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From Stephen Duncan Jr <>
Subject Re: Questions on FieldValueCache
Date Fri, 31 Jul 2009 21:54:39 GMT
On Fri, Jul 31, 2009 at 5:23 PM, Yonik Seeley <>wrote:

>  > Ok, so that was the curiosity question.  More critical:
> >
> > When we first ask for facets for multi-valued fields, it can take up to
> 25
> > seconds to get the response, although after that it's very fast (1.5
> seconds
> > or less even for a lot of different facets) since the FieldValueCache has
> > been populated.  Obviously, we'd like to get the FieldValueCache
> populated,
> > hopefully without an end-user being the one to wait 25 seconds.  I think
> > this is what the autowarming settings are about, but I'm not sure how to
> > warm the cache with the specific fields we expect facets to be requested
> > for.  Any pointers?
> Use static warming queries.  autowarming doesn't hit the fieldValueCache.
> -Yonik

So in solrconfig.xml update the queries in newSearcher and/or(?)
firstSearcher to include all the settings for a facet query with the desired
facets?  Does the cache get populated if the query string is *:* (I don't
want to risk a setup that doesn't hit any results and fails to populate the
cache..).  If the warming query might now take 25 seconds (maybe more for
more documents), I guess we might need to decrease the autocommit rate to
cut down on chance of overlapping warmers?

Stephen Duncan Jr

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