.17 0.00 0.00 99.78 06:11:01 1 0.43 0.00 0.03 0.00 0.00 99.53 06:11:01 2 0.07 0.00 0.05 0.00 0.00 99.88 06:11:01 3 0.02 0.00 0.03 0.00 0.00 99.95 06:12:01 all 0.15 0.00 0.02 0.00 0.00 99.83 06:12:01 0 0.02 0.00 0.00 0.02 0.00 99.97 06:12:01 1 0.52 0.00 0.02 0.00 0.00 99.47 06:12:01 2 0.03 0.00 0.05 0.00 0.00 99.92 06:12:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.68 0.00 0.31 0.11 0.00 98.89 Average: 0 0.72 0.00 0.34 0.04 0.00 98.90 Average: 1 0.84 0.00 0.27 0.20 0.00 98.69 Average: 2 0.59 0.00 0.36 0.20 0.00 98.85 Average: 3 0.57 0.00 0.27 0.03 0.00 99.14