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Fast & Flexible Database Replication

SymmetricDS is open source database replication software that focuses on features and cross platform compatibility.

Cross Platform
Replicate data across different platforms, with compatibility for many databases. Sync from any database to any database in a heterogeneous environment.
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Scale Out Performance
Optimized for performance and scalability, replicate thousands of databases asynchronously in near real time, and span replication across multiple tiers.
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Flexible Configuration
Configure which tables and columns to sync, and in which direction. Subset rows and distribute them across databases. Combine, filter, and transform data.
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SymmetricDS 3.9.17 was released, which includes 10 big fixes and 4 improvements. Here are some highlights:

  • Data type fixes for Oracle RAW, SQL-Server datetime2, and PostgreSQL tsvector
  • Cascade delete added to the table schema replication
  • Estimated counts of tables for faster setup of initial load
  • Fix tables from altering on each startup on PostgreSQL 10
See the change log for more details.

Latest Release

SymmetricDS 3.10.4 is now available! Released on 2019-08-23.

There were 328 downloads this week.

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  • Scaling SymmetricDS For Many Clients
    Written by Josh Hicks

    SymmetricDS was originally designed to support a use case with numerous client nodes spread out geographically in order to replicate to a centralized server.  The out of the box properties and configuration are optimized to support many other use cases and may not be sufficient when you need more than a couple dozen client nodes.   Check out some of the helpful hints below to assist in a successful synchronization rollout to numerous clients.

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