主要讨论了操作系统中的任务的管理和调度的问题，正对不同的系统做了不同讨论。-Focused on the task of operating system management and scheduling problem is a different system to do a different discussion.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002207s ]
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:0.092859s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002303s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002136s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.004894s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003758s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001877s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003415s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015202s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002455s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 194069 [ RunTime:0.001243s ]
