That is one option. See recent thread (yesterday?) about possible problems with that approach, and an alternative or two.
I've no idea how Google do it. And I've no idea what you mean by problem with different subjects. -- Ian. On Wed, Jul 18, 2012 at 4:27 PM, 许超前 <chaora...@gmail.com> wrote: > Maybe everyone has his/her own index. > > 2012/7/18 齐保元 <qibaoy...@126.com> > >> HI buddy, >> In gmail,there are many accounts,how google manage to >> search individual email without the risk of search other accounts email?If >> there are *huge* account,small index may knock down the server,any good >> idea?and, if an email belongs to *different subject*,how to solve the >> search problem? --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org