---> uname -a: Linux 3799c43d319e 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 7.8G 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% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-192 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-192@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 656 95 0 1085 1077 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) 07/20/20 _x86_64_ (4 CPU) 02:26:22 LINUX RESTART 02:27:01 tps rtps wtps bread/s bwrtn/s 02:28:01 33.26 18.65 14.61 2712.55 3832.91 02:29:01 97.72 30.02 67.70 6174.72 22964.06 02:30:02 88.03 20.46 67.58 3123.55 10930.50 Average: 73.01 23.04 49.97 4003.50 12576.33 02:27:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:28:01 76240 1805316 95.95 2620 1268032 1077664 36.78 426776 1224044 9960 02:29:01 133072 1748484 92.93 2620 1126096 1528024 52.15 584352 991960 40 02:30:02 123212 1758344 93.45 2596 1116876 1252560 42.75 645600 905144 65788 Average: 110841 1770715 94.11 2612 1170335 1286083 43.89 552243 1040383 25263 02:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:28:01 eth0 366.89 276.56 1299.33 48.96 0.00 0.00 0.00 02:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:29:01 eth0 541.93 415.02 2750.64 47.02 0.00 0.00 0.00 02:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:29:01 vethab96dee 0.00 0.05 0.00 0.00 0.00 0.00 0.00 02:29:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 02:30:02 eth0 283.43 176.03 373.15 845.84 0.00 0.00 0.00 02:30:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:02 vethab96dee 20.77 36.68 1.87 295.47 0.00 0.00 0.00 02:30:02 docker0 20.77 36.58 1.58 295.46 0.00 0.00 0.00 Average: eth0 397.39 289.17 1474.09 314.12 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethab96dee 6.93 12.25 0.62 98.56 0.00 0.00 0.00 Average: docker0 6.93 12.21 0.53 98.55 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) 07/20/20 _x86_64_ (4 CPU) 02:26:22 LINUX RESTART 02:27:01 CPU %user %nice %system %iowait %steal %idle 02:28:01 all 9.93 0.00 2.82 0.79 5.69 80.78 02:28:01 0 8.67 0.00 3.36 0.55 6.93 80.48 02:28:01 1 14.42 0.00 2.59 0.69 4.10 78.20 02:28:01 2 8.02 0.00 2.93 1.18 5.78 82.09 02:28:01 3 8.69 0.00 2.38 0.73 5.89 82.32 02:29:01 all 4.69 0.00 2.39 2.03 4.25 86.63 02:29:01 0 5.22 0.00 1.88 0.63 4.30 87.97 02:29:01 1 4.66 0.00 2.67 1.95 4.45 86.28 02:29:01 2 3.45 0.00 1.98 4.55 4.08 85.93 02:29:01 3 5.42 0.00 3.05 0.96 4.14 86.43 02:30:02 all 14.44 0.00 3.79 1.21 8.40 72.16 02:30:02 0 15.18 0.00 3.89 0.76 8.77 71.41 02:30:02 1 6.89 0.00 2.39 0.99 8.68 81.05 02:30:02 2 28.94 0.00 6.48 2.54 6.53 55.51 02:30:02 3 7.87 0.00 2.57 0.64 9.51 79.42 Average: all 9.71 0.00 3.01 1.35 6.13 79.81 Average: 0 9.71 0.00 3.05 0.64 6.67 79.93 Average: 1 8.58 0.00 2.54 1.21 5.81 81.86 Average: 2 13.30 0.00 3.77 2.76 5.45 74.72 Average: 3 7.33 0.00 2.66 0.77 6.57 82.66