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:0.001509s ]
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:0.114351s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001239s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002723s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001777s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005187s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001532s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005845s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016187s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001530s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 164150 [ RunTime:0.001646s ]
