New user, sorry if this has already been discussed. I'm doing whole web indexing on a dual opteron with 250 gigs of space. My segment directory is about 7.5 gigs and my db directory is about 2.1 gigs. I'm running version 0.6.

My problem is that when I go to run bin/nutch/analyze db 2 it runs out of space. Is it normal that it'll eat up 200+ gigs for a 7.5 gigs worth of segments?

I assume i need to run analyze frequently...?

I also don't really understand what this does. The way I think things work is like this:

generate db segment -topN <x>
* Generates a fetchlist of unfetched or out of date URLs.

fetch <segment>
* Builds a content segment of the URLs in that fetchlist

updatedb db
* Tells the web db which url's have been fetched so they don't get added to a new fetchlist (unless they're outdated)


analyze db 2
* Performs DB analysis. Two passes. I think this is the actual ranking mechanism - is that right?


merge index segments/*
* Merges indexed segments into a master index.

Thanks,
Gus


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