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From "Yonik Seeley" <>
Subject Re: How much ram can Solr use?
Date Thu, 28 Sep 2006 00:53:27 GMT
On 9/27/06, Kevin Lewandowski <> wrote:
> On the performace wiki page it mentions a test box with 16GB ram. Did
> anything special need to be done to use that much ram (with the OS or
> java)? Would Solr on a system with Linux x86_64 and Tomcat be able to
> use that much ram? (sorry, I don't know Java so I don't know if there
> are any limitations there).

Yep, works fine....  We don't use the full 16GB for the java heap
though because:
 - you want to leave RAM for the OS cache of the index files
 - bigger heaps = longer gc pauses (at least with Java5).


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