小编Pau*_*aul的帖子

报告此错误的位置:TypeError:'Namespace'对象不可迭代

import argparse

def parse_args():
    parser = argparse.ArgumentParser(add_help=True)
    parser.add_argument('-a', '--aa', action="store_true", default=False)
    parser.add_argument('-b', action="store", dest="b")
    parser.add_argument('-c', action="store", dest="c", type=int)

    return parser.parse_args()

def main():
    (options, args) = parse_args()

if __name__ == '__main__':
    main()

从VM qemu日志中发现了很多警告，这个警告是否影响虚拟机性能或使用？, 是我的 libvirt.xml 文件有问题吗？或者支持热插拔会有这些警告

这是我的 libvirt xml 配置：

<domain type='kvm' id='315'>
  <name>instance-000005b2</name>
  <uuid>793fe065-36a6-4840-80cf-840ebed41d3e</uuid>
  <maxMemory slots='32' unit='KiB'>68719476736</maxMemory>
  <memory unit='KiB'>2097152</memory>
  <currentMemory unit='KiB'>2097152</currentMemory>
  <vcpu placement='auto'>8</vcpu>
  <vcpus>
    <vcpu id='0' enabled='yes' hotpluggable='no' order='1'/>
    <vcpu id='1' enabled='yes' hotpluggable='yes' order='2'/>
    <vcpu id='2' enabled='yes' hotpluggable='yes' order='3'/>
    <vcpu id='3' enabled='yes' hotpluggable='yes' order='4'/>
    <vcpu id='4' enabled='yes' hotpluggable='yes' order='5'/>
    <vcpu id='5' enabled='yes' hotpluggable='yes' order='6'/>
    <vcpu id='6' enabled='yes' hotpluggable='yes' order='7'/>
    <vcpu id='7' enabled='yes' hotpluggable='yes' order='8'/>
  </vcpus>
  <cputune>
    <shares>2048</shares>
    <vcpupin vcpu='0' cpuset='0-9,20-29'/>
    <vcpupin vcpu='1' cpuset='0-9,20-29'/>
    <emulatorpin cpuset='0-9,20-29'/>
  </cputune>
  <numatune>
    <memory mode='strict' nodeset='0'/> …