简单的进程调度程序，包含先进先出和优先级调度程序，自己可以加入一些初始化设定，可以更好的模拟系统运行-simple process scheduling procedures, including FIFO and priority scheduling procedures, they can join some initialization set, we can better run a simulation
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000978s ]
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:0.086765s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001160s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001035s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003050s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000885s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001084s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 119079 [ RunTime:0.173202s ]
