Hello Balai，

以下文章会有所帮助。

http ：//community.aiim.org/blogs/michael-doyle/2010/12/17/is-your-search-database-bloated

Hi guys

I've got a very large SP2010 Search Crawl DB. Whats the best way to reduce the size?

Can I remove the old log with powershell? or i just need index reset.

How about if just shrink the DB in the SQL server? 

Any advise greatly appreciated. 

Hello Balai,

The following article would be helpful.

http://community.aiim.org/blogs/michael-doyle/2010/12/17/is-your-search-database-bloated