---> uname -a: Linux 079a518e54c6 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 7.6G 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-192 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-192@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 683 95 0 1058 1050 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) 09/01/20 _x86_64_ (4 CPU) 01:52:36 LINUX RESTART 01:54:01 tps rtps wtps bread/s bwrtn/s 01:55:01 103.36 29.66 73.70 6169.79 19283.30 01:56:02 214.52 108.13 106.39 7901.61 24026.89 Average: 159.00 68.94 90.06 7036.64 21657.66 01:54:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:55:01 93788 1787768 95.02 2620 1113284 1335776 45.59 589212 1001848 67816 01:56:02 139324 1742232 92.60 2596 1094556 1182908 40.37 568840 967120 83816 Average: 116556 1765000 93.81 2608 1103920 1259342 42.98 579026 984484 75816 01:54:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:55:01 vethcc8cef3 14.85 29.36 1.40 292.73 0.00 0.00 0.00 01:55:01 eth0 649.25 499.37 4226.95 118.28 0.00 0.00 0.00 01:55:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:55:01 docker0 14.85 29.22 1.20 292.72 0.00 0.00 0.00 01:56:02 eth0 475.98 289.71 2420.01 1492.51 0.00 0.00 0.00 01:56:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:02 docker0 0.10 0.07 0.00 0.01 0.00 0.00 0.00 Average: eth0 391.32 259.08 2251.37 781.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.47 14.63 0.60 146.20 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) 09/01/20 _x86_64_ (4 CPU) 01:52:36 LINUX RESTART 01:54:01 CPU %user %nice %system %iowait %steal %idle 01:55:01 all 10.26 0.00 3.66 1.70 10.67 73.72 01:55:01 0 4.87 0.00 2.95 0.34 11.65 80.19 01:55:01 1 8.26 0.00 3.89 1.99 11.20 74.66 01:55:01 2 13.40 0.00 3.50 1.99 9.98 71.14 01:55:01 3 14.80 0.00 4.28 2.55 9.80 68.57 01:56:02 all 13.04 0.00 4.29 1.43 16.42 64.82 01:56:02 0 12.53 0.00 4.43 1.24 18.55 63.26 01:56:02 1 15.79 0.00 4.91 2.10 17.67 59.53 01:56:02 2 11.09 0.00 3.67 1.09 14.74 69.40 01:56:02 3 12.77 0.00 4.14 1.28 14.66 67.15 Average: all 11.66 0.00 3.98 1.56 13.57 69.23 Average: 0 8.71 0.00 3.69 0.79 15.11 71.71 Average: 1 12.03 0.00 4.41 2.05 14.44 67.07 Average: 2 12.22 0.00 3.59 1.53 12.41 70.25 Average: 3 13.77 0.00 4.21 1.91 12.26 67.85