Adding routing groups - route queries to multiple set of Presto clusters

lyft / presto-gateway

A load balancer / proxy / gateway for prestodb

Apache License 2.0

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Closed puneetjaiswal closed 5 years ago

puneetjaiswal commented 5 years ago

Added config routingGroup for each presto backend.
If not specified, backed cluster will be assigned adhoc routing group.
To route a query among clusters for a routing group, user has to add header X-Presto-Routing-Group in the query request.
If routing group not found, query will be routed to adhoc set of clusters.
Added unit tests to test the routingGroup functionality.

ssanthanam185 commented 5 years ago

👍