---> uname -a: Linux 465c752d388f 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa-host /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/edgex-go/2@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/edgex-go/2 ---> free -m: total used free shared buff/cache available Mem: 1837 705 229 0 901 1040 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 12: eth0@if13: 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) 09/10/20 _x86_64_ (4 CPU) 20:28:59 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:31:01 153.05 63.39 89.66 0.00 8984.40 45400.08 0.00 20:32:01 360.37 184.83 175.54 0.00 8028.35 46037.62 0.00 20:33:01 270.34 147.52 122.82 0.00 7382.16 25082.62 0.00 20:34:01 2.71 0.03 2.68 0.00 1.07 73.18 0.00 20:35:01 0.23 0.03 0.20 0.00 1.07 2.61 0.00 20:36:01 0.55 0.15 0.40 0.00 75.96 6.96 0.00 20:37:01 0.33 0.00 0.33 0.00 0.00 5.60 0.00 Average: 112.47 56.58 55.90 0.00 3484.81 16598.69 0.00 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:31:01 229724 0 644740 34.27 1908 1005184 1300752 44.39 578752 885220 74184 20:32:01 104964 0 710276 37.75 1492 1064824 1300304 44.38 761128 761884 58144 20:33:01 576008 0 657860 34.96 548 647140 1168372 39.87 501192 574032 20 20:34:01 593024 0 640864 34.06 548 647120 1066144 36.39 495808 569756 20 20:35:01 592928 0 640952 34.06 548 647128 1066264 36.39 502604 563608 16 20:36:01 590268 0 641360 34.09 548 649380 1066364 36.39 502772 565840 12 20:37:01 590604 0 641016 34.07 548 649388 1066340 36.39 502900 565856 16 Average: 468217 0 653867 34.75 877 758595 1147791 39.17 549308 640885 18916 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:31:01 eth0 2382.91 2288.86 8759.38 2946.54 0.00 0.00 0.00 0.00 20:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 docker0 1068.95 734.46 79.79 2698.68 0.00 0.00 0.00 0.00 20:32:01 eth0 268.55 202.98 1915.31 26.82 0.00 0.00 0.00 0.00 20:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 docker0 116.14 143.54 8.05 836.14 0.00 0.00 0.00 0.00 20:33:01 eth0 40.43 26.50 28.66 61.93 0.00 0.00 0.00 0.00 20:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 eth0 1.05 0.10 0.08 0.01 0.00 0.00 0.00 0.00 20:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 eth0 2.20 0.40 0.53 0.26 0.00 0.00 0.00 0.00 20:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 eth0 2.12 0.58 0.64 0.37 0.00 0.00 0.00 0.00 20:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 eth0 1.08 0.67 0.55 0.44 0.00 0.00 0.00 0.00 20:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 380.91 355.60 1512.88 427.99 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 167.24 124.04 12.39 500.02 0.00 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) 09/10/20 _x86_64_ (4 CPU) 20:28:59 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:31:01 all 20.83 0.00 6.90 1.31 0.14 70.83 20:31:01 0 16.56 0.00 8.25 0.57 0.14 74.48 20:31:01 1 18.51 0.00 7.33 0.73 0.12 73.31 20:31:01 2 24.36 0.00 5.74 0.95 0.14 68.81 20:31:01 3 23.76 0.00 6.30 2.97 0.16 66.81 20:32:01 all 9.05 0.00 5.55 5.69 0.09 79.61 20:32:01 0 8.70 0.00 5.74 4.97 0.07 80.52 20:32:01 1 9.34 0.00 5.28 6.43 0.10 78.86 20:32:01 2 8.56 0.00 5.80 4.97 0.08 80.59 20:32:01 3 9.62 0.00 5.39 6.41 0.10 78.48 20:33:01 all 40.64 0.00 8.89 6.73 0.04 43.70 20:33:01 0 43.82 0.00 8.31 5.27 0.05 42.55 20:33:01 1 38.55 0.00 9.13 6.76 0.03 45.52 20:33:01 2 39.71 0.00 8.81 7.57 0.05 43.87 20:33:01 3 40.46 0.00 9.33 7.33 0.02 42.86 20:34:01 all 0.17 0.00 0.06 0.00 0.00 99.78 20:34:01 0 0.03 0.00 0.05 0.00 0.00 99.92 20:34:01 1 0.53 0.00 0.03 0.00 0.00 99.43 20:34:01 2 0.03 0.00 0.08 0.00 0.00 99.88 20:34:01 3 0.07 0.00 0.07 0.00 0.00 99.87 20:35:01 all 0.15 0.00 0.02 0.00 0.00 99.83 20:35:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:35:01 1 0.52 0.00 0.00 0.00 0.00 99.48 20:35:01 2 0.03 0.00 0.05 0.00 0.00 99.92 20:35:01 3 0.03 0.00 0.02 0.00 0.00 99.95 20:36:01 all 0.16 0.00 0.02 0.00 0.00 99.82 20:36:01 0 0.02 0.00 0.02 0.00 0.00 99.97 20:36:01 1 0.52 0.00 0.02 0.00 0.00 99.47 20:36:01 2 0.08 0.00 0.03 0.00 0.00 99.88 20:36:01 3 0.02 0.00 0.03 0.00 0.00 99.95 20:37:01 all 0.15 0.00 0.03 0.00 0.00 99.81 20:37:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:37:01 1 0.52 0.00 0.02 0.00 0.00 99.47 20:37:01 2 0.03 0.00 0.03 0.00 0.00 99.93 20:37:01 3 0.03 0.00 0.05 0.00 0.02 99.90 Average: all 10.04 0.00 3.03 1.95 0.04 84.95 Average: 0 9.78 0.00 3.14 1.54 0.04 85.50 Average: 1 9.67 0.00 3.07 1.98 0.04 85.24 Average: 2 10.26 0.00 2.90 1.91 0.04 84.89 Average: 3 10.44 0.00 2.99 2.37 0.04 84.16