采用伙伴系统算法进行内存管理的原码，可以最大限度的避免内存碎片，同时提高内存分配效率 。-a partnership system memory management algorithm for the original code, the maximum memory to avoid the debris, while improving the efficiency of memory allocation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002091s ]
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:0.111054s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002111s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002122s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002629s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004162s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002396s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003421s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016001s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002877s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 255107 [ RunTime:0.001367s ]
