---> uname -a: Linux 82ab51a40ee2 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 7.6G 42.4G 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 667 121 0 1048 1065 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) 08/28/20 _x86_64_ (4 CPU) 01:50:33 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:01 180.96 67.10 113.86 9388.72 56158.83 01:53:01 233.89 119.17 114.73 9214.24 27445.21 Average: 207.43 93.14 114.29 9301.47 41800.82 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 77996 1803560 95.85 2620 1191856 1247720 42.58 581412 1039744 23896 01:53:01 121700 1759856 93.53 2500 1071032 1264304 43.15 653300 894952 292 Average: 99848 1781708 94.69 2560 1131444 1256012 42.87 617356 967348 12094 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 966.37 628.04 4074.32 106.54 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 vethf9e7747 10.68 17.57 0.83 159.34 0.00 0.00 0.00 01:52:01 docker0 10.68 17.47 0.68 159.34 0.00 0.00 0.00 01:53:01 veth4d20890 0.22 0.27 0.37 0.10 0.00 0.00 0.00 01:53:01 eth0 1563.46 1001.88 6685.53 1416.43 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 12.10 16.82 1.30 133.86 0.00 0.00 0.00 Average: veth4d20890 0.11 0.13 0.18 0.05 0.00 0.00 0.00 Average: eth0 781.80 500.98 3343.04 708.27 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.39 17.15 0.99 146.60 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) 08/28/20 _x86_64_ (4 CPU) 01:50:33 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 15.99 0.00 8.12 8.78 0.13 66.98 01:52:01 0 13.22 0.00 7.94 9.68 0.14 69.03 01:52:01 1 15.82 0.00 8.57 9.18 0.12 66.31 01:52:01 2 15.31 0.00 7.82 7.95 0.14 68.79 01:52:01 3 19.59 0.00 8.16 8.31 0.14 63.81 01:53:01 all 17.44 0.00 6.11 2.81 0.16 73.48 01:53:01 0 19.40 0.00 7.24 3.07 0.17 70.11 01:53:01 1 15.47 0.00 6.44 4.27 0.14 73.68 01:53:01 2 22.52 0.00 5.76 2.37 0.15 69.20 01:53:01 3 12.44 0.00 5.00 1.52 0.19 80.85 Average: all 16.72 0.00 7.12 5.80 0.15 70.23 Average: 0 16.31 0.00 7.59 6.38 0.16 69.57 Average: 1 15.65 0.00 7.50 6.73 0.13 70.00 Average: 2 18.90 0.00 6.79 5.17 0.15 68.99 Average: 3 16.02 0.00 6.58 4.91 0.16 72.33