---> uname -a: Linux 46a11558c3f4 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 7.7G 42.3G 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 7.7G 42.3G 15% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hostname /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hosts /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 111 0 1057 1064 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) 08/13/20 _x86_64_ (4 CPU) 01:50:26 LINUX RESTART 01:51:02 tps rtps wtps bread/s bwrtn/s 01:52:01 123.89 48.71 75.18 7860.06 33403.43 01:53:01 128.11 64.67 63.45 6134.10 12429.28 Average: 126.00 56.69 69.31 6997.01 22915.47 01:51:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 71752 1809804 96.19 2620 1178672 1522284 51.95 565820 1072152 63100 01:53:01 96604 1784952 94.87 2620 1160236 1136456 38.79 651532 940660 148 Average: 84178 1797378 95.53 2620 1169454 1329370 45.37 608676 1006406 31624 01:51:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 991.00 769.23 3940.31 109.94 0.00 0.00 0.00 01:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 eth0 781.07 488.50 462.28 2040.97 0.00 0.00 0.00 01:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 docker0 22.31 37.42 1.58 298.76 0.00 0.00 0.00 Average: eth0 886.03 628.85 2201.14 1075.54 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.16 18.71 0.79 149.39 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) 08/13/20 _x86_64_ (4 CPU) 01:50:26 LINUX RESTART 01:51:02 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 17.66 0.00 8.07 2.54 0.99 70.73 01:52:01 0 20.43 0.00 9.91 3.56 1.06 65.05 01:52:01 1 16.63 0.00 6.77 2.69 0.98 72.93 01:52:01 2 17.13 0.00 8.19 1.34 0.96 72.38 01:52:01 3 16.54 0.00 7.43 2.59 0.99 72.45 01:53:01 all 17.88 0.00 4.92 1.78 0.39 75.04 01:53:01 0 25.35 0.00 6.16 0.92 0.36 67.20 01:53:01 1 21.57 0.00 5.20 0.34 0.46 72.42 01:53:01 2 12.18 0.00 4.47 3.37 0.40 79.59 01:53:01 3 12.47 0.00 3.88 2.49 0.34 80.82 Average: all 17.77 0.00 6.49 2.16 0.69 72.89 Average: 0 22.91 0.00 8.02 2.23 0.71 66.13 Average: 1 19.10 0.00 5.99 1.52 0.72 72.68 Average: 2 14.66 0.00 6.33 2.35 0.68 75.98 Average: 3 14.50 0.00 5.65 2.54 0.67 76.64