nova/releasenotes/notes/scheduler-limit-placement-650fc06be2a08781.yaml
Dan Smith f029784eaf Pass limit to /allocation_requests
This makes us pass an upper limit to placement when doing scheduling
activities. Without this, we'll always receive every host in the
deployment (that has space for the request), which may be very large.

Closes-Bug: #1746294
Change-Id: I1c34964a74123b3d94ccae89d7cac0426b57b9b6
2018-02-01 11:00:38 -05:00

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YAML

---
fixes:
- |
The FilterScheduler now limits the number of results in the query it makes
to placement to avoid situations where every compute node in a large
deployment is returned. This is configurable with the new
``[scheduler]/max_placement_results`` configuration option, which defaults
to 1000, a sane starting value for any size deployment.