为什么开数据网络很卡

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select * from tbl_Articles WHERE ArticleID=2655291 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2655291 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2655291 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(159756,2424881,1086097,2609934,298641,1603440,2879768,2191903,2795830,599378,1459063,186446,1956217,151037,3320237,2543071,2681201,1904935,1097415,307817,3180830,1065281,2718418,1630034,2241348,1089464,2922450,1117766,1130708,3049266) ORDER BY field (ArticleID,159756,2424881,1086097,2609934,298641,1603440,2879768,2191903,2795830,599378,1459063,186446,1956217,151037,3320237,2543071,2681201,1904935,1097415,307817,3180830,1065281,2718418,1630034,2241348,1089464,2922450,1117766,1130708,3049266)