缓存的地址映射中 比较多的采用“按内容寻址”的相联存储器来实现。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29992' and id < 2430588 and id<>'2430588' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29992' and id > 2430588 and id<>'2430588' order by id asc limit 5