---> uname -a: Linux cfc3332acda4 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-536 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-536@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 624 125 0 1087 1107 Swap: 1023 1 1022 ---> 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) 06/11/20 _x86_64_ (4 CPU) 03:40:44 LINUX RESTART 03:41:01 tps rtps wtps bread/s bwrtn/s 03:42:01 174.92 84.14 90.78 10303.36 40358.64 03:43:01 2.31 0.00 2.31 0.00 49.24 03:44:01 0.60 0.00 0.60 0.00 9.13 03:45:01 0.52 0.00 0.52 0.00 6.50 Average: 44.61 21.04 23.56 2577.02 10110.49 03:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:42:01 176600 1704956 90.61 2620 1166868 1094144 37.34 416100 1126884 120 03:43:01 180968 1700588 90.38 2620 1166964 1072100 36.59 413996 1125912 12 03:44:01 179996 1701560 90.43 2620 1166972 1054804 36.00 415512 1125596 16 03:45:01 177628 1703928 90.56 2620 1166972 1054932 36.00 417980 1125436 16 Average: 178798 1702758 90.50 2620 1166944 1068995 36.48 415897 1125957 41 03:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:42:01 eth0 439.30 280.86 1066.85 105.16 0.00 0.00 0.00 03:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 docker0 9.57 7.52 1.26 18.04 0.00 0.00 0.00 03:43:01 eth0 0.50 0.35 0.30 0.21 0.00 0.00 0.00 03:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:44:01 eth0 1.97 0.32 0.41 0.17 0.00 0.00 0.00 03:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:45:01 eth0 1.87 0.88 0.86 0.60 0.00 0.00 0.00 03:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 110.96 70.63 267.23 26.54 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.39 1.88 0.31 4.51 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) 06/11/20 _x86_64_ (4 CPU) 03:40:44 LINUX RESTART 03:41:01 CPU %user %nice %system %iowait %steal %idle 03:42:01 all 15.34 0.00 7.87 10.88 0.02 65.89 03:42:01 0 15.63 0.00 9.26 8.82 0.02 66.27 03:42:01 1 14.45 0.00 7.60 11.03 0.02 66.91 03:42:01 2 16.24 0.00 6.71 12.47 0.02 64.56 03:42:01 3 15.06 0.00 7.93 11.16 0.02 65.83 03:43:01 all 0.16 0.00 0.04 0.00 0.00 99.80 03:43:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:43:01 1 0.05 0.00 0.03 0.00 0.00 99.92 03:43:01 2 0.50 0.00 0.05 0.00 0.00 99.45 03:43:01 3 0.07 0.00 0.05 0.00 0.00 99.88 03:44:01 all 0.15 0.00 0.04 0.00 0.00 99.82 03:44:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:44:01 1 0.05 0.00 0.07 0.00 0.00 99.88 03:44:01 2 0.47 0.00 0.02 0.00 0.02 99.50 03:44:01 3 0.03 0.00 0.02 0.00 0.00 99.95 03:45:01 all 0.19 0.00 0.03 0.00 0.00 99.78 03:45:01 0 0.07 0.00 0.02 0.00 0.00 99.92 03:45:01 1 0.10 0.00 0.07 0.00 0.00 99.83 03:45:01 2 0.52 0.00 0.03 0.00 0.00 99.45 03:45:01 3 0.05 0.00 0.02 0.00 0.00 99.93 Average: all 3.93 0.00 1.98 2.70 0.01 91.38 Average: 0 3.91 0.00 2.32 2.19 0.00 91.58 Average: 1 3.64 0.00 1.93 2.74 0.00 91.68 Average: 2 4.41 0.00 1.69 3.10 0.01 90.79 Average: 3 3.76 0.00 1.98 2.76 0.00 91.48