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From "Nicolas Pastorino (JIRA)" <>
Subject [jira] Commented: (SOLR-1147) QueryElevationComponent : updating elevate.xml through HTTP
Date Mon, 18 May 2009 06:32:47 GMT


Nicolas Pastorino commented on SOLR-1147:

It indeed sounds like a potentially more generic feature. Should this end-up in dedicated
request Handler, which receives as parameters :
* the name of the concerned searchComponent, or other 'module' using a configuration file
* the updated configuration

And passes along the updated configuration to the concerned 'module' in some way ? Should
an existing interface be extended in order to comprize the necessary methods, or should this
be handled with inheritance here, an abstract class presenting the 'updateConfiguration( ...
)' method ? There probably are quite a few other approaches on this.

Thanks for your participation to this !

> QueryElevationComponent : updating elevate.xml through HTTP
> -----------------------------------------------------------
>                 Key: SOLR-1147
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 1.3, 1.4, 1.5
>         Environment: Any
>            Reporter: Nicolas Pastorino
>            Priority: Minor
>         Attachments:,
> If one wants to update the configuration file for the QueryElevationComponent, direct
edition of the file is mandatory. Currently the process seems to be : 
> # Replace elevate.xml in Solr's dataDir
> # Commit. It appears that when having elevate.xml in Solr's dataDir, and solely in this
case, commiting triggers a reload of elevate.xml. This does not happen when elevate.xml is
stored in Solr's conf dir.
> As a system using Solr, i would find handy to be able to push an updated elevate.xml
file/XML through HTTP, with an automatic reload of it. This would remove the currently mandatory
requirement of having a direct access to the elevate.xml file, allowing more distributed architectures.
This would also increase the Query Elevation system's added value by making it dynamic, configuration-wise.

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