add hacked memcacheq

git-svn-id: http://svn1.bj.corp.yahoo.com/repos/WebEng/lifesearch/firefox-cluster/memcacheq@59336 82b2e94c-9313-0410-8ced-81db5252d7f6

AUTHORS

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+Steve Chu <stvchu@gmail.com>

ChangeLog

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+2008-11-25 Steve Chu <stvchu@gmail.com>
+* version 0.1.1 is released.
+
+2008-11-25 Steve Chu <stvchu@gmail.com>
+* Bugfix: 'stats queue' did not return right queue name
+* All replication code has been discarded and removed. Original replication
+code is buggy, also nobody want to use replication on a message queue system.
+* more graceful exit
+
+2008-09-19 Steve Chu <stvchu@gmail.com>
+* version 0.1.0 is released.
+
+2008-09-19 Steve Chu <stvchu@gmail.com>
+* All code is rewritten based on latest memcachedb, and multiple queue is supported.
+Please see 'README.html' for usage.
+
+2008-03-17 Steve Chu <stvchu@gmail.com>
+* add a '-A' option to set page size
+
+2008-03-15 Steve Chu <stvchu@gmail.com>
+* version 0.0.1 is released.
+

INSTALL

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+Dependencies
+============
+Before deploying MemcacheQ, make sure that following packages have been installed:
+
+Berkeley DB 4.7 or later
+-------------------------
+
+Download from <http://www.oracle.com/database/berkeley-db/db/index.html>
+
+How to install BerkekeyDB::
+
+  $tar xvzf db-4.7.25.tar.gz
+  $cd db-4.7.25/
+  $cd build_unix/
+  $../dist/configure
+  $make
+  $sudo make install
+
+
+libevent 1.4.x or later
+-----------------------
+
+Download from <http://monkey.org/~provos/libevent/>
+
+How to install libevent::
+
+  $tar xvzf libevent-1.4.x-stable.tar.gz
+  $cd libevent-1.4.x-stable
+  $./configure
+  $make
+  $sudo make install
+
+On a linux, load .so file by add two line in /etc/ld.so.conf::
+
+  /usr/local/lib
+  /usr/local/BerkeleyDB.4.7/lib
+
+Then, run 'ldconfig'.
+
+Building MemcacheQ
+==================
+
+On a \*nix, just following::
+
+ $tar xvzf memcacheq-0.1.x.tar.gz
+ $cd memcacheq-0.1.x
+ $./configure --enable-threads
+ $make
+ $sudo make install
+
+Start the daemon
+================
+
+For example::
+
+  memcacheq -d -r -H /data1/memcacheq -N -v -L 1024 -B 1024 > /data1/mq_error.log 2>&1
+
+Notice: Because MemcacheQ is using fixed-length storage, so you should use '-B' option to specify the max length of your message. Default is 1024 bytes. Any message that shorter than the length you specified will be padded with '0x20', the space character. A message includes following bytes::
+
+  <your queue name bytes> + <message metadata(9 ~ 20+ bytes)> + <your message body bytes>
+
+use "-h" option to see more configures.
+
+Have fun :)