---> uname -a: Linux 5e02a7200115 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 7.7G 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-204 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-204@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 602 116 0 1119 1132 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) 08/23/20 _x86_64_ (4 CPU) 01:49:52 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:02 15.80 3.23 12.57 497.88 5005.04 01:53:01 96.37 30.06 66.31 6324.43 19548.80 01:54:01 64.93 14.60 50.33 1045.16 8842.00 Average: 58.68 15.84 42.84 2595.32 11065.64 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:02 67212 1814344 96.43 2620 1296796 1022680 34.90 470052 1189108 40820 01:53:01 82484 1799072 95.62 2620 1181936 1239276 42.29 601124 1006788 53508 01:54:01 213144 1668412 88.67 2620 1110944 1090624 37.22 612104 855056 68 Average: 120947 1760609 93.57 2620 1196559 1117527 38.14 561093 1016984 31465 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:02 eth0 337.04 275.86 2038.25 34.75 0.00 0.00 0.00 01:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 eth0 252.82 169.13 1577.85 55.40 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 vetha156b31 17.25 26.61 1.64 226.71 0.00 0.00 0.00 01:53:01 docker0 17.25 26.48 1.41 226.70 0.00 0.00 0.00 01:54:01 eth0 458.96 304.46 206.01 2158.43 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 docker0 4.64 11.89 0.36 70.30 0.00 0.00 0.00 Average: eth0 350.08 250.34 1275.09 750.73 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.22 12.67 0.58 97.97 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) 08/23/20 _x86_64_ (4 CPU) 01:49:52 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:02 all 3.53 0.00 1.85 0.18 27.32 67.13 01:52:02 0 2.97 0.00 1.62 0.31 35.62 59.48 01:52:02 1 3.05 0.00 1.79 0.12 24.95 70.10 01:52:02 2 4.70 0.00 2.28 0.20 28.23 64.58 01:52:02 3 3.50 0.00 1.74 0.08 19.88 74.81 01:53:01 all 7.85 0.00 3.29 1.36 18.10 69.39 01:53:01 0 9.03 0.00 2.55 0.93 19.70 67.78 01:53:01 1 5.47 0.00 3.26 1.70 16.74 72.84 01:53:01 2 5.90 0.00 3.76 2.10 18.62 69.62 01:53:01 3 11.07 0.00 3.61 0.68 17.32 67.32 01:54:01 all 13.02 0.00 2.43 0.85 16.32 67.38 01:54:01 0 16.78 0.00 3.53 1.15 21.18 57.35 01:54:01 1 14.61 0.00 2.38 0.54 15.60 66.87 01:54:01 2 10.73 0.00 1.86 1.38 14.78 71.25 01:54:01 3 9.89 0.00 1.99 0.35 13.72 74.06 Average: all 8.05 0.00 2.51 0.78 20.71 67.94 Average: 0 9.36 0.00 2.53 0.78 25.86 61.47 Average: 1 7.63 0.00 2.45 0.76 19.26 69.90 Average: 2 7.10 0.00 2.63 1.22 20.58 68.46 Average: 3 8.10 0.00 2.43 0.36 16.98 72.13