Sunbird RC (Registry & Credential)
  • Learn
    • Introduction
    • Sunbird RC Overview
      • Why do we need Sunbird RC?
      • Core Capabilities
      • Core Registry Verbs
      • Workflows
      • What Sunbird RC is and what it's not? (WIP)
      • Possibilities
      • Demo Links
    • Technical Overview
      • High level architecture
      • Technical Specification Draft
      • Tech Stack and Requirements
    • Adopters
    • Roadmap
  • Use
    • Getting started
      • Pre-requisites
      • Installation Guide
        • Registry CLI
          • Setup A Registry Instance
        • Manual installation through docker-compose
        • Production setup through Helm
    • Developer's Guide
      • Configurations
        • Frontend Configurations
        • Frontend - Proxy configuration
        • Audit Configuration
        • Notifications Configuration
        • View Templates Configuration
      • Schema Setup
        • Introduction To Schemas
        • Creating Your Own Schemas
        • Schema Configuration
        • Create Schemas With Custom Password
      • Setup the Backend
      • Setup the Frontend
      • Backup and Restore
        • PostgreSQL
          • SQL Dump
          • File System Level Backup
          • Continuous Archiving and Point-in-Time Recovery (PITR)
        • Cassandra
          • Snapshot-based backup method
          • Incremental backup method
          • Data Restore
      • Generic Identity And Access Management
      • Metrics
      • Custom Keycloak Build
      • Custom QR Code design
      • VC Verification Module
    • Integrations
      • SSO with existing systems
      • Digilocker Meripehchaan SSO
      • Digilocker Integration
    • Release Notes
      • Latest Release - v1.0.0
    • Admin Portal
      • Login
      • Get Started
        • Create Schema
        • Attestation Workflows (WIP)
        • VC Template
          • Custom VC Template (WIP)
        • Ownership (WIP)
        • Publish (WIP)
      • Dashboard
  • API Reference
    • Registry
      • Using The APIs
      • Create An Entity
      • Invite An Entity
      • Generate token
      • Generate admin token
      • Get An Entity
      • Get An Entity By Id
      • Update An Entity
      • Create A Property Of An Entity
      • Update A Property Of An Entity
      • Revoke a Credential
      • Delete An Entity
    • Schema
      • Create Schema
      • Get Schema
      • Update Schema
      • Delete Schema
      • Publish A Schema
    • Attestation API
      • Raise An Attestation
      • Get Attestation Certificate
    • Claims API
      • Get All Claims
      • Get Claim by ID
      • Attest A Claim
    • Discovery API
      • Search An Entity
    • File Storage API
      • Upload A File
      • Get Uploaded File
      • Delete A File/ Multiple Files
    • Bulk Issuance API
      • Get Sample Template
      • Upload CSV
      • Get all uploaded Files
      • Download a Report File
    • Metrics APIs
      • Get Count
      • Get Aggregates
    • Other APIs
      • Sign API
      • Verify API
      • Swagger JSON API
      • Health API
  • Reference Solutions for Functional Registries
    • Education
      • Education Ecosystem
        • Installation
      • Education Registries
        • Installation
    • Health Registries
      • Organ Registries
        • Frontend Setup
        • Backend Setup
        • User Guide
      • Health Facility Registry
    • Govt to Person (G2P)
  • Reference Solution for Digital Credentials
    • Certificate Issuance
      • Installation(WIP)
      • User Guide
    • Vaccination Platform
    • Unified Learners Passport (ULP)
      • ULP Capabilities
      • Example Scenario
      • Technical Components (WIP)
      • Demo/Sandbox Links (WIP)
      • Installation Guide (WIP)
        • Frontend Setup
        • Installation through docker-compose
        • Dummy records setup for refrence
    • eLocker
      • High Level Diagram
      • Installation (WIP)
        • Frontend Setup E-locker
      • User Guide
    • Skills & Work Credentials
  • Links
    • Source Code
    • Releases & Changelogs
    • Website
    • Roadmap
    • Reference links
    • Design
  • Community
    • Discussion Forum
    • Contributors
    • Contributing
    • Contribution Guidebook
    • Code of Conduct
    • Community Events
    • Status By Track
  • HELP
    • Roadmap
    • FAQs
    • Glossary
    • Guide to Electronic Registries and Verifiable Credentials
      • Verifiable Credentials
        • What issues will Verifiable Credentials address?
        • What are the key roles in Verifiable Credentials?
        • What are the components of Verifiable Credentials?
        • What are the benefits of Verifiable Credentials?
        • Digital Credentials vs Verifiable Credentials
        • QR code vs Verifiable QR code
        • Use Cases
      • Electronic Registries
        • Evolution of Electronic Registries
        • What issues will Electronic Registries address?
        • Benefits of Electronic Registries
        • Registry vs Database
        • Design Principles
        • Use Cases
      • Leveraging Existing data stores
    • External Open Source Software Attributions
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  1. Use
  2. Developer's Guide
  3. Backup and Restore

Cassandra

PreviousContinuous Archiving and Point-in-Time Recovery (PITR)NextSnapshot-based backup method

Last updated 1 year ago

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Apache Cassandra is an open-source distributed database management system that offers exceptional scalability, fault tolerance, and cost-effectiveness, making it highly desirable for enterprises. One of its standout features is the ability to ensure uninterrupted service even in the face of node failures.

Cassandra achieves this by replicating data across multiple nodes and data centers. The data is stored in SSTable files, which reside in the keyspace directory within the data directory path specified in the Cassandra.yaml file.

By default, the SSTable files are stored in the following directory path: /var/lib/cassandra/data/

With its robust data replication and fault-tolerant architecture, Cassandra guarantees continuous availability, making it a reliable choice for enterprise-level applications.

Cassandra offers two distinct approaches for backups:

  1. This method involves capturing point-in-time snapshots of the entire database. Snapshots provide a consistent view of the data at a specific moment, facilitating recovery from various issues or accidental data loss.

  2. With incremental backup, only the changes made since the last backup are stored. This approach reduces storage requirements and backup duration by capturing and preserving only the modified data. It complements snapshot-based backups by providing more frequent and efficient backup options.

By leveraging these backup methods, Cassandra users can ensure data resiliency and efficiently restore their databases in case of unexpected events or data inconsistencies.

Snapshot-based backup:
Incremental backup: