一个操作系统的摸迷程序，实现进程的调度，有先进先出算法，时间片，优先权等-an operating system confused crowds procedures, the process of realization of scheduling, FIFO algorithm, time unit, priority, etc.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001342s ]
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:0.083828s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001002s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001125s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000917s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003147s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001936s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003691s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015717s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001606s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 301029 [ RunTime:0.014152s ]
