memkeys实时查看memcached key使用情况

memkeys

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 http://ftp.gnu.org/gnu/autoconf/autoconf-latest.tar.gz

  # 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 https://github.com/tumblr/memkeys.git

  # 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:

  view source

  print ?

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