Details
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Task
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Status: Open
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Major
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Resolution: Unresolved
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Description
Right now the request routing logic is divided into a number of places viz. SolrDispatchFilter, DistributedUpdateProcessor, ShardHandler etc.
It is also quite inefficient in many places e.g. while resolving a collection name to a core name, solr prefers a leader (any leader) for a update request even if that leader isn't the right one.
We should try to refactor all these routing decisions into one place.