GitHub user StephanEwen opened a pull request:
https://github.com/apache/flink/pull/2630
[FLINK-4373] [cluster management] Introduce AllocationID, ResourceProfile,
and AllocatedSlot
These classes are introduced as part of the cluster management rework
(FLIP-6)
The `AllocatedSlot` represents a slot on the TaskManager, reserved by a
JobManager. Prior to FLIP-6, all slots are always implicitly reserved by the
JobManager at which the TaskManagers register. With FLIP-6, slots are
dynamically allocated - hence the AllocatedSlot.
A `Slot` is then an `AllocatedSlot` used by the Scheduler/ExecutionGraph
for a task deployment, possibly sub-dividing the slot for slot sharing. It
references the executed tasks, subslots, and has fields determining whether the
slot is in use or freed.
After this pull request, `Slot`, `SimpleSlot`, and `SharedSlot` have a dual
functionality to support FLIP-6 and the current style.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/StephanEwen/incubator-flink master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2630.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2630
----
commit fbdefb78f619c42b31b32a3f22a4f304f65b0f7e
Author: Stephan Ewen <[email protected]>
Date: 2016-10-13T16:50:18Z
[FLINK-4373] [cluster management] Introduce AllocationID, ResourceProfile,
and AllocatedSlot
These classes are introduced as part of the cluster management rework.
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