---> uname -a: Linux ae8e2d01267c 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-host /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/edgexfoundry_edgex-docs_PR-220 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/edgexfoundry_edgex-docs_PR-220@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 691 138 0 1007 1039 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) 09/22/20 _x86_64_ (4 CPU) 17:49:25 LINUX RESTART (4 CPU) 17:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:51:01 145.72 95.51 50.21 0.00 8014.59 35964.31 0.00 17:52:01 81.62 19.97 61.65 0.00 4968.82 19692.10 0.00 17:53:01 79.02 15.67 63.35 0.00 1713.70 8080.44 0.00 Average: 101.88 43.44 58.45 0.00 4882.58 21167.15 0.00 17:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:51:01 66076 0 527440 28.03 2620 1285420 1078544 36.81 388624 1272944 59612 17:52:01 89696 0 633536 33.67 2620 1155704 1307712 44.63 527828 1078648 24112 17:53:01 102388 0 685832 36.45 2620 1090716 1383240 47.21 660708 911988 8 Average: 86053 0 615603 32.72 2620 1177280 1256499 42.88 525720 1087860 27911 17:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:51:01 eth0 154.18 118.81 571.25 39.51 0.00 0.00 0.00 0.00 17:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:52:01 eth0 617.58 375.41 3328.33 45.29 0.00 0.00 0.00 0.00 17:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:53:01 eth0 336.88 215.77 384.28 1111.05 0.00 0.00 0.00 0.00 17:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:53:01 docker0 28.12 49.98 1.89 294.50 0.00 0.00 0.00 0.00 Average: eth0 370.79 237.34 1433.23 400.38 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.42 16.74 0.63 98.65 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) 09/22/20 _x86_64_ (4 CPU) 17:49:25 LINUX RESTART (4 CPU) 17:50:02 CPU %user %nice %system %iowait %steal %idle 17:51:01 all 12.81 0.00 9.67 8.89 39.02 29.62 17:51:01 0 14.57 0.00 11.65 6.61 39.36 27.82 17:51:01 1 11.48 0.00 9.38 8.81 39.85 30.47 17:51:01 2 11.49 0.00 8.61 9.30 38.54 32.05 17:51:01 3 13.81 0.00 9.11 10.81 38.31 27.97 17:52:01 all 4.97 0.00 2.87 1.37 9.74 81.05 17:52:01 0 4.98 0.00 2.72 1.37 11.21 79.72 17:52:01 1 3.39 0.00 2.11 1.85 8.77 83.88 17:52:01 2 7.37 0.00 3.86 1.82 10.13 76.82 17:52:01 3 4.22 0.00 2.84 0.43 8.86 83.66 17:53:01 all 14.21 0.00 2.87 0.61 11.47 70.85 17:53:01 0 25.92 0.00 4.49 0.24 13.52 55.83 17:53:01 1 8.63 0.00 2.34 1.03 9.86 78.13 17:53:01 2 8.84 0.00 1.83 0.29 10.48 78.56 17:53:01 3 13.89 0.00 2.89 0.87 12.09 70.26 Average: all 10.73 0.00 5.25 3.76 20.56 59.69 Average: 0 15.06 0.00 6.38 2.82 21.69 54.05 Average: 1 7.95 0.00 4.74 4.03 20.06 63.21 Average: 2 9.32 0.00 4.89 3.99 20.38 61.41 Average: 3 10.73 0.00 5.03 4.18 20.14 59.93