---> uname -a: Linux 2350987fcea0 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: 2933.436 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% /w/workspace/edgexfoundry_device-sdk-c_PR-285@tmp /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_PR-285 ---> free -m: total used free shared buff/cache available Mem: 1837 651 125 0 1061 1080 Swap: 1023 0 1023 ---> 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) 07/23/20 _x86_64_ (4 CPU) 16:29:40 LINUX RESTART 16:30:02 tps rtps wtps bread/s bwrtn/s 16:31:01 119.78 42.68 77.10 7704.18 31102.12 16:32:01 1.97 0.00 1.97 0.00 40.84 16:33:01 0.37 0.00 0.37 0.00 5.28 16:34:01 0.23 0.00 0.23 0.00 2.96 16:35:01 0.25 0.00 0.25 0.00 3.22 Average: 24.22 8.43 15.79 1521.22 6151.72 16:30:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:31:01 173548 1708008 90.78 2620 1131124 1114936 38.05 443420 1104512 116 16:32:01 181336 1700220 90.36 2620 1131312 1071216 36.56 440168 1100732 20 16:33:01 180704 1700852 90.40 2620 1131320 1071408 36.57 441252 1100720 20 16:34:01 180096 1701460 90.43 2620 1131320 1071444 36.57 441632 1100720 8 16:35:01 180664 1700892 90.40 2620 1131324 1071216 36.56 449204 1092944 8 Average: 179270 1702286 90.47 2620 1131280 1080044 36.86 443135 1099926 34 16:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:31:01 eth0 413.67 232.15 1095.08 104.77 0.00 0.00 0.00 16:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:31:01 docker0 9.24 7.62 1.02 20.33 0.00 0.00 0.00 16:32:01 eth0 0.77 0.10 0.06 0.02 0.00 0.00 0.00 16:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:33:01 eth0 0.82 0.45 0.30 0.21 0.00 0.00 0.00 16:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 eth0 0.60 0.38 0.29 0.20 0.00 0.00 0.00 16:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:35:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 16:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 82.14 46.04 216.36 20.78 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.82 1.50 0.20 4.01 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) 07/23/20 _x86_64_ (4 CPU) 16:29:40 LINUX RESTART 16:30:02 CPU %user %nice %system %iowait %steal %idle 16:31:01 all 14.48 0.00 6.08 7.66 0.06 71.72 16:31:01 0 16.05 0.00 6.77 4.69 0.03 72.46 16:31:01 1 13.69 0.00 6.30 12.68 0.09 67.25 16:31:01 2 14.55 0.00 5.48 7.08 0.09 72.81 16:31:01 3 13.60 0.00 5.74 6.21 0.07 74.38 16:32:01 all 0.17 0.00 0.04 0.00 0.00 99.79 16:32:01 0 0.05 0.00 0.02 0.00 0.00 99.93 16:32:01 1 0.08 0.00 0.07 0.00 0.00 99.85 16:32:01 2 0.52 0.00 0.03 0.00 0.00 99.45 16:32:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:33:01 all 0.17 0.00 0.03 0.00 0.00 99.80 16:33:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:33:01 1 0.07 0.00 0.07 0.00 0.00 99.87 16:33:01 2 0.53 0.00 0.02 0.00 0.00 99.45 16:33:01 3 0.03 0.00 0.03 0.00 0.02 99.92 16:34:01 all 0.15 0.00 0.03 0.00 0.00 99.82 16:34:01 0 0.05 0.00 0.02 0.00 0.02 99.92 16:34:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:34:01 2 0.50 0.00 0.02 0.00 0.00 99.48 16:34:01 3 0.02 0.00 0.02 0.00 0.00 99.97 16:35:01 all 0.14 0.00 0.04 0.00 0.00 99.81 16:35:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:35:01 1 0.05 0.00 0.03 0.00 0.02 99.90 16:35:01 2 0.47 0.00 0.08 0.00 0.00 99.45 16:35:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 2.96 0.00 1.22 1.50 0.02 94.31 Average: 0 3.17 0.00 1.34 0.92 0.01 94.56 Average: 1 2.73 0.00 1.27 2.48 0.02 93.49 Average: 2 3.25 0.00 1.10 1.38 0.02 94.24 Average: 3 2.68 0.00 1.14 1.21 0.02 94.95