单道批处理系统的作业调度程序(短作业优先，最高响应比，先来先服务三种算法）-Shan Road Batch Job Scheduling System (short operating priority, the highest response ratio, first-come first three service algorithm)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.019783s ]
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:0.117214s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001556s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001978s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001609s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005480s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001339s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007185s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026448s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001665s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 192972 [ RunTime:0.018801s ]
