While defining url patterns, have the domain name in it so that you get site/domain specific rules. I don't know about configuring meta tags.
Thanks, Tejas On Tue, Nov 13, 2012 at 11:34 PM, Joe Zhang <[email protected]> wrote: > How to enforce site-specific crawling policies, i.e, different URL > patterns, meta tags, etc. for different websites to be crawled? I got the > sense that multiple instances of nutch are needed? Is it correct? If yes, > how? >

