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https://issues.apache.org/jira/browse/SOLR-7535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082176#comment-15082176
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Joel Bernstein commented on SOLR-7535:
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I think the CommitStream would be very useful. The main usage would be:
{code}
commit(collection, parallel(update(search()))
or
commit(collection, update(search()))
{code}
We could have it commit on EOF as the simplest use case. I think read() should
just return all Tuples until it reaches the EOF and then commit the collection.
We can add the CommitStream to the existing UpdateStream tests.
Later we can always add more features.
> Add UpdateStream to Streaming API and Streaming Expression
> ----------------------------------------------------------
>
> Key: SOLR-7535
> URL: https://issues.apache.org/jira/browse/SOLR-7535
> Project: Solr
> Issue Type: New Feature
> Components: clients - java, SolrJ
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Priority: Minor
> Attachments: SOLR-7535.patch, SOLR-7535.patch, SOLR-7535.patch,
> SOLR-7535.patch, SOLR-7535.patch, SOLR-7535.patch, SOLR-7535.patch,
> SOLR-7535.patch
>
>
> The ticket adds an UpdateStream implementation to the Streaming API and
> streaming expressions. The UpdateStream will wrap a TupleStream and send the
> Tuples it reads to a SolrCloud collection to be indexed.
> This will allow users to pull data from different Solr Cloud collections,
> merge and transform the streams and send the transformed data to another Solr
> Cloud collection.
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