Thanks yonik .. will consider Jconsole

On Tue, Nov 10, 2009 at 7:01 PM, Yonik Seeley <yo...@lucidimagination.com>wrote:

> On Tue, Nov 10, 2009 at 8:07 AM, bharath venkatesh
> <bharathv6.proj...@gmail.com> wrote:
> > how much ram would be good enough for the Solr JVM  to run comfortably.
>
> It really depends on how much stuff is cached, what fields you facet
> and sort on, etc.
>
> It can be easier to measure than to try and calculate it.
> Run jconsole to see the memory use, do a whole bunch of queries that
> do all the faceting, sorting, and function queries you will do in
> production.  Then invoke GC a few times in rapid succession via
> jconsole and see how much memory is actually used.  Double that to
> account for a new index searcher being opened while the current one is
> still open (that's just the worst case for Solr 1.4... the average
> reopen case is better since many segments can be shared).  Add a
> little more for safety.
>
> -Yonik
> http://www.lucidimagination.com
>

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