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From "Mark Miller (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2842) Re-factor UpdateChain and UpdateProcessor interfaces
Date Fri, 21 Oct 2011 20:48:32 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13133046#comment-13133046
] 

Mark Miller commented on SOLR-2842:
-----------------------------------

cool - I like where this going.
                
> Re-factor UpdateChain and UpdateProcessor interfaces
> ----------------------------------------------------
>
>                 Key: SOLR-2842
>                 URL: https://issues.apache.org/jira/browse/SOLR-2842
>             Project: Solr
>          Issue Type: Improvement
>          Components: update
>            Reporter: Jan H√łydahl
>
> The UpdateChain's main task is to send SolrInputDocuments through a chain of UpdateRequestProcessors
in order to transform them in some way and then (typically) indexing them.
> This generic "pipeline" concept would also be useful on the client side (SolrJ), so that
we could choose to do parts or all of the processing on the client. The most prominent use
case is extracting text (Tika) from large binary documents, residing on local storage on the
client(s). Streaming hundreds of Mb over to Solr for processing is not efficcient. See SOLR-1526.
> We're already implementing Tika as an UpdateProcessor in SOLR-1763, and what would be
more natural than reusing this - and any other processor - on the client side?
> However, for this to be possible, some interfaces need to change slightly..

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