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List:       solr-user
Subject:    Re: SolrCloud: facet range option f.<field>.facet.mincount=1 omits buckets on response
From:       Ronald Matamoros <RMatamoros () searchtechnologies ! com>
Date:       2014-05-30 18:54:13
Message-ID: 4777D210CDCF8043B38346C1D9BC6D4D1BC80D35 () stsd-mail1 ! search ! local
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Hi Shawn,

Thanks very much for the feedback.

Have tested using the routing mechanism/composite-id on a larger scale.
Unfortunately the same behaviour.

Regards
Ronald


-----Original Message-----
From: Shawn Heisey [mailto:solr@elyograg.org] 
Sent: 29 May 2014 20:16
To: solr-user@lucene.apache.org
Subject: COMMERCIAL: Re: SolrCloud: facet range option f.<field>.facet.mincount=1 \
omits buckets on response

On 5/29/2014 12:06 PM, Ronald Matamoros wrote:
> Hi all,
> 
> At the moment I am reviewing the code to determine if this is a legitimate bug that \
> needs to be set as a JIRA ticket. Any insight or recommendation is appreciated.

<snip>

> Note: the value in <int name="between"> changes with every other refresh of the \
> query. 

Whenever distributed search results change from one query to the next, it's almost \
always caused by having documents with the same uniqueKey in more than one shard.  \
Solr is able to remove these duplicates from the results, but there are other aspects \
of distributed searching that cannot be dealt with when there are duplicate \
documents.  This leads to problems like numFound changing from one request to the \
next.

To avoid these problems with SolrCloud, you'll likely want to create a new collection \
and set its router to compositeId.  This ensures that indexed documents are \
distributed to shards according to the hash of their uniqueKey, not imported directly \
into the node where you made the update request.

It's possible that my guess here is completely wrong, but this is usually the \
problem.

Thanks,
Shawn


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