Merritt

Merritt is the digital preservation repository for the University of California, available to libraries, academic departments, laboratories and other organizational units within UC.

Original System Specifications

• Merritt Object Model
• Technical Specifications
• Digital Object Guidelines

User Documentation

• For the latest Merritt documentation, see the wiki.
• Manifest Validation Tool
• Manifest Validation Tool with Unit Tests
• Merritt Development Resources
• A system-specific dataflow diagram is available via each of the below code repository README files.

Code Repositories

Code Repositories

• Ruby
  • UI
  • Merritt Admin Tool
• Java
  • Ingest
  • Inventory
  • Storage (Store and Access)
  • Replication
  • Audit (Fixity Check)

Libraries

• Java
  • Core
  • Cloud
• Java and Ruby
  • Merritt ZK (created in 2024)
• Ruby
  • SSM Gem - Shared with other UC3 services
  • Merritt Atom - Nuxeo processing for ingest
    • Uses Ruby Ingest

Configuration

• Tomcat

Supporting Services

• Merritt Testing
• Java
  • Merritt Box Tools
• Ruby
  • Merritt End to End Tests
  • Ingest Workspace Manifest Builder
• Docker
  • Merritt Docker
  • Merritt Integration Test Images
• Other
  • Merritt Maintenance Scripts
• Python
  • Merritt Repository Tagger

Merritt DevOps

• Merritt Build System Design
• Merritt Tomcat Deploy
• Merritt Service Release Manifest
• Merritt Sceptre Scripts
• Deprecated?
  • Merritt Ansible Deployment Tools

Project Overview

• Project Board
• System Operations Board
• System Enhancement Ideas Grouped by Theme

More info

• Deprecated Functionality

---

Internal Links

• Merritt Troubleshooting