lucene-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Li Li <fancye...@gmail.com>
Subject Re: http://wiki.apache.org/solr/WritingDistributedSearchComponents
Date Fri, 13 Apr 2012 07:01:14 GMT
me too. maybe it should provide a one-stage component.

On Fri, Apr 13, 2012 at 1:41 AM, Mikhail Khludnev <
mkhludnev@griddynamics.com> wrote:

> Btw, I always wanted to ask why it's always done in two stages. It seems
> to me that it's purposed for the specific usecase. But shouldn't we have an
> option to do it in the single stage? eg. if I have a few fields to retrieve
> and not really deep paging, I'd like to retrieve whole fl-s and merge them
> by PKs.
>
> Benson,
> Thanks for contributing the doc for community. I spend a lot of time to
> get into that machinery on my own.
>
> Regards
>
>
> On Thu, Apr 12, 2012 at 4:17 AM, Yonik Seeley <yonik@lucidimagination.com>wrote:
>
>> On Wed, Apr 11, 2012 at 8:15 PM, Benson Margulies <bimargulies@gmail.com>
>> wrote:
>> > I'd like to add some more information to this; to that end, I'd
>> > appreciate a correctness review of the following:
>> >
>> > * QueryComponent distribution algorithm
>> >
>> > The query component distributes queries in two passes. First, it sends
>> > the query out to the shards with the field list trimmed to be just the
>> > score and the doc ID. Upon receipt of these results, it merges the
>> > lists, and then issues new queries out to the shards with
>> > ids=id1,id2,... to retrieve the remaining fields. The results are
>> > packaged up and flow out through the result writer.
>>
>> Yep.
>>
>> -Yonik
>> lucenerevolution.com - Lucene/Solr Open Source Search Conference.
>> Boston May 7-10
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org
>> For additional commands, e-mail: dev-help@lucene.apache.org
>>
>>
>
>
> --
> Sincerely yours
> Mikhail Khludnev
> gedel@yandex.ru
>
> <http://www.griddynamics.com>
>  <mkhludnev@griddynamics.com>
>
>

Mime
View raw message