PostgreSQL replication from setup to advanced features.
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The document discusses various PostgreSQL replication methods and tools, including streaming and logical replication options, as well as middleware solutions like pgpool, slony, and bucardo. It highlights key features such as index types, connection pooling, and maturity of different replication solutions. Additionally, it provides a link for further exploration of PostgreSQL replication and clustering resources.
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- 1. PostgreSQL replication Lviv, #pivorak, 22/04/16
- 2. PG vs. MySQL ● Indexes on Expressions ● Partial Indexes ● Combining Multiple Indexes ● Index Types ● 50+ Data Types ● Pattern Matching with RegExps ● Savepoints ● Different Auth Providers
- 3. Terms ● Write Ahead Log (WAL) ● Streaming Replication (SR) ● Physical Log Streaming Replication (LLSR) ● Logical Log Streaming Replication (LLSR) ● Bi-Directional Replication (BDR)
- 4. Physical Log Streaming Replication WAL Master Slave
- 5. Solutions Program License Maturity Replication Method Sync Connection Pooling Load Balancing Query Partitioning PgCluster BSD Stalled Master-Master Synchronous No Yes No pgpool-I BSD Stable Statement-Based Middleware Synchronous Yes Yes No Pgpool-II BSD Recent release Statement-Based Middleware Synchronous Yes Yes Yes slony BSD Stable Master-Slave Asynchronous No No No Bucardo BSD Stable Master-Master, Master- Slave Asynchronous No No No Londiste BSD Stable Master-Slave Asynchronous No No No Mammoth BSD Stalled Master-Slave Asynchronous No No No rubyrep MIT Stalled Master-Master, Master- Slave Asynchronous No No No BDR (Bi-Directional Replication) PostgreSQL (BSD) Stable Master-Master (no triggers needed) Asynchronous No No No pg_shard LGPL Recent release Statement-based Middleware (as an extension) Synchronous No Yes Yes pglogical PostgreSQL Recent Release Master-Slave Asynchronous No No No https://wiki.postgresql.org/wiki/Replication,_Clustering,_and_Connection_Pooling