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From "Martijn van Groningen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-1143) Return partial results when a connection to a shard is refused
Date Tue, 18 Aug 2009 19:36:14 GMT

     [ https://issues.apache.org/jira/browse/SOLR-1143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martijn van Groningen updated SOLR-1143:
----------------------------------------

    Attachment: SOLR-1143-3.patch

You are right Grant. I guess I forgot about the request handler defaults when I was creating
this patch...
I have removed the possibility to configure partial results via the _return-partial-results_
property in the latest patch. The request handler defaults can perfectly configure partial
results to be enabled by default.

> Return partial results when a connection to a shard is refused
> --------------------------------------------------------------
>
>                 Key: SOLR-1143
>                 URL: https://issues.apache.org/jira/browse/SOLR-1143
>             Project: Solr
>          Issue Type: Improvement
>          Components: search
>            Reporter: Nicolas Dessaigne
>             Fix For: 1.4
>
>         Attachments: SOLR-1143-2.patch, SOLR-1143-3.patch, SOLR-1143.patch
>
>
> If any shard is down in a distributed search, a ConnectException it thrown.
> Here's a little patch that change this behaviour: if we can't connect to a shard (ConnectException),
we get partial results from the active shards. As for TimeOut parameter (https://issues.apache.org/jira/browse/SOLR-502),
we set the parameter "partialResults" at true.
> This patch also adresses a problem expressed in the mailing list about a year ago (http://www.nabble.com/partialResults,-distributed-search---SOLR-502-td19002610.html)
> We have a use case that needs this behaviour and we would like to know your thougths
about such a behaviour? Should it be the default behaviour for distributed search?

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