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Use case

Zero-downtime migration

TwinCommit migrates a live database with zero downtime by taking a consistent snapshot, streaming every committed change from the log until the target is caught up, and verifying both sides before you cut over.

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Outcomes

✓Cutover in minutes, not maintenance weekends

✓Row-count and checksum verification built in

✓Instant rollback: keep replicating until you are confident

How it works

Zero-downtime migration with TwinCommit

  1. 1

    Snapshot

    Copy each table under a brief share lock while recording the exact log position.

  2. 2

    Stream

    Apply every committed change from that position onward, in commit order.

  3. 3

    Verify

    Compare contents with twincommit verify while production keeps running.

  4. 4

    Cut over

    Repoint the application once lag is zero.

Common routes for zero-downtime migration

→Oracle → PostgreSQL→Db2 → PostgreSQL→SQL Server → PostgreSQL→MySQL → PostgreSQL→Oracle → MySQL→MariaDB → MySQL

More use cases

Real-time lakehouseMainframe offloadDisaster recoveryLegacy modernizationCache & search sync

Replicate your first table in five minutes.

Download the free Developer edition, or have one of our replication engineers walk you through a migration plan.

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