Project: datamanagement
Issue DM-4617: Send all chunk-queries to primary copy of the chunk
We are planning to distribute chunks / replicas across worker nodes such that each node will have a mix of primary copies for some chunks, and backup copies for some chunks. While doing shared scan, we are going to always rely on the primary chunks (e.g., all queries that need a given chunk should be sent to the same machine so that we read that chunks only once on one node). This story involves tweaking xrootd to ensure we don't send chunk-queries to nodes hosting non-primary copies.
Story points: 5