进程调度模拟程序-优先权只是调度算法考虑的一个方面进程调度依据调度程序运行时，要在所有可运行状态 的进程中选择最值得运行的进程投入运行。-Process schedule simulation program-Priority is only one aspect of schedule algorithm,the goal is selecting the most valuable process to run among all of the ready process.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001453s ]
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:0.086714s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000938s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001159s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000867s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003120s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000818s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014939s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001054s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 103535 [ RunTime:0.014024s ]
