Joel Bernstein created SOLR-8588:
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Summary: Add TopicStream to streaming API
Key: SOLR-8588
URL: https://issues.apache.org/jira/browse/SOLR-8588
Project: Solr
Issue Type: New Feature
Reporter: Joel Bernstein
Topics are similar to Alerts (SOLR-8577) in that they return only new content.
But Topics return *all* new documents for a query, where Alerts return the top
N results. So where Alerts are designed to notify of very specific new content,
Topics are primarily a syndication tool.
When combined with DaemonStream (SOLR-8550), Topics can provide continuous
streaming. Sample syntax:
{code}
topic(checkpointCollection, dataCollection, q="awesome stuff")
{code}
The checkpoint collection will be used to persist the topic checkpoints.
Example combined with the DaemonStream:
{code}
daemon(topic(...)...)
{code}
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