---> uname -a: Linux eb147e17a581 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dgexfoundry_device-rest-go_PR-27 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dgexfoundry_device-rest-go_PR-27@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 657 109 0 1070 1074 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) 06/23/20 _x86_64_ (4 CPU) 20:35:04 LINUX RESTART 20:36:01 tps rtps wtps bread/s bwrtn/s 20:37:01 6.36 1.12 5.24 39.16 639.46 20:38:01 1.63 0.00 1.63 0.00 31.76 Average: 4.00 0.56 3.44 19.58 335.63 20:36:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:37:01 147768 1733788 92.15 2620 1152320 1114152 38.02 439240 1134292 20 20:38:01 153304 1728252 91.85 2620 1152324 1073596 36.64 439284 1129920 16 Average: 150536 1731020 92.00 2620 1152322 1093874 37.33 439262 1132106 18 20:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:37:01 eth0 58.57 37.66 19.93 156.68 0.00 0.00 0.00 20:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 docker0 0.03 0.03 0.00 0.00 0.00 0.00 0.00 20:38:01 eth0 1.15 0.30 0.34 0.16 0.00 0.00 0.00 20:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 29.86 18.98 10.14 78.43 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.02 0.02 0.00 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) 06/23/20 _x86_64_ (4 CPU) 20:35:04 LINUX RESTART 20:36:01 CPU %user %nice %system %iowait %steal %idle 20:37:01 all 1.67 0.00 0.39 0.19 0.00 97.75 20:37:01 0 1.67 0.00 0.38 0.07 0.00 97.88 20:37:01 1 1.87 0.00 0.37 0.48 0.00 97.28 20:37:01 2 1.65 0.00 0.43 0.00 0.00 97.91 20:37:01 3 1.50 0.00 0.35 0.22 0.00 97.93 20:38:01 all 0.15 0.00 0.05 0.00 0.00 99.80 20:38:01 0 0.03 0.00 0.05 0.00 0.00 99.92 20:38:01 1 0.50 0.00 0.10 0.00 0.00 99.40 20:38:01 2 0.07 0.00 0.03 0.00 0.00 99.90 20:38:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.91 0.00 0.22 0.10 0.00 98.77 Average: 0 0.85 0.00 0.22 0.03 0.00 98.90 Average: 1 1.18 0.00 0.23 0.24 0.00 98.34 Average: 2 0.86 0.00 0.23 0.00 0.00 98.91 Average: 3 0.77 0.00 0.19 0.11 0.00 98.93