---> uname -a: Linux 073b8c3a9e72 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 7.2G 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-553 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-553@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 661 120 0 1055 1070 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) 08/11/20 _x86_64_ (4 CPU) 02:41:38 LINUX RESTART 02:42:01 tps rtps wtps bread/s bwrtn/s 02:43:01 176.49 86.05 90.44 10452.11 40340.54 02:44:01 3.35 0.00 3.35 0.00 111.41 02:45:01 0.75 0.00 0.75 0.00 9.54 02:46:01 0.67 0.00 0.67 0.00 7.79 02:47:01 0.43 0.00 0.43 0.00 5.73 02:48:01 0.33 0.00 0.33 0.00 4.93 02:49:01 0.28 0.02 0.27 0.13 2.88 Average: 26.05 12.30 13.75 1493.71 5785.32 02:42:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:43:01 157676 1723880 91.62 2620 1142120 1132640 38.65 439848 1123744 120 02:44:01 163332 1718224 91.32 2620 1142236 1097308 37.45 437964 1121400 12 02:45:01 161744 1719812 91.40 2620 1142244 1090372 37.21 439696 1121144 8 02:46:01 162684 1718872 91.35 2620 1142244 1090180 37.21 438540 1121144 8 02:47:01 159892 1721664 91.50 2620 1142252 1090408 37.21 449156 1113684 8 02:48:01 160604 1720952 91.46 2620 1142256 1090260 37.21 448436 1113616 8 02:49:01 161328 1720228 91.43 2620 1142264 1090180 37.21 448008 1113616 8 Average: 161037 1720519 91.44 2620 1142231 1097335 37.45 443093 1118335 25 02:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:43:01 eth0 440.14 267.25 1073.33 106.29 0.00 0.00 0.00 02:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:43:01 docker0 7.37 5.86 0.95 17.59 0.00 0.00 0.00 02:44:01 eth0 4.96 2.65 3.77 0.19 0.00 0.00 0.00 02:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:45:01 eth0 1.07 0.47 0.31 0.21 0.00 0.00 0.00 02:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:46:01 eth0 0.83 0.08 0.08 0.01 0.00 0.00 0.00 02:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:47:01 eth0 0.93 0.60 0.53 0.40 0.00 0.00 0.00 02:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:48:01 eth0 0.32 0.18 0.14 0.07 0.00 0.00 0.00 02:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:49:01 eth0 0.10 0.12 0.01 0.01 0.00 0.00 0.00 02:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 64.07 38.78 154.08 15.32 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.05 0.84 0.14 2.51 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) 08/11/20 _x86_64_ (4 CPU) 02:41:38 LINUX RESTART 02:42:01 CPU %user %nice %system %iowait %steal %idle 02:43:01 all 15.28 0.00 8.35 8.01 0.03 68.33 02:43:01 0 13.95 0.00 8.23 10.41 0.05 67.36 02:43:01 1 14.76 0.00 9.54 8.75 0.03 66.92 02:43:01 2 15.27 0.00 7.63 6.10 0.03 70.96 02:43:01 3 17.13 0.00 7.96 6.79 0.02 68.10 02:44:01 all 0.18 0.00 0.05 0.00 0.00 99.77 02:44:01 0 0.07 0.00 0.05 0.00 0.00 99.88 02:44:01 1 0.55 0.00 0.05 0.00 0.00 99.40 02:44:01 2 0.05 0.00 0.05 0.00 0.00 99.90 02:44:01 3 0.07 0.00 0.07 0.00 0.00 99.87 02:45:01 all 0.17 0.00 0.04 0.00 0.00 99.79 02:45:01 0 0.05 0.00 0.02 0.00 0.00 99.93 02:45:01 1 0.12 0.00 0.07 0.00 0.00 99.82 02:45:01 2 0.03 0.00 0.03 0.00 0.00 99.93 02:45:01 3 0.47 0.00 0.03 0.00 0.00 99.50 02:46:01 all 0.14 0.00 0.03 0.00 0.00 99.83 02:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 02:46:01 1 0.02 0.00 0.02 0.00 0.00 99.97 02:46:01 2 0.05 0.00 0.07 0.00 0.00 99.88 02:46:01 3 0.47 0.00 0.03 0.00 0.00 99.50 02:47:01 all 0.17 0.00 0.03 0.00 0.00 99.80 02:47:01 0 0.03 0.00 0.00 0.00 0.00 99.97 02:47:01 1 0.05 0.00 0.02 0.00 0.00 99.93 02:47:01 2 0.02 0.00 0.08 0.00 0.00 99.90 02:47:01 3 0.55 0.00 0.02 0.00 0.00 99.43 02:48:01 all 0.15 0.00 0.06 0.00 0.00 99.79 02:48:01 0 0.03 0.00 0.03 0.00 0.00 99.93 02:48:01 1 0.05 0.00 0.05 0.00 0.02 99.88 02:48:01 2 0.02 0.00 0.13 0.00 0.00 99.85 02:48:01 3 0.52 0.00 0.03 0.00 0.00 99.45 02:49:01 all 0.16 0.00 0.03 0.00 0.00 99.80 02:49:01 0 0.03 0.00 0.02 0.00 0.00 99.95 02:49:01 1 0.05 0.00 0.07 0.00 0.00 99.88 02:49:01 2 0.03 0.00 0.02 0.00 0.00 99.95 02:49:01 3 0.52 0.00 0.02 0.00 0.00 99.47 Average: all 2.30 0.00 1.22 1.13 0.01 95.34 Average: 0 2.01 0.00 1.19 1.47 0.01 95.33 Average: 1 2.21 0.00 1.39 1.24 0.01 95.15 Average: 2 2.19 0.00 1.14 0.87 0.00 95.80 Average: 3 2.79 0.00 1.15 0.96 0.00 95.10