Jason Gerlowski created SOLR-8487:
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Summary: Add CommitStream to Streaming API and Streaming
Expressions
Key: SOLR-8487
URL: https://issues.apache.org/jira/browse/SOLR-8487
Project: Solr
Issue Type: New Feature
Affects Versions: Trunk
Reporter: Jason Gerlowski
Priority: Minor
Fix For: Trunk
(Paraphrased from Joel's idea/suggestions in the comments of SOLR-7535).
With SOLR-7535, users can now index documents/tuples using an UpdateStream.
However, there's no way currently using the Streaming API to force a commit.
The purpose of this ticket is to add a CommitStream, which can be used to
trigger commit(s) on a given collection.
The proposed usage/behavior would look a little bit like:
{{commit(collection, parallel(update(search()))}}
Note that...
1.) CommitStream has a positional collection parameter, to indicate which
collection to commit on. (Alternatively, it could recurse through
{{children()}} nodes until it finds the UpdateStream, and then retrieve the
collection from the UpdateStream).
2.) CommitStream forwards all tuples received by an underlying, wrapped stream.
3.) CommitStream commits when the underlying stream emits its EOF tuple.
(Alternatively, it could commit every X tuples, based on a parameter).
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