The modern IBM InfoSphere CDC alternative
for log-based CDC.
TwinCommit is a single-binary change data capture engine that teams evaluate as an IBM InfoSphere CDC alternative. It captures from Db2, Oracle, SQL Server, MySQL, PostgreSQL, MongoDB and SAP HANA logs and applies to relational, lakehouse and streaming targets with exactly-once delivery.
TwinCommit at a glance
- 0 objectsinstalled in your source database
- Exactly-oncecheckpoint commits with the data
- 1 binaryno JVM, manager or agents
- 22 connectorscovering the top 15 databases
- MCP serveroperate it from Claude, Copilot or Cursor
Why teams choose TwinCommit
What you get when you move off IBM InfoSphere CDC
Minutes to first row
Download, twincommit check, twincommit snapshot, twincommit run.
Observable by default
A /metrics endpoint with lag, open transactions, broken tables and per-operation counters.
Crash-safe
The checkpoint is committed with the data. Kill -9 mid-transaction and it resumes without loss or duplication.
AI-assisted ops
The TwinCommit MCP server lets your assistant inspect pipelines, explain errors and re-snapshot tables.
Evaluation checklist
Questions to ask in any IBM InfoSphere CDC evaluation
Here is how TwinCommit answers each one. Put the same questions to every vendor on your shortlist.
| Question | TwinCommit |
|---|---|
| What has to be installed or enabled inside the source database? | ✓Nothing beyond standard logging settings. No triggers, capture tables, shadow tables or stored procedures. |
| How is exactly-once delivery guaranteed after a crash? | ✓The checkpoint is committed in the same target transaction as the data, so a restart never loses or repeats a transaction. |
| Are transactions applied in source commit order? | ✓Yes. Changes are buffered per transaction and applied at commit, in commit order. Rolled-back work never reaches the target. |
| What runs on the replication host? | ✓One static binary. No JVM, no application server, no separate manager process. |
| Does one product cover relational, NoSQL, warehouse and streaming targets? | ✓Yes. Oracle, MySQL, SQL Server, PostgreSQL, MongoDB, Cassandra, Redis, Elasticsearch, Snowflake, Databricks, Synapse, BigQuery, Redshift, S3/ADLS/GCS data lakes, Spark, Hive and Kafka all use the same pipeline format. |
| How do operators manage it day to day? | ✓CLI, Prometheus metrics and a built-in MCP server, so you can check lag, restart pipelines and re-snapshot tables from Claude, Copilot or Cursor. |
| How is it licensed? | ✓Flat per source database. Not per core, not per row, and not per target. |
| How long to the first replicated row? | ✓Minutes: twincommit check, twincommit snapshot, twincommit run. |
Migration path
From IBM InfoSphere CDC to TwinCommit in three steps
No big-bang cutover. Your source database doesn't change.
- 1
Map datastores
Each source and target datastore becomes a
source:andtarget:block in a pipeline file. - 2
Parallel run
Stand up TwinCommit next to the existing instance and compare with
twincommit verify. - 3
Retire
Cut consumers over and decommission the old agents.
TwinCommit vs IBM InfoSphere CDC: FAQ
Is InfoSphere CDC the same as IIDR?
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IBM packages CDC within InfoSphere Data Replication. See our IBM IIDR alternative page for a Db2-focused comparison.
Does TwinCommit support Db2 for z/OS?
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Yes. TwinCommit captures from Db2 for z/OS 12 and 13 in addition to Db2 LUW.
More comparisons
IBM InfoSphere CDC is a trademark of IBM. TwinCommit is not affiliated with or endorsed by IBM. This page describes TwinCommit's capabilities. Ask each vendor to confirm how their product handles the questions above.
Run TwinCommit next to IBM InfoSphere CDC this week.
Download the free Developer edition, or have one of our replication engineers walk you through a migration plan.