---> uname -a: Linux 75eac5fd3414 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: 2933.442 BogoMIPS: 5866.88 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-181@tmp /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-181 ---> free -m: total used free shared buff/cache available Mem: 1837 665 91 0 1081 1068 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) 07/16/20 _x86_64_ (4 CPU) 13:49:38 LINUX RESTART 13:50:02 tps rtps wtps bread/s bwrtn/s 13:51:01 178.59 68.86 109.73 10395.26 45726.69 13:52:01 233.85 122.80 111.05 8105.04 28274.02 Average: 206.45 96.06 110.40 9240.54 36927.14 13:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:51:01 87640 1793916 95.34 2620 1159220 1274940 43.51 621048 978700 85476 13:52:01 75192 1806364 96.00 1492 1113220 1552948 53.00 704232 913116 100352 Average: 81416 1800140 95.67 2056 1136220 1413944 48.26 662640 945908 92914 13:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:51:01 veth7dfa825 18.14 25.62 1.54 226.73 0.00 0.00 0.00 13:51:01 eth0 1213.45 799.70 4380.41 124.99 0.00 0.00 0.00 13:51:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:51:01 docker0 18.14 25.49 1.29 226.72 0.00 0.00 0.00 13:52:01 eth0 1085.32 684.57 2587.82 2839.39 0.00 0.00 0.00 13:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:01 docker0 6.41 9.77 0.45 70.31 0.00 0.00 0.00 Average: eth0 1135.24 733.79 3455.60 1492.83 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.23 17.56 0.87 147.86 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) 07/16/20 _x86_64_ (4 CPU) 13:49:38 LINUX RESTART 13:50:02 CPU %user %nice %system %iowait %steal %idle 13:51:01 all 20.15 0.00 6.41 6.66 0.09 66.69 13:51:01 0 19.08 0.00 6.63 9.13 0.09 65.07 13:51:01 1 27.57 0.00 7.22 6.04 0.09 59.08 13:51:01 2 17.97 0.00 6.81 6.13 0.09 69.00 13:51:01 3 15.98 0.00 4.99 5.33 0.07 73.63 13:52:01 all 18.16 0.00 5.48 3.38 0.03 72.96 13:52:01 0 22.56 0.00 5.83 5.18 0.03 66.39 13:52:01 1 18.17 0.00 4.61 1.53 0.02 75.67 13:52:01 2 18.01 0.00 7.11 4.07 0.02 70.80 13:52:01 3 13.87 0.00 4.37 2.75 0.05 78.96 Average: all 19.15 0.00 5.94 5.00 0.06 69.85 Average: 0 20.84 0.00 6.23 7.13 0.06 65.74 Average: 1 22.83 0.00 5.90 3.76 0.05 67.45 Average: 2 17.99 0.00 6.96 5.09 0.05 69.90 Average: 3 14.91 0.00 4.68 4.03 0.06 76.32