---> uname -a: Linux e8b673d84440 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: 2933.396 BogoMIPS: 5866.79 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-559 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-559@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 657 128 0 1050 1074 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) 07/28/20 _x86_64_ (4 CPU) 07:13:11 LINUX RESTART 07:14:01 tps rtps wtps bread/s bwrtn/s 07:15:01 26.91 10.54 16.37 4372.69 2099.23 07:16:01 1.68 0.00 1.68 0.00 30.46 07:17:01 0.25 0.00 0.25 0.00 2.85 07:18:01 0.28 0.00 0.28 0.00 3.20 07:19:01 0.28 0.00 0.28 0.00 4.83 Average: 5.88 2.11 3.77 874.74 428.21 07:14:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:15:01 165668 1715888 91.20 2620 1139676 1104512 37.70 433128 1123192 20 07:16:01 169816 1711740 90.97 2620 1139680 1073160 36.63 432232 1120612 8 07:17:01 169124 1712432 91.01 2620 1139688 1073316 36.63 433260 1120612 8 07:18:01 169384 1712172 91.00 2620 1139688 1073088 36.62 433768 1119980 12 07:19:01 169052 1712504 91.02 2620 1139692 1073172 36.63 436004 1118056 16 Average: 168609 1712947 91.04 2620 1139685 1079450 36.84 433678 1120490 13 07:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:15:01 eth0 61.74 46.74 352.37 44.73 0.00 0.00 0.00 07:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:15:01 docker0 7.84 6.53 0.96 17.43 0.00 0.00 0.00 07:16:01 eth0 3.95 1.60 2.95 0.11 0.00 0.00 0.00 07:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 eth0 1.23 0.73 0.60 0.40 0.00 0.00 0.00 07:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 07:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 07:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 13.44 9.85 71.22 9.07 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.57 1.31 0.19 3.49 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) 07/28/20 _x86_64_ (4 CPU) 07:13:11 LINUX RESTART 07:14:01 CPU %user %nice %system %iowait %steal %idle 07:15:01 all 2.27 0.00 1.33 0.71 0.01 95.68 07:15:01 0 1.92 0.00 1.24 0.75 0.00 96.08 07:15:01 1 2.34 0.00 1.14 0.07 0.00 96.46 07:15:01 2 2.26 0.00 1.34 0.43 0.00 95.97 07:15:01 3 2.57 0.00 1.59 1.60 0.02 94.22 07:16:01 all 0.15 0.00 0.05 0.00 0.00 99.80 07:16:01 0 0.05 0.00 0.05 0.00 0.00 99.90 07:16:01 1 0.47 0.00 0.05 0.00 0.00 99.48 07:16:01 2 0.05 0.00 0.05 0.00 0.00 99.90 07:16:01 3 0.03 0.00 0.03 0.00 0.00 99.93 07:17:01 all 0.15 0.00 0.04 0.00 0.00 99.80 07:17:01 0 0.05 0.00 0.03 0.00 0.00 99.92 07:17:01 1 0.47 0.00 0.02 0.00 0.00 99.52 07:17:01 2 0.05 0.00 0.05 0.00 0.00 99.90 07:17:01 3 0.05 0.00 0.03 0.00 0.00 99.92 07:18:01 all 0.14 0.00 0.03 0.00 0.00 99.83 07:18:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:18:01 1 0.52 0.00 0.05 0.00 0.00 99.43 07:18:01 2 0.03 0.00 0.03 0.00 0.00 99.93 07:18:01 3 0.00 0.00 0.02 0.00 0.00 99.98 07:19:01 all 0.16 0.00 0.06 0.00 0.00 99.78 07:19:01 0 0.02 0.00 0.12 0.00 0.00 99.87 07:19:01 1 0.53 0.00 0.05 0.00 0.00 99.42 07:19:01 2 0.05 0.00 0.05 0.00 0.02 99.88 07:19:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.57 0.00 0.30 0.14 0.00 98.98 Average: 0 0.41 0.00 0.29 0.15 0.00 99.15 Average: 1 0.86 0.00 0.26 0.01 0.00 98.86 Average: 2 0.49 0.00 0.30 0.09 0.00 99.12 Average: 3 0.54 0.00 0.34 0.32 0.00 98.80