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Next generation PostgreSQL replication with pglogical 3 and BDR 3

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 Eisentraut, Peter

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Next generation PostgreSQL replication with pglogical 3 and BDR 3
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Abstract
This talk will present the PostgreSQL replication solutions pglogical 3 and BDR 3. pglogical is a PostgreSQL extension for logical replication between two nodes. Most of the code for built-in logical replication in PostgreSQL 10 was derived from pglogical, while pglogical offers a larger feature set, such as row and column filtering, conflict resolution, and compatibility back to PostgreSQL 9.4. The new major release pglogical 3 was rearchitected to support even more functionality including failover support, improved table synchronization, and Kafka integration. BDR is a PostgreSQL extension for asynchronous multimaster replication. The upcoming BDR 3 was completely reengineered and built on top of pglogical 3. It will support multiple consistency models, new node management, and transparent DDL replication.