---> uname -a: Linux 8b941a0c655e 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% /w/workspace/edgexfoundry_edgex-docs_PR-163 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-163@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 655 89 0 1092 1078 Swap: 1023 2 1021 ---> 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) 07/07/20 _x86_64_ (4 CPU) 20:10:43 LINUX RESTART 20:11:01 tps rtps wtps bread/s bwrtn/s 20:12:03 224.49 78.57 145.91 10325.32 64126.25 20:13:01 254.51 139.98 114.53 11532.51 31651.45 Average: 239.25 108.76 130.49 10918.75 48162.34 20:11:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:12:03 183960 1697596 90.22 2620 1080920 1214476 41.45 544732 953556 47884 20:13:01 94704 1786852 94.97 1492 1127888 1300020 44.37 636944 943148 36 Average: 139332 1742224 92.59 2056 1104404 1257248 42.91 590838 948352 23960 20:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:12:03 veth6d2a36d 16.66 26.02 1.46 226.56 0.00 0.00 0.00 20:12:03 eth0 1137.57 768.09 4290.00 110.47 0.00 0.00 0.00 20:12:03 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 20:12:03 docker0 16.66 25.89 1.23 226.55 0.00 0.00 0.00 20:13:01 eth0 1153.43 719.15 2682.29 2937.43 0.00 0.00 0.00 20:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 docker0 8.99 12.57 0.59 72.41 0.00 0.00 0.00 Average: eth0 1135.51 735.88 3478.99 1499.40 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.89 19.34 0.92 150.78 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) 07/07/20 _x86_64_ (4 CPU) 20:10:43 LINUX RESTART 20:11:01 CPU %user %nice %system %iowait %steal %idle 20:12:03 all 20.89 0.00 10.20 11.02 0.02 57.86 20:12:03 0 24.49 0.00 12.75 12.36 0.03 50.37 20:12:03 1 17.01 0.00 9.51 10.72 0.02 62.75 20:12:03 2 19.75 0.00 9.28 10.68 0.02 60.28 20:12:03 3 22.35 0.00 9.26 10.36 0.02 58.02 20:13:01 all 19.06 0.00 7.12 3.42 0.02 70.38 20:13:01 0 33.29 0.00 10.84 3.51 0.02 52.35 20:13:01 1 13.62 0.00 6.44 3.76 0.02 76.16 20:13:01 2 14.32 0.00 5.19 3.43 0.02 77.05 20:13:01 3 15.01 0.00 5.99 2.97 0.02 76.01 Average: all 20.00 0.00 8.69 7.29 0.02 64.01 Average: 0 28.81 0.00 11.81 8.01 0.03 51.34 Average: 1 15.35 0.00 8.00 7.31 0.02 69.32 Average: 2 17.08 0.00 7.27 7.12 0.02 68.51 Average: 3 18.74 0.00 7.65 6.73 0.02 66.86