🥟 Dumpling

Dumpling is a tool and a Go library for creating an SQL dump from a MySQL-compatible database. It is intended to replace mysqldump and mydumper when targeting TiDB.

You may read the original design document. The end-user documentation is available here: en, zh, ja.

Features

Dumpling is in active development. Contributions are welcomed!

• SQL dump is split into multiple files (like mydumper) for easy management.
• Export multiple tables in parallel to speed up execution.
• Multiple output formats: SQL, CSV, ...
• Write to cloud storage (S3, GCS) natively
• Advanced table filtering

Any questions? Discord, Slack and other contact options can be found here

Building

0. Under directory tidb
1. Install Go 1.23.4 or above
2. Run make build_dumpling to compile. The output is in bin/dumpling.
3. Run make dumpling_unit_test to run the unit tests.
4. Run make dumpling_integration_test to run integration tests. For integration test:

• The following executables must be copied or generated or linked into these locations:
  • bin/sync_diff_inspector (download from tidb-enterprise-tools-latest-linux-amd64)
  • bin/tidb-server (download from tidb-master-linux-amd64)
  • bin/tidb-lightning (download from tidb-toolkit-latest-linux-amd64)
  • bin/minio (download from https://min.io/download)
  • Now, you can run sh ./dumpling/install.sh to get the above binary files.
• The following programs must be installed:
  • mysql (the CLI client)
• There must be a local mysql server listening on 127.0.0.1:3306, and an active user with no password that can be connected through this TCP address.

License

Dumpling is under the Apache 2.0 license. See the LICENSE file for details.