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From Rakhi Khatwani <rkhatw...@gmail.com>
Subject Re: question about the fieldCollapseCache
Date Tue, 15 Jun 2010 08:54:47 GMT
Hi,
      I tried downloading solr 1.4.1 from the site. but it shows an empty
directory. where did u get solr 1.4.1 from?

Regards,
Raakhi

On Tue, Jun 8, 2010 at 10:35 PM, Jean-Sebastien Vachon <
js.vachon@videotron.ca> wrote:

> Hi All,
>
> I've been running some tests using 6 shards each one containing about 1
> millions documents.
> Each shard is running in its own virtual machine with 7 GB of ram (5GB
> allocated to the JVM).
> After about 1100 unique queries the shards start to struggle and run out of
> memory. I've reduced all
> other caches without significant impact.
>
> When I remove completely the fieldCollapseCache, the server can keep up for
> hours
> and use only 2 GB of ram. (I'm even considering returning to a 32 bits JVM)
>
> The size of the fieldCollapseCache was set to 5000 items. How can 5000
> items eat 3 GB of ram?
>
> Can someone tell me what is put in this cache? Has anyone experienced this
> kind of problem?
>
> I am running Solr 1.4.1 with patch 236. All requests are collapsing on a
> single field (pint) and
> collapse.maxdocs set to 200 000.
>
> Thanks for any hints...
>
>

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