---> uname -a: Linux cea1152c91a6 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 7.8G 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-176 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-176@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 651 88 0 1097 1082 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) 07/13/20 _x86_64_ (4 CPU) 13:49:28 LINUX RESTART 13:50:02 tps rtps wtps bread/s bwrtn/s 13:51:01 130.56 45.85 84.70 8430.86 27616.02 13:52:01 120.06 47.64 72.43 5601.47 12853.40 Average: 125.27 46.75 78.52 7004.77 20175.24 13:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:51:01 88164 1793392 95.31 2620 1188628 1262784 43.10 589340 1024448 28192 13:52:01 88052 1793504 95.32 2596 1160268 1144756 39.07 765572 821004 60 Average: 88108 1793448 95.32 2608 1174448 1203770 41.08 677456 922726 14126 13:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:51:01 vethb6c44ae 10.07 16.28 0.80 122.17 0.00 0.00 0.00 13:51:01 eth0 844.47 639.29 4241.20 109.12 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 10.07 16.18 0.67 122.16 0.00 0.00 0.00 13:52:01 eth0 981.15 619.50 373.89 2836.39 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 15.67 23.73 1.12 173.30 0.00 0.00 0.00 Average: eth0 895.09 617.75 2258.08 1482.55 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 19.98 0.89 147.94 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) 07/13/20 _x86_64_ (4 CPU) 13:49:28 LINUX RESTART 13:50:02 CPU %user %nice %system %iowait %steal %idle 13:51:01 all 18.95 0.00 6.15 2.29 5.34 67.27 13:51:01 0 14.80 0.00 5.98 2.70 5.40 71.12 13:51:01 1 21.50 0.00 7.96 2.51 5.68 62.35 13:51:01 2 17.84 0.00 4.75 0.93 5.35 71.13 13:51:01 3 21.62 0.00 5.91 3.05 4.94 64.49 13:52:01 all 19.24 0.00 5.42 1.80 0.94 72.61 13:52:01 0 18.80 0.00 7.13 1.75 0.76 71.56 13:52:01 1 28.31 0.00 6.18 1.42 0.90 63.20 13:52:01 2 13.93 0.00 4.66 2.62 1.07 77.72 13:52:01 3 15.90 0.00 3.70 1.39 1.03 77.98 Average: all 19.09 0.00 5.78 2.04 3.14 69.94 Average: 0 16.80 0.00 6.55 2.23 3.08 71.34 Average: 1 24.92 0.00 7.07 1.96 3.28 62.77 Average: 2 15.89 0.00 4.71 1.78 3.21 74.42 Average: 3 18.75 0.00 4.80 2.22 2.98 71.24