故障指示器是什么原理

页面:/news/view-3122508/ | 耗时:0.0796 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=3122508 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3122508 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3122508 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(847838,930398,620742,2282149,3133143,564794,867265,3329098,2601226,1176893,1978595,1478998,1679848,377781,1141230,2616007,1216684,2145400,428235,1322965,1183823,2742443,911385,3259845,828107,1111679,541710,410744,950778,3075930) ORDER BY field (ArticleID,847838,930398,620742,2282149,3133143,564794,867265,3329098,2601226,1176893,1978595,1478998,1679848,377781,1141230,2616007,1216684,2145400,428235,1322965,1183823,2742443,911385,3259845,828107,1111679,541710,410744,950778,3075930)