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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 3.10.5 is released. This release includes 14 bug fixes and 12 improvements. Here are some issues to highlight:

  • Optimized pull to close connections sooner
  • Added support for security definer on Postgres
  • Better handling of zero date conversion on MySQL
  • Fixed dialect detection and upgrade on DB2 for i, AS/400
  • Fixed case where initial load could get stuck
  • Fixed registration race condition
  • Purge performance improvement on stranded data
  • Option to skip rows with excessively large LOBs
  • Listener API extension for initial load at target

Download SymmetricDS 3.10.5 now!

See the 3.10.5 change log for more details.

Latest Release

SymmetricDS 3.11.3 is now available! Released on 2020-01-02.

There were 378 downloads this week.

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  • Common Batches Just Got Better
    Written by Eric Long

    Common batch mode was enhanced in SymmetricDS 3.11 to allow any group of nodes to share batches. Let's look at what common batches are and why this is a big deal for database replication with more than a couple nodes.

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Code Commits

  • rev 0e232aa by Eric Long
    1:23pm, 22 Jan 20
    Merge remote-tracking branch 'origin/3.10' into 3.11 Conflicts: symmetric-io/src/main/java/org/jumpmind/symmetric/io/data/writer/DefaultDatabaseWriter.java symmetric-jdbc/src/main/java/org/jumpmind/db/platform/mssql/MsSqlDdlReader.java
  • rev c3203fe by Eric Long
    1:11pm, 22 Jan 20
    0004259: Custom delete statement during initial load is overridden
  • rev 21d480c by Eric Long
    11:16am, 22 Jan 20
    0004257: Wizard list of tables for auto-create triggers is empty on SQL-Server
  • rev 00dc7d5 by Philip Marzullo
    11:12am, 22 Jan 20
    0004256: Oracle trigger creates row data and old data when streaming row
  • rev 34c19f0 by Hicks, Josh
    4:24pm, 21 Jan 20
    Merge 3.10 to 3.11
  • rev d4a37e9 by Hicks, Josh
    3:56pm, 21 Jan 20
    Merge remote-tracking branch 'origin/3.10' into 3.11 Conflicts: symmetric-client/src/main/java/org/jumpmind/symmetric/ClientSymmetricEngine.java symmetric-core/src/main/java/org/jumpmind/symmetric/common/ParameterConstants.java symmetric-core/src/main/java/org/jumpmind/symmetric/service/impl/RouterService.java symmetric-db/src/main/java/org/jumpmind/db/platform/DatabaseNamesConstants.java symmetric-io/src/main/java/org/jumpmind/symmetric/io/data/writer/DefaultDatabaseWriterConflictResolver.java
  • rev 5902094 by Hicks, Josh
    12:55pm, 21 Jan 20
    0004255: HBase data loader using HBase client API