Solr Shard Query From Inside Search Component Sometimes Gives Wrong Results

[Vishnu Mishra <vd...@gmail.com>]

Hi,
              I am using Solr 4.6 and  doing Solr query on shard from inside
Solr search component and try to use the obtained results for my custom
logic. I have used a Solrj for doing distributed search, but the result
coming from this distributed search vary some time.  So the my questions
are,

1.  Can we do distributed search from Solr Search component. 
2.  Do we need to handle concurrency between Solr server by using
synchronization or other technique. 

Is there a way to make a distributed search in the Solr Search Component and
get the matched documents from all the shards? If anyone have Idea then help
me.






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Re: Solr Shard Query From Inside Search Component Sometimes Gives Wrong Results

[Vishnu Mishra <vd...@gmail.com>]

Hi Shalin, 
          I am making simple facet query on shards and the sort order is
based on the score. Actually sometimes I am getting the correct result from
the shards. I am not indexing the data at the time of query. I think as I am
making the shard query inside Solr search component, it is not waiting for
the results from all the shards. Some shard gives the following parsing
error when result comes incorrect

org.apache.solr.common.SolrException: org.apache.solr.search.SyntaxError:
org.apache.query.queryparser.ParseException: Cannot parse 'PNC:ca955235a1':
Encountered "<EOF>" at line 1, column 0.  

But this is the valid query. I have also the same problem outside of the
search component. But when I tried the same approach from the
SolrQueryComponent's createMainQuery() method it is working as desired.

private void createMainQuery(ResponseBuilder rb) {
      // shard query works fine from here
}



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Re: Solr Shard Query From Inside Search Component Sometimes Gives Wrong Results

[Shalin Shekhar Mangar <sh...@gmail.com>]

What was the query you are making? What is the sort order for the
query? Are you sure you are not indexing data in between making these
requests? Are you able to reproduce this outside of your search
component?

It is hard to answer questions about custom code without actually
looking at the code.

On Mon, Mar 3, 2014 at 3:37 PM, Vishnu Mishra <vd...@gmail.com> wrote:
> Hi,
>               I am using Solr 4.6 and  doing Solr query on shard from inside
> Solr search component and try to use the obtained results for my custom
> logic. I have used a Solrj for doing distributed search, but the result
> coming from this distributed search vary some time.  So the my questions
> are,
>
> 1.  Can we do distributed search from Solr Search component.
> 2.  Do we need to handle concurrency between Solr server by using
> synchronization or other technique.
>
> Is there a way to make a distributed search in the Solr Search Component and
> get the matched documents from all the shards? If anyone have Idea then help
> me.
>
>
>
>
>
>
> --
> View this message in context: http://lucene.472066.n3.nabble.com/Solr-Shard-Query-From-Inside-Search-Component-Sometimes-Gives-Wrong-Results-tp4120840.html
> Sent from the Solr - User mailing list archive at Nabble.com.



-- 
Regards,
Shalin Shekhar Mangar.