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druid/docs/content/design/middlemanager.md
Gian Merlino 431d3d8497
Rename io.druid to org.apache.druid. (#6266) 
* Rename io.druid to org.apache.druid.

* Fix META-INF files and remove some benchmark results.

* MonitorsConfig update for metrics package migration.

* Reorder some dimensions in inner queries for some reason.

* Fix protobuf tests.
2018-08-30 09:56:26 -07:00

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Middle Manager Node

For Middlemanager Node Configuration, see Indexing Service Configuration.

The middle manager node is a worker node that executes submitted tasks. Middle Managers forward tasks to peons that run in separate JVMs. The reason we have separate JVMs for tasks is for resource and log isolation. Each Peon is capable of running only one task at a time, however, a middle manager may have multiple peons.

Running

org.apache.druid.cli.Main server middleManager

HTTP Endpoints

For a list of API endpoints supported by the MiddleManager, please see the API reference.