1. XNAT at Scale
June 7, 2016

2. Open Grid Scheduler (OGS) Star Cluster (OGS for AWS)
Cluster Computing
Open Grid Scheduler (OGS)
Star Cluster (OGS for AWS)
Pipeline job submission
Shadow Tomcat servers
Bulk dicom transfers
Bulk data processing
XNAT load balancing

3. Postgres Scaling
Single server
Backup & Restore considerations
Slow query optimization

4. File Systems
Impact on Users
High speed scratch storage
Data transfer pipelining – XNAT data client
Staggering job starts
Importance of pretesting pipelines

5. Scaling data storage options
File Systems
Scaling data storage options
ZFS
Using NFS referrals to scale horizontally
Replicated copies
Scratch storage
Clustered file systems
Lustre
Gluster
Ceph
GPFS

6. Networks Moving data 10 Gb+ in some cases To users
To and from computing
10 Gb+ in some cases