CUP利用率和内存利用率会实时显示设备当前的系统状态。如果同时运行太多程序而变得很慢，可以用此来查看。-CUP utilization and memory utilization in real time the display device the current system state. If you run too many programs have become very slow, you can use this to view.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001595s ]
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:0.114417s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001504s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002582s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001665s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004561s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001578s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004154s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020303s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001635s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 317770 [ RunTime:0.001803s ]
