---> uname -a: Linux 8c24c71471a8 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: 2933.396 BogoMIPS: 5866.79 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% /w/workspace/edgexfoundry_edgex-docs_PR-198@tmp /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-198 ---> free -m: total used free shared buff/cache available Mem: 1837 666 92 0 1079 1067 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) 01:49:58 LINUX RESTART 01:51:02 tps rtps wtps bread/s bwrtn/s 01:52:01 52.73 11.73 41.00 3597.29 16113.91 01:53:01 50.14 19.64 30.50 2773.70 5242.98 01:54:01 210.44 116.08 94.36 8297.12 27846.38 Average: 104.72 49.36 55.36 4896.51 16402.68 01:51:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 68320 1813236 96.37 2620 1227520 1286736 43.91 502444 1154324 2536 01:53:01 91228 1790328 95.15 2620 1148720 1241468 42.37 575260 1038396 16064 01:54:01 89396 1792160 95.25 2500 1119216 1283012 43.79 614512 962048 3380 Average: 82981 1798575 95.59 2580 1165152 1270405 43.36 564072 1051589 7327 01:51:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 389.34 319.94 1095.06 43.69 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 veth137e03b 10.37 18.40 0.77 146.44 0.00 0.00 0.00 01:53:01 eth0 1135.26 822.79 4061.38 112.33 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 10.37 18.30 0.63 146.44 0.00 0.00 0.00 01:54:01 eth0 814.02 503.80 2622.19 2005.63 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 docker0 11.82 18.25 0.96 146.94 0.00 0.00 0.00 Average: eth0 441.35 306.91 1354.74 690.08 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.44 12.25 0.53 98.33 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) 01:49:58 LINUX RESTART 01:51:02 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 2.87 0.00 1.24 1.29 0.01 94.59 01:52:01 0 4.34 0.00 2.46 0.34 0.02 92.83 01:52:01 1 3.10 0.00 0.66 0.08 0.00 96.15 01:52:01 2 1.61 0.00 0.81 0.85 0.02 96.71 01:52:01 3 2.41 0.00 1.00 3.88 0.00 92.71 01:53:01 all 2.58 0.00 1.52 0.60 0.00 95.29 01:53:01 0 1.65 0.00 1.49 0.97 0.02 95.87 01:53:01 1 4.56 0.00 1.84 0.27 0.00 93.34 01:53:01 2 2.05 0.00 1.29 0.98 0.00 95.68 01:53:01 3 2.06 0.00 1.49 0.15 0.02 96.29 01:54:01 all 19.46 0.00 6.73 2.90 0.03 70.88 01:54:01 0 16.37 0.00 7.72 1.02 0.03 74.86 01:54:01 1 19.87 0.00 6.77 3.85 0.03 69.48 01:54:01 2 24.61 0.00 6.02 3.41 0.02 65.94 01:54:01 3 16.94 0.00 6.42 3.30 0.03 73.31 Average: all 8.29 0.00 3.16 1.59 0.02 86.94 Average: 0 7.44 0.00 3.89 0.78 0.02 87.87 Average: 1 9.17 0.00 3.09 1.40 0.01 86.33 Average: 2 9.43 0.00 2.71 1.75 0.01 86.10 Average: 3 7.12 0.00 2.97 2.43 0.02 87.46