Real-time Postgres Change Data Capture to Elasticsearch

Keep your PostgreSQL data in perfect sync with Elasticsearch using Xata’s real-time Change Data Capture (CDC) solution. Achieve consistent, low-latency replication, providing you with powerful search and analytics capabilities.

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Why choose Xata for Postgres CDC and replication?

Real-time data updates

Xata’s CDC captures every change in your Postgres database and replicates it to Elasticsearch instantly. This ensures data consistency across platforms, perfect for search-heavy applications and real-time analytics.

Automatic schema synchronization

Xata automatically tracks and replicates schema changes (DDL), preventing any data flow disruptions during database updates.

Highly scalable

Built for performance, Xata’s Postgres CDC solution handles large data volumes and complex queries while maintaining minimal replication delay/lag. It’s optimized for high-throughput environments, allowing your Elasticsearch instance to reflect real-time data from Postgres seamlessly.

Seamless Elasticsearch integration

Xata’s solution offers out-of-the-box support for Elasticsearch, allowing you to seamlessly sync Postgres data for real-time search functionality. The optimized replication ensures minimal indexing delays, providing quick and accurate search results for users.

Webhooks for automated workflows

With pgstream, trigger real-time webhooks based on changes in your PostgreSQL database, streamlining updates and automating workflows.

Simple set-up and low maintenance

Set up and manage your data replication with minimal effort. Xata’s user-friendly interface and configuration make Postgres CDC easy, even for non-technical teams

GISData.io reduces search response time by 99.98% with Xata
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Key features of Xata’s Postgres branching solution

Advanced schema change replication for Postgres CDC

Unlike many CDC tools, Xata’s solution tracks not only data changes but also schema (DDL) modifications, ensuring your Elasticsearch or OpenSearch instance is always in sync with the latest database structure. This built-in schema change replication eliminates the need for manual interventions and reduces the risk of data mismatches or errors due to structural changes.

Real-time webhook integration

For teams that require automated workflows, pgstream includes real-time webhook support. This feature allows you to instantly trigger webhooks based on changes in your PostgreSQL database, providing immediate, automated responses for various business needs—like alerting or triggering downstream processing tasks.

Optimized Write-Ahead Log (WAL) replication for real-time data sync

Xata’s pgstream utilizes PostgreSQL’s Write-Ahead Log (WAL) for high-efficiency data replication. This method captures real-time changes directly from the WAL, ensuring low-latency streaming and minimal impact on the source database's performance. This is crucial for applications needing seamless, real-time data updates across large datasets.

Modular and open source flexibility

Xata’s pgstream is open-source and modular, allowing seamless integration into your existing data architecture. It supports multiple output destinations, including Elasticsearch, OpenSearch, and Kafka, enabling you to customize the solution to meet your specific needs while maintaining scalability and flexibility for complex use cases.


Postgres Change Data Capture with DDL changes

Xata engineering lead, Esther, introduces us to pgstream -- an open source Change Data Capture (CDC) command-line tool and library that offers Postgres replication support with DDL changes to any provided output.

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Ready to see it in action?

Discover how Xata’s CDC and replication tools can transform your data synchronization workflow. Book a demo today to experience seamless integration between Postgres and Elasticsearch.

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