---> uname -a: Linux cb7592a410a2 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: 2933.442 BogoMIPS: 5866.88 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 7.8G 42.2G 16% / 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 7.8G 42.2G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-165 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-165@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 655 101 0 1080 1077 Swap: 1023 2 1021 ---> 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) 07/21/20 _x86_64_ (4 CPU) 01:49:35 LINUX RESTART 01:50:02 tps rtps wtps bread/s bwrtn/s 01:51:01 126.76 46.04 80.73 7776.97 34274.67 01:52:01 121.35 36.69 84.66 5295.84 14026.14 Average: 124.03 41.32 82.71 6526.52 24069.75 01:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 77516 1804040 95.88 2620 1149344 1514692 51.69 610972 1021256 84120 01:52:01 124036 1757520 93.41 2596 1118308 1205880 41.15 757720 790236 82468 Average: 100776 1780780 94.64 2608 1133826 1360286 46.42 684346 905746 83294 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 eth0 1105.21 649.48 4101.85 92.95 0.00 0.00 0.00 01:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 vethccf1ccb 24.16 40.72 2.02 293.41 0.00 0.00 0.00 01:52:01 eth0 2097.27 1272.90 4567.79 2754.33 0.00 0.00 0.00 01:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:01 docker0 24.16 40.58 1.69 293.40 0.00 0.00 0.00 Average: vethccf1ccb 12.18 20.52 1.02 147.87 0.00 0.00 0.00 Average: eth0 1056.99 641.52 2302.09 1388.14 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.18 20.45 0.85 147.87 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) 07/21/20 _x86_64_ (4 CPU) 01:49:35 LINUX RESTART 01:50:02 CPU %user %nice %system %iowait %steal %idle 01:51:01 all 17.40 0.00 6.96 4.94 0.26 70.44 01:51:01 0 16.10 0.00 6.45 2.37 0.36 74.71 01:51:01 1 18.92 0.00 8.32 5.68 0.24 66.84 01:51:01 2 16.92 0.00 7.34 8.25 0.24 67.26 01:51:01 3 17.63 0.00 5.70 3.44 0.21 73.02 01:52:01 all 18.88 0.00 5.89 1.77 0.13 73.32 01:52:01 0 36.12 0.00 7.95 0.74 0.14 55.06 01:52:01 1 12.68 0.00 4.50 1.25 0.13 81.44 01:52:01 2 14.54 0.00 4.63 1.52 0.12 79.20 01:52:01 3 12.27 0.00 6.51 3.59 0.13 77.49 Average: all 18.15 0.00 6.42 3.34 0.20 71.90 Average: 0 26.23 0.00 7.21 1.55 0.25 64.76 Average: 1 15.77 0.00 6.39 3.44 0.19 74.21 Average: 2 15.72 0.00 5.97 4.85 0.18 73.28 Average: 3 14.93 0.00 6.11 3.52 0.17 75.27