---> uname -a: Linux 9c66fa8fe7b7 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 8.2G 41.8G 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/3 /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/3@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 698 119 0 1019 1047 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 10: eth0@if11: 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) 09/11/20 _x86_64_ (4 CPU) 15:06:24 LINUX RESTART (4 CPU) 15:07:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:08:01 113.21 37.01 76.20 0.00 3338.07 43167.74 0.00 15:09:01 31.77 10.27 21.50 0.00 4630.02 5889.51 0.00 15:10:02 121.54 66.26 55.28 0.00 4734.32 31474.31 0.00 15:11:01 234.88 58.78 176.11 0.00 2946.09 39801.03 0.00 15:12:01 4.81 0.03 4.78 0.00 0.67 210.79 0.00 15:13:01 0.50 0.03 0.47 0.00 1.07 7.72 0.00 15:14:01 43.33 43.07 0.27 0.00 4143.17 4.53 0.00 Average: 78.24 30.72 47.52 0.00 2828.19 17180.68 0.00 15:07:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:08:01 71368 0 544540 28.94 2620 1263028 1084492 37.01 531172 1118036 10936 15:09:01 74760 0 651760 34.64 2620 1152416 1345440 45.92 583328 1059124 42616 15:10:02 160744 0 692456 36.80 2552 1025804 1548620 52.85 628212 898508 87000 15:11:01 360820 0 646352 34.35 1492 872892 1090532 37.22 525544 764252 24 15:12:01 370152 0 637040 33.86 1492 872872 1078020 36.79 529156 760460 8 15:13:01 371472 0 635708 33.79 1492 872884 1066692 36.40 539552 748864 12 15:14:01 224352 0 658676 35.01 1492 997036 1091324 37.24 563268 871460 8 Average: 233381 0 638076 33.91 1966 1008133 1186446 40.49 557176 888672 20086 15:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:08:01 eth0 661.13 409.40 3299.73 74.56 0.00 0.00 0.00 0.00 15:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 eth0 567.20 692.75 2944.61 97.43 0.00 0.00 0.00 0.00 15:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 veth3a1cca4 646.35 501.81 66.45 2614.76 0.00 0.00 0.00 0.00 15:09:01 docker0 646.35 501.68 57.61 2614.75 0.00 0.00 0.00 0.00 15:10:02 eth0 903.46 592.49 2995.37 2735.96 0.00 0.00 0.00 0.00 15:10:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:02 docker0 3.19 2.89 0.29 14.67 0.00 0.00 0.00 0.00 15:11:01 eth0 374.04 292.14 2058.63 33.34 0.00 0.00 0.00 0.00 15:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 docker0 144.34 176.07 10.21 854.70 0.00 0.00 0.00 0.00 15:12:01 eth0 0.63 0.38 0.39 0.20 0.00 0.00 0.00 0.00 15:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 eth0 0.32 0.27 0.14 0.08 0.00 0.00 0.00 0.00 15:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 eth0 4.93 3.78 4.91 2.03 0.00 0.00 0.00 0.00 15:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 359.03 284.62 1614.87 421.74 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 113.38 97.08 9.73 497.05 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) 09/11/20 _x86_64_ (4 CPU) 15:06:24 LINUX RESTART (4 CPU) 15:07:01 CPU %user %nice %system %iowait %steal %idle 15:08:01 all 12.80 0.00 6.19 3.33 13.45 64.22 15:08:01 0 12.35 0.00 6.22 2.85 14.39 64.19 15:08:01 1 11.78 0.00 7.36 1.75 13.77 65.34 15:08:01 2 13.45 0.00 5.37 3.05 13.79 64.33 15:08:01 3 13.63 0.00 5.80 5.71 11.84 63.02 15:09:01 all 3.33 0.00 2.01 0.53 13.49 80.64 15:09:01 0 3.56 0.00 2.39 0.35 15.58 78.13 15:09:01 1 3.56 0.00 2.32 1.19 14.13 78.81 15:09:01 2 3.23 0.00 1.59 0.29 11.84 83.05 15:09:01 3 2.97 0.00 1.74 0.29 12.47 82.53 15:10:02 all 11.89 0.00 3.65 0.60 15.72 68.15 15:10:02 0 14.37 0.00 3.99 0.41 16.78 64.45 15:10:02 1 11.01 0.00 3.74 0.52 16.65 68.08 15:10:02 2 11.96 0.00 2.94 0.49 14.63 69.99 15:10:02 3 10.33 0.00 3.93 0.97 14.86 69.92 15:11:01 all 5.85 0.00 4.64 4.49 9.69 75.33 15:11:01 0 5.05 0.00 5.19 3.53 10.93 75.30 15:11:01 1 6.36 0.00 5.09 4.43 9.67 74.44 15:11:01 2 5.64 0.00 3.98 4.21 9.04 77.13 15:11:01 3 6.34 0.00 4.29 5.80 9.11 74.46 15:12:01 all 0.08 0.00 0.07 0.00 0.18 99.67 15:12:01 0 0.00 0.00 0.07 0.00 0.12 99.82 15:12:01 1 0.05 0.00 0.10 0.00 0.32 99.53 15:12:01 2 0.02 0.00 0.05 0.00 0.10 99.83 15:12:01 3 0.27 0.00 0.05 0.00 0.20 99.48 15:13:01 all 0.10 0.00 0.04 0.00 0.41 99.44 15:13:01 0 0.05 0.00 0.03 0.00 0.45 99.47 15:13:01 1 0.03 0.00 0.08 0.00 0.40 99.48 15:13:01 2 0.03 0.00 0.02 0.00 0.25 99.70 15:13:01 3 0.30 0.00 0.03 0.00 0.55 99.12 15:14:01 all 0.62 0.00 0.23 0.96 0.45 97.75 15:14:01 0 0.30 0.00 0.10 0.07 0.65 98.89 15:14:01 1 0.87 0.00 0.38 2.71 0.55 95.48 15:14:01 2 1.12 0.00 0.33 0.99 0.33 97.23 15:14:01 3 0.18 0.00 0.08 0.10 0.25 99.38 Average: all 4.88 0.00 2.37 1.39 7.59 83.77 Average: 0 4.98 0.00 2.52 1.01 8.30 83.19 Average: 1 4.77 0.00 2.69 1.50 7.92 83.12 Average: 2 5.01 0.00 2.02 1.26 7.11 84.59 Average: 3 4.78 0.00 2.24 1.79 7.01 84.18