---> uname -a: Linux 01f246239e19 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 7.7G 42.3G 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 7.7G 42.3G 15% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hostname /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hosts /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-213 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-213@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 678 112 0 1046 1055 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) 08/13/20 _x86_64_ (4 CPU) 01:49:02 LINUX RESTART 01:50:01 tps rtps wtps bread/s bwrtn/s 01:51:02 94.78 30.32 64.46 6243.33 20029.83 01:52:01 228.64 123.81 104.83 8939.72 29715.79 Average: 161.23 76.73 84.50 7582.04 24838.73 01:50:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:02 79096 1802460 95.80 2620 1172656 1256272 42.87 570316 1047284 36928 01:52:01 80636 1800920 95.71 2260 1030416 2094984 71.50 693364 901436 20 Average: 79866 1801690 95.76 2440 1101536 1675628 57.19 631840 974360 18474 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:02 eth0 501.40 409.65 1289.68 73.31 0.00 0.00 0.00 01:51:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:02 veth972e107 16.82 29.93 1.38 210.81 0.00 0.00 0.00 01:51:02 docker0 16.82 29.82 1.15 210.80 0.00 0.00 0.00 01:52:01 vethc9ed998 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 eth0 2062.79 1351.08 6814.29 2388.97 0.00 0.00 0.00 01:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:01 vetha5b6d23 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethc9ed998 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1024.14 670.79 3383.17 1186.08 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: vetha5b6d23 0.00 0.00 0.00 0.00 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) 08/13/20 _x86_64_ (4 CPU) 01:49:02 LINUX RESTART 01:50:01 CPU %user %nice %system %iowait %steal %idle 01:51:02 all 6.72 0.00 2.95 2.25 0.04 88.04 01:51:02 0 10.80 0.00 3.67 1.67 0.03 83.82 01:51:02 1 5.88 0.00 3.15 3.00 0.03 87.93 01:51:02 2 6.20 0.00 3.22 2.90 0.03 87.64 01:51:02 3 4.08 0.00 1.76 1.39 0.07 92.70 01:52:01 all 19.73 0.00 7.08 2.39 0.14 70.66 01:52:01 0 22.46 0.00 9.21 1.89 0.10 66.34 01:52:01 1 17.87 0.00 6.68 2.16 0.15 73.13 01:52:01 2 17.26 0.00 7.21 2.84 0.19 72.50 01:52:01 3 21.38 0.00 5.21 2.67 0.09 70.66 Average: all 13.15 0.00 4.99 2.32 0.09 79.45 Average: 0 16.58 0.00 6.42 1.78 0.07 75.16 Average: 1 11.81 0.00 4.90 2.58 0.09 80.62 Average: 2 11.65 0.00 5.18 2.87 0.11 80.18 Average: 3 12.61 0.00 3.46 2.02 0.08 81.83