Re: [PR] [WIP]: Detect segment unavailability for queries in broker (druid)

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

kfaraz commented on PR #18558:
URL: https://github.com/apache/druid/pull/18558#issuecomment-3478765218

   @jtuglu1 , I haven't gone through the full approach in the PR yet.
   But had a small comment on the flowchart - a Broker should start serving a segment only after it has received information from the Coordinator that the segment is used and has been loaded on any data node atleast once. I think you might have meant to capture this but the flowchart only mentions a "Coordinator sync USED callback" instead of "Coordinator sync USED=1 + HAS_LOADED=1 callback".
   
   For reference, see https://github.com/apache/druid/pull/13967#sync-issues, item 2b.


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