ClickPipes for Postgres now supports failover replication slots

Postgres ClickPipes has introduced a feature allowing the creation of logical replication slots with failover enabled, enhancing high availability (HA) for Change Data Capture (CDC) workflows by preserving replication slots post-failover. This development follows the introduction of logical decoding capabilities in hot standby replicas in Postgres 16 and the subsequent logical replication failover support in Postgres 17. This feature is critical for users who rely on Postgres as a core database for transaction processing and wish to maintain HA while replicating data to other sources for diverse query workloads. Although the ClickPipe toggle simplifies enabling failover, the setup process involves configuring settings to ensure synchronization between primary and standby servers, especially for users employing managed services like AWS RDS or Google CloudSQL. This advancement enables users to leverage ClickHouse's performance for real-time analytics while maintaining data reliability, with self-hosted users advised to consider PeerDB for robust CDC support.

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