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From "Markus Jelsma (JIRA)" <>
Subject [jira] [Commented] (SOLR-5480) Make MoreLikeThisHandler distributable
Date Mon, 26 May 2014 14:57:02 GMT


Markus Jelsma commented on SOLR-5480:

Hi Steve, i took your 4.6 patch and applied it to 4.8, i did have to fix some issues that
were committed when some deep paging fix was commit. Anyway, the component seems to work but
it takes a very long time, over 8 seconds on a powerful cluster. I tracked it down to the
shard queries having a rows=20 parameter so i get mlt.count for 20 results per shard, can
you confirm?

> Make MoreLikeThisHandler distributable
> --------------------------------------
>                 Key: SOLR-5480
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Steve Molloy
>            Assignee: Noble Paul
>         Attachments: SOLR-5480.patch, SOLR-5480.patch, SOLR-5480.patch, SOLR-5480.patch,
SOLR-5480.patch, SOLR-5480.patch
> The MoreLikeThis component, when used in the standard search handler supports distributed
searches. But the MoreLikeThisHandler itself doesn't, which prevents from say, passing in
text to perform the query. I'll start looking into adapting the SearchHandler logic to the
MoreLikeThisHandler. If anyone has some work done already and want to share, or want to contribute,
any help will be welcomed. 

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