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From "Marcus Falck" <marcus.fa...@observer.se>
Subject SV: SV: SV: SV: Sort problematics
Date Thu, 18 May 2006 14:22:34 GMT
Doesn't solr use the same sort implementation as Lucene ?


-----Ursprungligt meddelande-----
Från: Erik Hatcher [mailto:erik@ehatchersolutions.com] 
Skickat: den 18 maj 2006 14:57
Till: java-user@lucene.apache.org
Ämne: Re: SV: SV: SV: Sort problematics


On May 18, 2006, at 7:04 AM, Marcus Falck wrote:
> Yes I know. But the index is changed constantly.

Then use Solr :))

	Erik


>
> / Marcus
>
> -----Ursprungligt meddelande-----
> Från: Erik Hatcher [mailto:erik@ehatchersolutions.com]
> Skickat: den 18 maj 2006 12:52
> Till: java-user@lucene.apache.org
> Ämne: Re: SV: SV: Sort problematics
>
>
> On May 18, 2006, at 6:41 AM, Marcus Falck wrote:
>> Yes Erik I'm instantiating a new IndexSearcher for every search.
>
> Then don't :)   You only need a new IndexSearcher instance when the
> index itself has changed.
>
>>
>>
>> -----Ursprungligt meddelande-----
>> Från: Erik Hatcher [mailto:erik@ehatchersolutions.com]
>> Skickat: den 18 maj 2006 12:08
>> Till: java-user@lucene.apache.org
>> Ämne: Re: SV: Sort problematics
>>
>>
>> On May 18, 2006, at 4:52 AM, Marcus Falck wrote:
>>> I have slow subsequent searches.
>>> And if i get the cache up and running is it persisted to disc?
>>
>> No, Lucene's caches are not persisted, only in RAM.  Are you using a
>> new IndexReader/IndexSearcher for your subsequent searches?  If not,
>> you're likely not leveraging any caches at all.
>>
>> 	Erik
>>
>>
>>
>>>
>>> /Marcus
>>>
>>>
>>> ________________________________
>>>
>>> Från: Yonik Seeley [mailto:yseeley@gmail.com]
>>> Skickat: on 2006-05-17 16:31
>>> Till: java-user@lucene.apache.org
>>> Ämne: Re: Sort problematics
>>>
>>>
>>>
>>> On 5/17/06, Marcus Falck <marcus.falck@observer.se> wrote:
>>>> I did a quite interesting notice, if i search for IndexId:x
>>>>   (IndexId is unique) with a sort it still takes very long time,
>>>> which
>>>>  it doesn't without the sort.
>>>
>>> This will only be the case the first time you sort on a field  
>>> because
>>> a FieldCache entry is created for that field and then cached for
>>> subsequent sorts.
>>>
>>> -Yonik
>>> http://incubator.apache.org/solr Solr, the open-source Lucene
>>> search server
>>>
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>>
>>
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>>
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>
>
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>
>
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