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From "Todd Benge" <todd.be...@gmail.com>
Subject Re: OutOfMemory Problems Lucene 2.4 / Tomcat
Date Mon, 03 Nov 2008 21:44:44 GMT
Pablo,

Would you mind adding a little more detail about how you're working
around the problem?

I'm still evaluating our different options so am interested in what you did.

Todd

On Mon, Nov 3, 2008 at 2:37 PM, PabloS <pablo.a.saavedra@gmail.com> wrote:
>
> Thanks hossman, but I've already 'solved' the problem without the need to
> patch lucene. I had to code a bit around Lucene's visibility restrictions
> but I've managed to completely skip the field caching mechanism and add
> ehcache to it.
>
> At the moment it seems to be working quite well, although not as fast as it
> was when lucene performed the caching.
>
> Thanks a lot for the info anyway.
> Regards.
>
> hossman wrote:
>>
>>
>> : I'm having a similar problem with my application, although we are using
>> : lucene 2.3.2. The problem we have is that we are required to sort on
>> most of
>> : the fields (20 at least). Is there any way of changing the cache being
>> used?
>>
>> there is a patch in Jira that takes a completley different approach
>> towards dealing with sorting by using the *stored* values of the documents
>> that match...
>>
>> https://issues.apache.org/jira/browse/LUCENE-769
>>
>> ...in theory it's "better" for use cases where:
>>
>>   1) you are confident you are going to get back a "small" result set in
>>      proportion to the total size of your index.
>>   2) you need to support sorting on "lots" of fields and don't have enough
>>      ram for all of the FieldCaches of those fields
>>
>> So far the only person to test it out (and post comments) is the patch
>> submitter, but if other people report success it might be worth adding as
>> a contrib.
>>
>> (Disclaimer: it looks like the patch was updated after my last
>> review/comments.  i have not read, nor claim any opinion about the
>> currently attached patch)
>>
>>
>>
>>
>> -Hoss
>>
>>
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>>
>
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> Sent from the Lucene - Java Users mailing list archive at Nabble.com.
>
>
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