UNIX下编程同步与异步write的效率比较。包含apue.h、error2e.c、write.c-Programming under UNIX synchronization and compare the efficiency of asynchronous write. Contains apue.h, error2e.c, write.c
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001171s ]
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:0.116215s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001087s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001131s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001060s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003169s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001301s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004054s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019519s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001288s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 167304 [ RunTime:0.016360s ]
