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Amazon RDS for MySQL to BigQuery, in real time

Replicate Amazon RDS for MySQL into BigQuery in real time. Turn on the binary log with a parameter group, create a read-only user, and every change streams into BigQuery within seconds.

Start free How CDC works
Setup time
About 15 minutes
Restart needed
Yes: attaching a new parameter group requires a reboot.
Binary log retention
CALL mysql.rds_set_configuration('binlog retention hours', 72);

Set up Amazon RDS for change data capture

The in-app guide shows each of these with exact clicks and copy-paste commands, then tests the connection.

  1. 1

    Turn on automated backups

    RDS writes the binary log only while automated backups are on. Modify the instance and set a backup retention period of at least 1 day.

  2. 2

    Create a DB parameter group

    Create a parameter group for your MySQL version and set binlog_format = ROW and binlog_row_image = full.

  3. 3

    Attach it and reboot

    Attach the parameter group to the instance and reboot when the status shows pending-reboot. This causes a few minutes of downtime, so pick a quiet time.

  4. 4

    Keep binary logs for 3 days

    RDS deletes binary logs quickly by default. Run CALL mysql.rds_set_configuration('binlog retention hours', 72); as the admin user.

  5. 5

    Allow network access

    Make the instance reachable and add an inbound rule for port 3306 from our IP addresses to its security group.

  6. 6

    Connect BigQuery and pick tables

    Upload a service-account key, choose the tables, and start. Existing rows are copied first; after that every insert, update and delete arrives within seconds. See BigQuery setup.

What you get in BigQuery

  • An up-to-date copy of each table with the same primary key, optionally partitioned by date.
  • A change history of every insert, update and delete in a separate dataset, kept as long as you choose.
  • New columns added automatically, and per-table freshness you can monitor.

Amazon RDS questions

Do I need a read replica?

No. Changes are read from the primary's binary log with a read-only user; a replica isn't required.

Why are automated backups required?

RDS only writes the binary log while automated backups are enabled, and change data capture reads that log.

Your MySQL data in BigQuery today

Free during early access. Set it up yourself in about 15 minutes, or we'll do it with you on a call.

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