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From "Dirk Rudolph (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-11869) Remote streaming UpdateRequestProcessor
Date Thu, 18 Jan 2018 12:54:00 GMT
Dirk Rudolph created SOLR-11869:
-----------------------------------

             Summary: Remote streaming UpdateRequestProcessor
                 Key: SOLR-11869
                 URL: https://issues.apache.org/jira/browse/SOLR-11869
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
          Components: UpdateRequestProcessors
            Reporter: Dirk Rudolph


When indexing documents from content management systems (or digital asset management systems)
they usually have fields for metadata given by an editor and they in case of pdfs, docx or
any other text formats may also contain the binary content as well, which might be parsed
to plain text using tika. This is whats currently supported by the ExtractingRequestHandler. 

We are now facing situations where we are indexing batches of documents using the UpdateRequestHandler
and want to send the binary content of the documents mentioned above as part of the single
request to the UpdateRequestHandler. As those documents might be of unknown size and its
difficult to send streams along the wire with javax.json APIs, I though about sending the
url to the document itself, let solr fetch the document and let it be parsed by tika -
using a RemoteStreamingUpdateRequestProcessor.  

Example:
{code:json}
{ 
 "add": { "id": "doc1", "meta": "foo", "meta": "bar", "text": "Short text" }
 "add": { "id": "doc2", "meta": "will become long", "text_ref": "http://..." }
}
{code}



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