---> uname -a: Linux 4218990a5c56 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: 2933.436 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% /w/workspace/edgexfoundry_edgex-docs_PR-196 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-196@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 629 96 0 1110 1104 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) 07/26/20 _x86_64_ (4 CPU) 17:13:34 LINUX RESTART 17:14:01 tps rtps wtps bread/s bwrtn/s 17:15:01 153.30 54.55 98.75 9590.81 28599.63 17:16:01 225.56 116.58 108.97 10118.15 30266.95 Average: 189.42 85.56 103.86 9854.42 29433.08 17:14:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:15:01 81676 1799880 95.66 2620 1175240 1254772 42.82 594544 1003828 95548 17:16:01 104200 1777356 94.46 2148 1152728 1283464 43.80 618948 953304 48 Average: 92938 1788618 95.06 2384 1163984 1269118 43.31 606746 978566 47798 17:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:15:01 veth97d654b 18.46 31.84 1.53 223.79 0.00 0.00 0.00 17:15:01 eth0 1066.82 650.62 4360.88 113.51 0.00 0.00 0.00 17:15:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 17:15:01 docker0 18.46 31.70 1.28 223.78 0.00 0.00 0.00 17:16:01 eth0 1003.93 639.68 2579.20 2645.64 0.00 0.00 0.00 17:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:16:01 docker0 5.59 9.32 0.40 70.15 0.00 0.00 0.00 Average: eth0 1024.04 638.90 3449.99 1378.69 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.03 20.52 0.84 146.99 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) 07/26/20 _x86_64_ (4 CPU) 17:13:34 LINUX RESTART 17:14:01 CPU %user %nice %system %iowait %steal %idle 17:15:01 all 19.85 0.00 6.70 4.18 0.08 69.18 17:15:01 0 20.37 0.00 7.25 3.47 0.05 68.85 17:15:01 1 20.48 0.00 6.30 5.86 0.10 67.25 17:15:01 2 19.23 0.00 7.56 3.26 0.10 69.85 17:15:01 3 19.32 0.00 5.70 4.12 0.07 70.79 17:16:01 all 18.16 0.00 6.80 3.34 0.08 71.62 17:16:01 0 9.84 0.00 5.78 1.32 0.09 82.98 17:16:01 1 17.65 0.00 5.53 0.91 0.08 75.83 17:16:01 2 34.50 0.00 8.85 3.30 0.08 53.26 17:16:01 3 10.56 0.00 7.00 7.83 0.08 74.53 Average: all 19.01 0.00 6.75 3.76 0.08 70.40 Average: 0 15.13 0.00 6.52 2.40 0.07 75.88 Average: 1 19.07 0.00 5.92 3.39 0.09 71.54 Average: 2 26.85 0.00 8.21 3.28 0.09 61.57 Average: 3 14.94 0.00 6.35 5.98 0.08 72.66