怎样设置自动清理内存

页面:/news/view-2916418/ | 耗时:0.3218 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2916418 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2916418 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2916418 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1962964,1606613,240618,1703110,1409729,282552,1374728,275708,490023,1704136,1075610,431128,1437574,2085462,294703,2020298,555035,920887,2100201,1123845,1775049,255603,242403,1610567,349451,1884112,1733351,1486230,1760017,351454) ORDER BY field (ArticleID,1962964,1606613,240618,1703110,1409729,282552,1374728,275708,490023,1704136,1075610,431128,1437574,2085462,294703,2020298,555035,920887,2100201,1123845,1775049,255603,242403,1610567,349451,1884112,1733351,1486230,1760017,351454)