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2. Technical DescriptionΒΆ

Contents:

  • 2.1. Database Replication
    • 2.1.1. Masters and Slaves
    • 2.1.2. Asynchronous and Synchronous Replication
    • 2.1.3. Solving the Issues in Synchronous Replication
  • 2.2. Replication API
    • 2.2.1. wsrep API
    • 2.2.2. Galera Replication Plugin
    • 2.2.3. Group Communication Plugins
  • 2.3. Certification Based Replication
  • 2.4. Isolation Levels
  • 2.5. Node Provisioning
    • 2.5.1. State Snapshot Transfer (SST)
    • 2.5.2. Incremental State Transfer (IST)
      • 2.5.2.1. Writeset Cache (GCache)
    • 2.5.3. Scriptable State Snapshot Transfer
      • 2.5.3.1. Common Parameters
      • 2.5.3.2. Donor-specific Parameters
      • 2.5.3.3. mysqldump-specific Parameters
  • 2.6. Flow Control
    • 2.6.1. Node States
      • 2.6.1.1. OPEN and PRIMARY
      • 2.6.1.2. JOINER and DONOR
      • 2.6.1.3. JOINED
      • 2.6.1.4. SYNCED
    • 2.6.2. Node State Changes
  • 2.7. Primary Component
    • 2.7.1. Weighted Quorum
    • 2.7.2. Quorum Calculation
    • 2.7.3. Weighted Quorum Examples
  • 2.8. Load Balancing
  • 2.9. Node Failure and Recovery
    • 2.9.1. Single Node Failure
      • 2.9.1.1. Single Node Failure Detection
      • 2.9.1.2. Trade-Off Between Availability and Partition Tolerance
      • 2.9.1.3. Recovery from a Single Node Failure
    • 2.9.2. Split-brain
    • 2.9.3. State Transfer Failure

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