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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 3.10.3 is released. This release includes 30 bug fixes and 7 improvements. Here are some issues to highlight:

  • Support for Java 11 and 12
  • DbExport option to exclude tables
  • Sync data for table names with special characters
  • Fixed purging of incoming batches immediately for initial load
  • Fixed syncing of data when primary key includes binary type
  • Reduced number of threads used in ack service
  • Support for sticky session with AWS ELB
  • Fixed enums for table creation on MySQL
  • Fixed miscellaneous DbCompare bugs

See the 3.10.3 change log for more details.

Latest Release

SymmetricDS 3.11.7 is now available! Released on 2020-03-17.

There were 361 downloads this week.

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  • Load Testing of Data Replication
    Written by Eric Long

    Load testing of database replication finds the upper limit of how well the system can perform, and it provides assurance that replication will make it through times of peek usage. Let's look at how to simulate production activity for SymmetricDS data replication in a lower environment so you can deploy with confidence.

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