DTLE 4.22.07.2 Release Notes – New Features, Fixes and Resources

DTLE 4.22.07.2 Release Notes

The open‑source data transfer component DTLE (Data Transfer Layer Engine) version 4.22.07.2 has been released. DTLE is designed for MySQL, targeting its usage characteristics and supporting multiple scenarios to ensure data transfer quality, adapt to complex environments, and offer diverse functionalities.

Project Overview

DTLE is an open‑source data transmission component from the Aikesheng community, focused on MySQL data transfer. It aims to solve quality assurance, complex scenario adaptation, and feature richness for MySQL applications.

Resources

Repository: https://github.com/actiontech/dtle

Documentation: https://actiontech.github.io/dtle-docs-cn/

Release Information: https://github.com/actiontech/dtle/releases

Tip: It is recommended to download the latest release. For RHEL/CentOS use the RPM package; for other Linux distributions use the tarball or run via Docker.

Update List

New Features

Incremental: Large transactions – added a pipeline layer to improve performance (issue #1018).

Incremental: Merged continuous inserts on the source side, boosting performance (issue #829-3). Continuous inserts on the same table can improve performance by 2–4×.

Full/Incremental: Split transmission of overly large data volumes (issue #923). Prevents job stalls caused by inability to allocate large contiguous memory blocks. Introduces new configuration item DumpEntryLimit .

Fixes

Resolved a potential issue where a task could not close after encountering an error (issue #1021).

Recommended Reading

How to Enable HTTPS Access Mode for DTLE

Synchronizing MySQL Data to DBLE with DTLE

How to Configure Failover Domains in DTLE

DTLE Parallel Replay Performance Test Report

For more articles about DTLE, follow the official WeChat public account and check the “Community Information → Open‑Source Products” menu.

Official QQ group: 852990221