---> uname -a: Linux cf9a6094d26e 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 7.8G 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-140 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-140@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 618 113 0 1105 1114 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) 08/04/20 _x86_64_ (4 CPU) 01:50:28 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:02 105.67 46.18 59.49 3566.67 42685.61 01:53:01 119.60 37.94 81.66 7055.33 20695.74 01:54:01 216.30 109.21 107.09 8931.21 29968.87 Average: 147.38 64.62 82.77 6516.34 31171.76 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:02 133484 1748072 92.91 2620 1254980 1062392 36.26 465632 1128496 20 01:53:01 117360 1764196 93.76 2620 1140672 1288700 43.98 600416 966936 58060 01:54:01 113372 1768184 93.97 2232 1129752 1270808 43.37 642196 922388 292 Average: 121405 1760151 93.55 2491 1175135 1207300 41.20 569415 1005940 19457 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:02 eth0 561.88 319.51 3000.05 53.46 0.00 0.00 0.00 01:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 veth97565ca 23.80 47.96 1.99 279.61 0.00 0.00 0.00 01:53:01 eth0 831.28 443.06 4426.00 102.36 0.00 0.00 0.00 01:53:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:53:01 docker0 23.80 47.83 1.66 279.60 0.00 0.00 0.00 01:54:01 eth0 98.14 70.39 2361.01 19.35 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 veth994b4f9 0.27 0.32 0.39 0.12 0.00 0.00 0.00 01:54:01 docker0 2.26 2.34 0.53 18.84 0.00 0.00 0.00 Average: eth0 296.51 166.45 2236.91 39.88 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth994b4f9 0.09 0.11 0.13 0.04 0.00 0.00 0.00 Average: docker0 8.60 16.55 0.73 98.47 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) 08/04/20 _x86_64_ (4 CPU) 01:50:28 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:02 all 10.88 0.00 6.10 7.08 26.28 49.65 01:52:02 0 9.44 0.00 7.44 6.34 27.58 49.19 01:52:02 1 10.57 0.00 6.41 7.17 25.49 50.36 01:52:02 2 12.72 0.00 5.91 8.41 27.48 45.49 01:52:02 3 10.85 0.00 4.67 6.48 24.63 53.37 01:53:01 all 8.75 0.00 3.12 2.65 16.25 69.23 01:53:01 0 6.20 0.00 2.61 2.01 19.48 69.69 01:53:01 1 12.06 0.00 4.06 2.16 16.66 65.06 01:53:01 2 8.39 0.00 3.13 4.42 14.79 69.27 01:53:01 3 8.46 0.00 2.70 2.04 14.05 72.75 01:54:01 all 8.62 0.00 3.75 3.25 14.62 69.76 01:54:01 0 8.04 0.00 4.23 2.14 15.04 70.54 01:54:01 1 6.02 0.00 3.67 5.06 14.84 70.41 01:54:01 2 8.26 0.00 3.15 4.36 13.37 70.85 01:54:01 3 12.07 0.00 3.97 1.40 15.22 67.33 Average: all 9.42 0.00 4.33 4.34 19.08 62.83 Average: 0 7.89 0.00 4.76 3.51 20.75 63.08 Average: 1 9.54 0.00 4.73 4.84 19.08 61.81 Average: 2 9.78 0.00 4.06 5.72 18.51 61.94 Average: 3 10.46 0.00 3.78 3.32 17.99 64.44