HaDog is a mini Hadoop emulator.
HaDog let you enjoy mapreduce in 2 minutes.
HaDog is Pure JAVA Project.
HaDog can run on any JDK and any OS, if you have installed JDK.
HaDog runs without Hadoop JARs.
HaDog is a toy project, so be not too serious with it.
Now, it depends on Hadoop 0.18.0 and only support few features.
Checkout it and play...
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SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.094032s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001019s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001016s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003516s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001076s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001184s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 96625 [ RunTime:0.019479s ]
