[GitHub] [pinot] eaugene commented on issue #11024: Web Socket Endpoints for querying in Pinot Broker

["eaugene (via GitHub)" <gi...@apache.org>]

eaugene commented on issue #11024:
URL: https://github.com/apache/pinot/issues/11024#issuecomment-1618142759

   @kishoreg  Thanks for the questions. 
   
   1. The initial version of WebSocket Endpoint won't be for the standing queries. Web Socket would serve as one additional interface ( than existing REST API way) for an external system to connect and query in Pinot, here we save the connection establishment time for each HTTP request . The client is expected to give any queries as we currently have with REST API.
   2. The additional use cases of making it support standing queries to period response/return after a change in data ( with a periodic check at pinot ) can be added once the underlying web socket interface is there. This would be a nice feature to support at Pinot as it removes the work at the client system ( particularly data viz. applications ) to periodically call Pinot.
   3. For incremental results bounded to standing queries, we can this support once point 2 is made.  Here we can utilise the time field of real-time data flowing in & a WebSocket connection at the pinot broker end can maintain the state of the last timestamp it served.
   
   @atris Please add if I am missing any points.  


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