Bloomberg - virtual visit

29 Apr 2021, 14:00 → 30 Apr 2021, 22:00 Europe/Zurich

CERN

Share experiences with Bloomberg on various topics.

Notes of discussions will be available at:

https://codimd.web.cern.ch/s/GWnSx43wO

 

Thursday, 29 April

14:00 → 14:10 Welcome/Introduction

Topics to discuss
- OpenStack Architecture at CERN and Bloomberg

14:10 → 14:50 OpenStack Architecture at Bloomberg and CERN

Topics to discuss
- OpenStack Architecture at CERN and Bloomberg

CERN_cloud.pdf

14:50 → 15:00 Break

15:00 → 16:00 Operate OpenStack at Scale

Proposal of topics to be discussed:
- How to scale OpenStack (Cells/Regions)
- Upgrades
- Instances lifecycle
- Quotas vs Billing / Accounting
- Resources overcommit
- Scheduling at scale
- Images (no quotas in Glance)
- OSes

Friday, 30 April

14:00 → 14:50 Computing Seminar: Bloomberg Computing Infrastructure

14:50 → 15:00 Break

15:00 → 16:00 Hardware Life Cycle

Proposal of topics to be discussed:
- Compute Nodes provisioning/decommission - workflows
- Resource management tools
- Compute nodes configuration (RAID?, GPUs, …)
- How to minimise user impact? (Procedures, Live Migration?)
- Repairs
- Hardware decomission
- OSes

16:00 → 16:30 Ceph Discussion

• Ceph Architecture at CERN and Bloomberg: versions, sizes?
• Block storage, CephFS, and S3 usage. Num clients, num volumes etc?
• Disaster recovery: RBD Mirroring, multi-region S3 replication
• Ceph management, QA testing, deployment, and configuration tools