Thanks, Avlesh!  I'll try the filter cache.
Anybody familiar enough with the caching implementation to chime in?

Michael

On Mon, Aug 31, 2009 at 10:02 PM, Avlesh Singh <avl...@gmail.com> wrote:

> Good question!
> The application level cache, say filter cache, would still help because it
> not only caches values but also the underlying computation. Even with all
> the data in your RAM you will still end up doing the computations every
> time.
>
> Looking for responses from the more knowledgeable.
>
> Cheers
> Avlesh
>
> On Mon, Aug 31, 2009 at 8:25 PM, Michael <solrco...@gmail.com> wrote:
>
> > Hi,
> > If I've got my entire 20G 4MM document index in RAM (on a ramdisk), do I
> > have a need for the document cache?  Or should I set it to 0 items,
> because
> > pulling field values from an index in RAM is so fast that the document
> > cache
> > would be a duplication of effort?
> >
> > Are there any other caches that I should turn off if I can get my entire
> > index in RAM?  Filter cache, query results cache, etc?
> >
> > Thanks!
> > Michael
> >
>

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