[GitHub] [couchdb] davisp commented on issue #2329: Add option to enforce fetching data from local shards, instead of from shards on on remote nodes(if data present on local node)

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davisp commented on issue #2329: Add option to enforce fetching data from local shards, instead of from shards on on remote nodes(if data present on local node)
URL: https://github.com/apache/couchdb/issues/2329#issuecomment-566690257
 
 
   We're not trying to actively load balance here so it wouldn't make sense to add a parameter to disable anything. What ends up happening is that when we wait for quorum we essentially pick a random representative which may have references to attachments on a remote node.
   
   However, we could add some smarts in `fabric_doc_open` that could prefer to use a reply from the local node if it's part of the quorum response. It'd not be a non-trivial change as there's a bit of subtlety in that logic around what gets included as the quorum representative.

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