---> uname -a: Linux 1c8559389dec 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-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 607 105 0 1124 1126 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) 07/08/20 _x86_64_ (4 CPU) 13:50:46 LINUX RESTART 13:52:01 tps rtps wtps bread/s bwrtn/s 13:53:01 0.80 0.07 0.73 0.67 11.85 13:54:01 137.28 38.64 98.64 6941.79 28984.72 13:55:01 106.12 56.99 49.13 7142.90 14031.68 Average: 81.43 31.90 49.53 4696.36 14350.86 13:52:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:53:01 118264 1763292 93.71 2620 1327088 965416 32.95 280688 1328076 2328 13:54:01 105584 1775972 94.39 2620 1165052 1214932 41.46 546420 1011032 44544 13:55:01 136444 1745112 92.75 2596 1168152 1290648 44.05 694572 872996 33520 Average: 120097 1761459 93.62 2612 1220097 1156999 39.49 507227 1070701 26797 13:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:53:01 eth0 20.83 15.07 51.65 7.61 0.00 0.00 0.00 13:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:54:01 veth5c614a6 20.90 38.57 1.84 293.10 0.00 0.00 0.00 13:54:01 eth0 898.26 561.48 4327.61 101.51 0.00 0.00 0.00 13:54:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:54:01 docker0 20.90 38.44 1.55 293.09 0.00 0.00 0.00 13:55:01 eth0 848.05 527.89 2497.16 2821.42 0.00 0.00 0.00 13:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:55:01 docker0 0.10 0.07 0.00 0.01 0.00 0.00 0.00 Average: eth0 532.64 333.07 2142.09 966.79 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.01 12.85 0.52 97.81 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) 07/08/20 _x86_64_ (4 CPU) 13:50:46 LINUX RESTART 13:52:01 CPU %user %nice %system %iowait %steal %idle 13:53:01 all 0.63 0.00 0.13 0.00 0.41 98.83 13:53:01 0 0.85 0.00 0.12 0.00 1.01 98.02 13:53:01 1 0.43 0.00 0.18 0.00 0.22 99.17 13:53:01 2 0.78 0.00 0.03 0.00 0.18 99.00 13:53:01 3 0.47 0.00 0.13 0.00 0.20 99.20 13:54:01 all 12.67 0.00 4.37 2.41 7.50 73.05 13:54:01 0 14.74 0.00 5.33 1.62 7.39 70.92 13:54:01 1 11.74 0.00 4.08 1.67 8.11 74.39 13:54:01 2 11.93 0.00 3.84 2.25 7.11 74.86 13:54:01 3 12.33 0.00 4.29 4.08 7.39 71.91 13:55:01 all 14.43 0.00 4.07 2.08 12.60 66.81 13:55:01 0 22.96 0.00 4.58 3.49 11.75 57.21 13:55:01 1 11.98 0.00 2.79 1.47 13.87 69.88 13:55:01 2 13.43 0.00 5.27 1.98 12.02 67.31 13:55:01 3 9.97 0.00 3.70 1.51 12.71 72.11 Average: all 9.24 0.00 2.85 1.49 6.86 79.56 Average: 0 12.67 0.00 3.29 1.68 6.63 75.73 Average: 1 8.09 0.00 2.35 1.05 7.49 81.02 Average: 2 8.73 0.00 3.06 1.41 6.47 80.33 Average: 3 7.58 0.00 2.71 1.84 6.83 81.04