以下数据取自redis数据库中client list的结果，

id= addr=192.168.100.157: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.136: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=setex

id= addr=192.168.100.139: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.157: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=setex

id= addr=192.168.100.142: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.140: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.139: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.145: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=setex

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.137: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=setex

id= addr=192.168.100.157: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.156: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.145: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.157: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.146: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=ttl

id= addr=192.168.100.142: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.156: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.146: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.156: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.136: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=127.0.0.1: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=client

id= addr=192.168.100.141: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.156: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=setex

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.142: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.156: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.145: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.146: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.137: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=setex

id= addr=192.168.100.146: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.146: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.142: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.142: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.142: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.142: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.146: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.146: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.157: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.40: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.157: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.156: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.157: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.156: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.156: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.141: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.142: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.157: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=expireat

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.140: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.142: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.141: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=expireat

id= addr=192.168.100.142: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.141: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=del

id= addr=192.168.100.159: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

id= addr=192.168.100.145: fd= name= age= idle= flags=N db= sub= psub= multi=- qbuf= qbuf-free= obl= oll= omem= events=r cmd=get

获取按照ip进行统计，每个客户端ip的连接数。

[redis@lxd-vm1 ~]$ cat a | awk -F[\ \=\:] '{print $4}' | awk '{array[$0]++}END{for(i in array){print i,array[i]}}' | sort -nrk2 |column -t

192.168.100.159

192.168.100.142

192.168.100.157

192.168.100.156

192.168.100.146

192.168.100.145

192.168.100.141

192.168.100.140

192.168.100.139

192.168.100.137

192.168.100.136

192.168.100.40

127.0.0.1

（1）根据空格，等于号，分号，3个分隔符的第4列就是客户端ip，当然也可以多个awk分别获取。

（2）将获取到的每一行存在一个数组array中，下标是获取第一步获取的客户端ip，

（3）循环最后输出数组的元素和出现的次数，排序，格式化输出。

当然也可以使用sort和uniq的方式获取，这里主要是学习awk数组的使用。

[redis@lxd-vm1 ~]$ cat a | awk -F[\ \=\:] '{print $4}'|sort | uniq -c | sort -nrk1 |column -t

  192.168.100.159

  192.168.100.142

   192.168.100.157

   192.168.100.156

   192.168.100.146

   192.168.100.145

   192.168.100.141

   192.168.100.140

   192.168.100.139

   192.168.100.137

   192.168.100.136

   192.168.100.40

   127.0.0.1

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