---> uname -a: Linux 2586a6b1d51f 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 7.6G 42.4G 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-217 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-217@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 677 105 0 1054 1056 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) 08/25/20 _x86_64_ (4 CPU) 01:49:09 LINUX RESTART 01:50:02 tps rtps wtps bread/s bwrtn/s 01:51:01 109.97 28.85 81.11 6459.71 24539.45 01:52:01 211.82 115.50 96.32 8286.42 27203.65 Average: 161.32 72.54 88.78 7380.65 25882.61 01:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 86908 1794648 95.38 2620 1193008 1262852 43.10 573364 1026276 71160 01:52:01 98188 1783368 94.78 2472 1103024 1326496 45.27 598052 969320 20 Average: 92548 1789008 95.08 2546 1148016 1294674 44.18 585708 997798 35590 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 eth0 523.90 403.05 3570.33 51.32 0.00 0.00 0.00 01:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:01 veth253a58c 15.47 25.96 1.34 226.74 0.00 0.00 0.00 01:51:01 docker0 15.47 25.83 1.13 226.73 0.00 0.00 0.00 01:52:01 eth0 638.65 404.21 2510.59 1539.03 0.00 0.00 0.00 01:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 docker0 6.37 9.54 0.44 70.24 0.00 0.00 0.00 Average: eth0 581.75 403.63 3036.06 801.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.88 17.61 0.78 147.83 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) 08/25/20 _x86_64_ (4 CPU) 01:49:09 LINUX RESTART 01:50:02 CPU %user %nice %system %iowait %steal %idle 01:51:01 all 9.74 0.00 3.91 3.29 0.03 83.04 01:51:01 0 14.62 0.00 4.93 1.32 0.03 79.10 01:51:01 1 4.30 0.00 2.66 3.22 0.02 89.80 01:51:01 2 12.21 0.00 4.89 7.68 0.02 75.20 01:51:01 3 7.83 0.00 3.20 0.89 0.05 88.03 01:52:01 all 15.38 0.00 5.65 2.59 0.03 76.36 01:52:01 0 19.43 0.00 6.98 0.75 0.03 72.81 01:52:01 1 9.31 0.00 4.89 3.21 0.03 82.55 01:52:01 2 9.67 0.00 5.17 1.95 0.02 83.19 01:52:01 3 23.12 0.00 5.55 4.45 0.03 66.85 Average: all 12.58 0.00 4.78 2.94 0.03 79.68 Average: 0 17.04 0.00 5.96 1.03 0.03 75.94 Average: 1 6.82 0.00 3.78 3.21 0.03 86.16 Average: 2 10.93 0.00 5.03 4.80 0.02 79.22 Average: 3 15.53 0.00 4.38 2.68 0.04 77.37