Bloomberg - virtual visit

Apr 29, 2021, 2:00 PM → Apr 30, 2021, 10:00 PM 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, April 29

2:00 PM → 2:10 PM Welcome/Introduction

Topics to discuss
- OpenStack Architecture at CERN and Bloomberg

2:10 PM → 2:50 PM OpenStack Architecture at Bloomberg and CERN

Topics to discuss
- OpenStack Architecture at CERN and Bloomberg

CERN_cloud.pdf

2:50 PM → 3:00 PM Break

3:00 PM → 4:00 PM 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, April 30

2:00 PM → 2:50 PM Computing Seminar: Bloomberg Computing Infrastructure

2:50 PM → 3:00 PM Break

3:00 PM → 4:00 PM 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

4:00 PM → 4:30 PM 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