---> uname -a: Linux 666ccc306ec1 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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_geneva /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_geneva@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 663 123 0 1050 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) 07/22/20 _x86_64_ (4 CPU) 22:36:05 LINUX RESTART 22:37:02 tps rtps wtps bread/s bwrtn/s 22:38:01 60.95 17.67 43.28 5206.83 4908.47 22:39:01 1.65 0.00 1.65 0.00 32.45 22:40:01 0.27 0.00 0.27 0.00 3.38 22:41:01 0.18 0.00 0.18 0.00 2.01 22:42:01 0.32 0.00 0.32 0.00 4.78 22:43:01 0.28 0.00 0.28 0.00 2.98 Average: 10.48 2.91 7.57 856.60 815.14 22:37:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:38:01 150708 1730848 91.99 2620 1131272 1153336 39.36 438460 1131772 116 22:39:01 162436 1719120 91.37 2620 1131276 1074680 36.68 432016 1128184 20 22:40:01 161892 1719664 91.40 2620 1131284 1074860 36.68 433136 1128184 16 22:41:01 159604 1721952 91.52 2620 1131284 1074848 36.68 438900 1124256 16 22:42:01 160224 1721332 91.48 2620 1131292 1074680 36.68 441572 1121216 8 22:43:01 157924 1723632 91.61 2620 1131296 1074752 36.68 444960 1120040 8 Average: 158798 1722758 91.56 2620 1131284 1087859 37.13 438174 1125609 31 22:37:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:38:01 eth0 243.33 187.33 1054.96 103.47 0.00 0.00 0.00 22:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:38:01 docker0 6.60 4.67 0.79 20.13 0.00 0.00 0.00 22:39:01 eth0 0.72 0.12 0.06 0.03 0.00 0.00 0.00 22:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 eth0 0.98 0.45 0.34 0.22 0.00 0.00 0.00 22:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:01 eth0 0.45 0.42 0.29 0.21 0.00 0.00 0.00 22:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:42:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 22:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 eth0 0.33 0.30 0.17 0.08 0.00 0.00 0.00 22:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 40.45 31.04 173.70 17.11 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.09 0.77 0.13 3.31 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) 07/22/20 _x86_64_ (4 CPU) 22:36:05 LINUX RESTART 22:37:02 CPU %user %nice %system %iowait %steal %idle 22:38:01 all 11.00 0.00 3.72 1.92 12.45 70.91 22:38:01 0 10.19 0.00 3.96 3.40 14.10 68.36 22:38:01 1 10.58 0.00 3.45 2.33 12.05 71.60 22:38:01 2 10.31 0.00 3.92 0.89 12.65 72.22 22:38:01 3 12.96 0.00 3.57 1.03 10.98 71.46 22:39:01 all 0.13 0.00 0.06 0.00 0.19 99.63 22:39:01 0 0.03 0.00 0.03 0.00 0.13 99.80 22:39:01 1 0.05 0.00 0.07 0.00 0.32 99.57 22:39:01 2 0.40 0.00 0.08 0.00 0.22 99.30 22:39:01 3 0.02 0.00 0.07 0.00 0.10 99.82 22:40:01 all 0.09 0.00 0.03 0.00 0.55 99.34 22:40:01 0 0.03 0.00 0.03 0.00 0.73 99.20 22:40:01 1 0.07 0.00 0.05 0.00 0.89 98.99 22:40:01 2 0.23 0.00 0.02 0.00 0.35 99.40 22:40:01 3 0.03 0.00 0.02 0.00 0.22 99.73 22:41:01 all 0.15 0.00 0.03 0.00 0.09 99.73 22:41:01 0 0.07 0.00 0.05 0.00 0.13 99.75 22:41:01 1 0.03 0.00 0.03 0.00 0.02 99.92 22:41:01 2 0.47 0.00 0.03 0.00 0.02 99.48 22:41:01 3 0.02 0.00 0.02 0.00 0.18 99.78 22:42:01 all 0.12 0.00 0.03 0.00 0.06 99.78 22:42:01 0 0.03 0.00 0.05 0.00 0.10 99.82 22:42:01 1 0.03 0.00 0.03 0.00 0.07 99.87 22:42:01 2 0.40 0.00 0.03 0.00 0.03 99.53 22:42:01 3 0.03 0.00 0.02 0.00 0.03 99.92 22:43:01 all 0.12 0.00 0.03 0.02 0.30 99.53 22:43:01 0 0.03 0.00 0.03 0.07 0.25 99.62 22:43:01 1 0.02 0.00 0.03 0.00 0.30 99.65 22:43:01 2 0.40 0.00 0.00 0.00 0.43 99.17 22:43:01 3 0.02 0.00 0.03 0.00 0.22 99.73 Average: all 1.94 0.00 0.65 0.32 2.28 94.81 Average: 0 1.74 0.00 0.70 0.58 2.59 94.39 Average: 1 1.81 0.00 0.61 0.39 2.29 94.90 Average: 2 2.04 0.00 0.68 0.15 2.29 94.83 Average: 3 2.15 0.00 0.61 0.17 1.93 95.13