• libevent-1.4.11-stable.tar.gz http://monkey.org/~provos/libevent/
• db-4.7.25.tar.gz http://www.oracle.com/technology/software/products/berkeley-db/index.html
• memcachedb-1.2.0.tar.gz http://code.google.com/p/memcachedb/downloads/list

tar zxvf libevent-1.4.11-stable.tar.gz 
cd libevent-1.4.11-stable
 ./configure 
make
make install

tar zxvf db-4.7.25.tar.gz 
cd db-4.7.25
cd build_unix/
 ../dist/configure 
make
make install

echo "/usr/local/BerkeleyDB.4.7/lib/" >> /etc/ld.so.conf
ldconfig

cd memcachedb-1.2.0
./configure --with-libevent=/usr/local --with-bdb=/usr/local/BerkeleyDB.4.7/ --enable-threads
make
make install

主：(读写)

memcachedb -p 21211 -d -r -u root -H /data/memcachedb -N -P /data/memcachedb/21211.pid -R 127.0.0.1:31211 -M

从：(只读)

memcachedb -p 21212 -d -r -u root -H /data/memcachedb_slave -N -P /data/memcachedb/21212.pid -R 192.168.0.2:31212 -O 192.168.0.1:31211 -S

示例：

memcachedb -p 21211 -d -r -u root -H /data/memcachedb -N -P /data/memcachedb/21211.pid -R 125.65.45.221:31211 -M
memcachedb -p 21212 -d -r -u root -H /data/memcachedb -N -P /data/memcachedb/21212.pid -O 125.65.45.221:31211 -R 125.65.45.180:31212 -S

启动报错：

memcachedb: error while loading shared libraries: libevent-1.4.so.2: cannot open shared object file: No such file or directory

处理方法：

ln -s /usr/local/lib/libevent-1.4.so.2  /usr/lib64/libevent-1.4.so.2 

• http://blog.csdn.net/simonlsy/archive/2008/01/07/2027940.aspx
• http://www.devnotes.net/post/182.html
• http://memcachedb.org/