GitHub user EronWright opened a pull request:
https://github.com/apache/flink/pull/5114
[FLINK-8174] [mesos] Mesos RM unable to accept offers for unreserved
resources
## What is the purpose of the change
This PR improves the Mesos RM to work correctly with both reserved and
unreserved resources.
## Brief change log
- Introduce `MesosResourceAllocation` to allocate offered resources to task
resources.
- Introduce `Offer` to replace Fenzo's `VMLeaseObject` with proper
accumulation across reserved and unreserved resources.
## Verifying this change
This change added tests and can be verified as follows:
- Unit tests:
- `MesosResourceAllocationTest`
- Manual tests:
- Launch with unreserved resources
- Launch with a static reservation
- Launch with a dynamic reservation
- Launch with a mix of reserved and unreserved resources
- Launch numerous tasks from a single offer
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no
- If yes, how is the feature documented? not applicable
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/EronWright/flink FLINK-8174-2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5114.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 #5114
----
commit 66d885b14ba9cd823489e6f61665459b6af45fbd
Author: Eron Wright <[email protected]>
Date: 2017-12-03T11:14:41Z
[FLINK-8174] Mesos RM unable to accept offers for unreserved resources
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