这是上完操作系统课时，做的实习设计，又实验的目的，分析，设计。采用的是用响应比作业调度算法。-this is the operating system on the classroom, doing internships designed and The purpose of this experiment, analysis, design. The response ratio is Job Scheduling algorithm.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001297s ]
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:0.086080s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001194s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001905s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001195s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003672s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000995s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003197s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014717s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001301s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 118816 [ RunTime:0.001398s ]
