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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NUTCH-1480) SolrIndexer to write to multiple servers.
Date Wed, 08 Nov 2017 14:24:00 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-1480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16244013#comment-16244013
] 

ASF GitHub Bot commented on NUTCH-1480:
---------------------------------------

r0ann3l commented on issue #218: fix for NUTCH-1480 contributed by r0ann3l
URL: https://github.com/apache/nutch/pull/218#issuecomment-342832072
 
 
   Thanks @sebastian-nagel  for your review. Sections for all indexer-* plugins were added,
so they work out-of-the-box as you required in your comments. Also, it is not mandatory to
specify fields for the actions (the schema is relaxed).
   
   I included a new change, to avoid duplicate values in a field when someone tries to copy
to the same field, like: 
   
   ```
   <copy>
   	<field source="title" dest="title"/>
   </copy>
   ```
   
   In addition, I added a new class (IndexWriterParams) to facilitate the process of obtaining
and parsing values from the index-writers.xml file. Now, an instance of IndexWriterParams
is passed to each IndexWriter instead of HashMap.

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> SolrIndexer to write to multiple servers.
> -----------------------------------------
>
>                 Key: NUTCH-1480
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1480
>             Project: Nutch
>          Issue Type: Improvement
>          Components: indexer
>            Reporter: Markus Jelsma
>            Assignee: Markus Jelsma
>            Priority: Minor
>         Attachments: NUTCH-1480-1.6.1.patch, adding-support-for-sharding-indexer-for-solr.patch
>
>
> SolrUtils should return an array of SolrServers and read the SolrUrl as a comma delimited
list of URL's using Configuration.getString(). SolrWriter should be able to handle this list
of SolrServers.
> This is useful if you want to send documents to multiple servers if no replication is
available or if you want to send documents to multiple NOCs.
> edit:
> This does not replace NUTCH-1377 but complements it. With NUTCH-1377 this issue allows
you to index to multiple SolrCloud clusters at the same time.



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