多线程进行二分排序法，递归产生新线程，每一个父线程产生两个子线程，接着父线程对两个子数组进行合并-Multi-thread two hours sorting method, recursive generate a new thread, each thread is a parent produces two sub-threads, then the parent thread to merge the two sub-arrays
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.008140s ]
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:0.122449s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001013s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001224s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000996s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003173s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000848s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003598s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015270s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001068s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 164150 [ RunTime:0.021846s ]
