---> uname -a: Linux b2678c30ab00 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-165@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-165 ---> free -m: total used free shared buff/cache available Mem: 1837 656 82 0 1098 1077 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) 06/18/20 _x86_64_ (4 CPU) 13:48:36 LINUX RESTART 13:49:01 tps rtps wtps bread/s bwrtn/s 13:50:03 188.95 66.26 122.69 9803.46 37533.11 13:51:01 257.61 136.85 120.76 13037.93 30787.16 Average: 222.70 100.96 121.74 11393.60 34216.64 13:49:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:03 112216 1769340 94.04 2620 1120452 1257364 42.91 560068 989492 42160 13:51:01 141532 1740024 92.48 1492 1108452 1232720 42.07 615308 924752 72 Average: 126874 1754682 93.26 2056 1114452 1245042 42.49 587688 957122 21116 13:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:50:03 vethcb4e383 28.76 46.67 2.25 275.17 0.00 0.00 0.00 13:50:03 eth0 1065.45 683.32 4309.08 112.28 0.00 0.00 0.00 13:50:03 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:50:03 docker0 28.76 46.54 1.85 275.16 0.00 0.00 0.00 13:51:01 veth0cdabe6 0.00 0.05 0.00 0.00 0.00 0.00 0.00 13:51:01 eth0 1110.57 699.55 2626.37 2915.54 0.00 0.00 0.00 13:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:01 docker0 2.79 3.82 0.19 19.52 0.00 0.00 0.00 Average: veth0cdabe6 0.00 0.03 0.00 0.00 0.00 0.00 0.00 Average: eth0 1087.63 691.30 3481.82 1490.42 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.99 25.54 1.04 149.48 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) 06/18/20 _x86_64_ (4 CPU) 13:48:36 LINUX RESTART 13:49:01 CPU %user %nice %system %iowait %steal %idle 13:50:03 all 20.30 0.00 7.80 5.53 0.02 66.35 13:50:03 0 17.55 0.00 9.40 3.69 0.02 69.35 13:50:03 1 18.54 0.00 6.30 5.78 0.02 69.35 13:50:03 2 24.70 0.00 9.21 7.08 0.00 59.01 13:50:03 3 20.38 0.00 6.29 5.55 0.03 67.74 13:51:01 all 18.51 0.00 6.93 3.54 0.07 70.95 13:51:01 0 21.17 0.00 7.86 1.55 0.05 69.37 13:51:01 1 29.16 0.00 7.58 7.31 0.05 55.90 13:51:01 2 10.66 0.00 6.32 1.90 0.07 81.04 13:51:01 3 12.99 0.00 5.96 3.39 0.11 77.56 Average: all 19.42 0.00 7.37 4.56 0.04 68.60 Average: 0 19.32 0.00 8.65 2.64 0.03 69.36 Average: 1 23.75 0.00 6.93 6.53 0.03 62.75 Average: 2 17.84 0.00 7.80 4.55 0.03 69.77 Average: 3 16.76 0.00 6.13 4.49 0.07 72.55