Row Cache For Innodb is designed for increase memory utilization when query is Key-Value-like.
## QPS Gragh Comparison ##
QPS when only use Buffer Pool(18G)
* QPS when use Row Cache(5G) and Buffer Pool(13G)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001232s ]
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:0.092819s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001193s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001997s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001243s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003575s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001053s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003173s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014672s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001341s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 199157 [ RunTime:0.001462s ]
