使用 memkeys 查看 memcached key/value

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

1.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

2.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：

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

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