---> uname -a: Linux 0940c7cc097d 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: 2933.396 BogoMIPS: 5866.79 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-191@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-191 ---> free -m: total used free shared buff/cache available Mem: 1837 668 89 0 1079 1065 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) 07/29/20 _x86_64_ (4 CPU) 01:50:19 LINUX RESTART 01:51:02 tps rtps wtps bread/s bwrtn/s 01:52:01 129.62 36.23 93.38 7350.96 27074.72 01:53:01 255.64 135.44 120.21 10244.74 29694.97 Average: 193.15 86.25 106.91 8809.87 28395.73 01:51:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 83388 1798168 95.57 2620 1157040 1263188 43.11 603756 994296 100240 01:53:01 107052 1774504 94.31 1740 1101144 1258092 42.94 665576 904412 252 Average: 95220 1786336 94.94 2180 1129092 1260640 43.02 634666 949354 50246 01:51:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 vethd1128fe 17.92 32.76 1.51 227.19 0.00 0.00 0.00 01:52:01 eth0 1042.44 748.62 4395.90 118.58 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 docker0 17.92 32.63 1.26 227.18 0.00 0.00 0.00 01:53:01 eth0 891.89 551.31 2558.33 2226.76 0.00 0.00 0.00 01:53:01 vetheff956f 0.00 0.08 0.00 0.01 0.00 0.00 0.00 01:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 docker0 6.01 10.37 0.42 70.21 0.00 0.00 0.00 Average: eth0 813.77 572.04 3160.18 1161.73 0.00 0.00 0.00 Average: vetheff956f 0.00 0.04 0.00 0.00 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.92 21.41 0.84 148.05 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) 07/29/20 _x86_64_ (4 CPU) 01:50:19 LINUX RESTART 01:51:02 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 11.33 0.00 4.68 3.00 0.06 80.92 01:52:01 0 7.46 0.00 4.10 2.20 0.05 86.19 01:52:01 1 9.75 0.00 4.48 5.98 0.12 79.67 01:52:01 2 18.53 0.00 6.53 2.96 0.03 71.95 01:52:01 3 9.54 0.00 3.61 0.86 0.05 85.94 01:53:01 all 17.94 0.00 7.25 2.93 0.03 71.86 01:53:01 0 32.30 0.00 8.74 4.18 0.03 54.75 01:53:01 1 15.44 0.00 6.57 3.62 0.03 74.34 01:53:01 2 10.56 0.00 5.92 1.79 0.02 81.71 01:53:01 3 13.39 0.00 7.72 2.13 0.03 76.72 Average: all 14.66 0.00 5.97 2.96 0.05 76.35 Average: 0 20.06 0.00 6.45 3.21 0.04 70.24 Average: 1 12.61 0.00 5.53 4.79 0.08 76.99 Average: 2 14.52 0.00 6.22 2.37 0.03 76.86 Average: 3 11.47 0.00 5.68 1.50 0.04 81.30