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From Michael McCandless <>
Subject Re: IndexWriter cache swetspots
Date Thu, 15 May 2008 07:46:43 GMT

Mark Miller wrote:
> Its been months since i've tested this sort of thing, but from what I
> remember there is a point where as you go higher, performance  
> starts to
> very slowly drop. The point was lower than I'd expect, and def created
> what looked like sweet spot settings.

This was my recollection as well, though, it's really quite  
application dependent.  You should just test a spectrum and pick the  
best: let the computer tell you.

Note that if you use multiple threads, your sweet spot is likely  
quite a bit higher RAM buffer than with a single thread (but test it!).


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