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From Marc Sturlese <>
Subject Re: questions about optimizations SOLR-1111,SOLR-1169,SOLR-1179
Date Mon, 08 Jun 2009 18:20:16 GMT

Marc Sturlese wrote:
> Hey there,
> I have a few questions about the new solr speed and memory imporvements.
> They look like at pretty low level but I would like to understand some
> stuff...
> Sorry if something I say sounds odd. I am trying to optimize couple of
> custom components with these new features but not sure if I am in the
> right way-
> 1.-SOLR-111
> I have seen there where some memory problems with FieldCache and older
> nightly builds. I use it in stats component, field collapsing and for a
> custom sort. Is FieldCache working alrite in the last nightly?
> 2.-SOLR-1169
> I have seen that HashDocSet has been replaced by SortedIntDocSet. Is it
> already that way in the last nighlty? I am asking because I am testing
> field collapsing patch too. A HashDocsSet is being used in there... would
> be a good idea with the last nigthly to replace it with a SortedIntDocSet?
> 3.-SOLR-1179
> In my custom component I have a DocList with all docs that match a query
> sorted by relevance. I have to iterate over that DocList and its not
> really good in performance... Iterate over a DocSet it's much faster but I
> will not have the elements sorted by relevance anymore. Is it possible to
> get them sorted by relevance with the new SortedIntDocSet?
> Thanks in advance 

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