Meetings/NovaScheduler

Weekly Nova Scheduler team meeting

MEETING TIME: Mondays 14:00 UTC (#openstack-meeting-alt)

This meeting is a weekly gathering of developers working on the Nova Scheduler subteam. We cover topics such as development focus, status, bugs, reviews, and other current topics worthy of real-time discussion.

NOTE: this wiki page should be 'emptied' at the end of each meeting.

Next meetings scheduled for:

• No meetings December 25 and January 1
• January 8 2018 1400 UTC, #openstack-meeting-alt
• January 15 2018 1400 UTC, #openstack-meeting-alt

Agenda for next meeting

• Specs & Reviews
  • Reviews
    • Nested RPs:
      • ComputeDriver.update_provider_tree() series starting with: https://review.openstack.org/#/c/521685/ (efried) (See open discussion topic)
      • Nested affordance in GET /allocation_candidates (jaypipes)
      • Granular resource requests (efried): https://review.openstack.org/#/q/status:open+project:openstack/nova+branch:master+topic:bp/granular-resource-requests (waiting for ^^)
    • Alternate hosts (edleafe):
      • Series now starts with test case patch https://review.openstack.org/#/c/531022/
      • Revealed bug: https://bugs.launchpad.net/nova/+bug/1741125

• Bugs
  • Placement bugs
    • https://bugs.launchpad.net/nova/+bugs?field.tag=placement

• Open discussion
  • Using /allocation_candidates?limit= from nova-side, should we? how?
    • WIP: https://review.openstack.org/#/c/531517/ (dansmith)
  • sharing providers in ProviderTree: https://review.openstack.org/#/c/526539/
    • If sharing providers are managed by compute nodes, how does coordination work? Answer: careful handling of conflicts
      • Generation support needed for PUT /rp/{uuid}/aggregates
      • Sensible reGET/retry on 409s
    • Can we centralize all that logic in the report client and have it work for all cases, or do virt drivers need more control? (Related to below.)
  • Why can't (in-tree) virt drivers talk to placement? See conversation seeds in patch-level comments on https://review.openstack.org/#/c/526539/7

Previous meetings

• 2017.12.18
• 2017.12.11
• 2017.12.04
• All other meetings are here