memkeys实时查看memcached的key使用情况

• memkeys是tumblr开源的类似top的工具,可用于实时查看memcached的key使用情况.
  memkeys安装

  安装autoconf(要求版本2.68以上):

  # wget -c 
  # tar zxvf autoconf-latest.tar.gz
  # cd autoconf-2.69
  # ./configure
  # make && make install
  

  安装其它依赖:

  # yum install libpcap-devel pcre-devel ncurses-devel
  

  安装memkeys:

  # git clone 
  # cd memkeys
  # ./autogen.sh
  # ./configure
  # make && make install
  

• memkeys使用

  # memkeys -h
  Usage: memkeys -i NIC [options]
      -d, --discard=THRESH        Discard keys where req/s rate is below THRESH
      -i, --interface=NIC         Network interface to capture traffic on (required)
      -p, --port=PORT             Network port to capture memcache traffic on (default 11211)
      -r, --refresh=INTERVAL      Refresh the stats display every INTERVAL ms (default 500)
      -l, --logfile=FILE          Output logs to FILE
      -R, --report=REPORT         Output data in REPORT format (CSV or curses, default curses)
  
      -h, --help                  This help
      -v, --verbose               Increase verbosity. May be used multiple times.
      -V, --version               Show program info and exit.
  

  例子1:

  # memkeys -i eth0 -l /tmp/memkeys.log
  

  例子2:

  # memkeys -i eth0 -d 10.0 -l /tmp/memkeys.log
  

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