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https://issues.apache.org/jira/browse/SOLR-7535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15080516#comment-15080516
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Joel Bernstein commented on SOLR-7535:
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The main thing I'll be looking for in the manual testing is to see what happens
when the exports rate is much faster the indexing rate. In this scenario the
export handler may be blocked for long periods of time, possibly leading to
timeouts from Jetty. If this happens we may have to change this implementation
to write each batch to local disk and then index the batches in a background
thread.
> 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
>
>
> 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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