DTLE 2.19.07.0 Release Notes – Features, Improvements, and Bug Fixes
The DTLE 2.19.07.0 release introduces cross‑data‑center transfer, cloud synchronization, data aggregation, subscription, bidirectional replication, performance improvements such as reduced CPU usage and tracing, and a series of bug fixes including connection leaks, NATS address handling, large‑transaction handling, and MySQL 8.0 compatibility warnings.
DTLE 2.19.07.0 was released on August 14 as the latest open‑source data transfer component targeting MySQL and supporting multiple usage scenarios.
Project Overview
DTLE aims to ensure high‑quality data transmission, adapt to complex environments, and provide diverse functions for MySQL applications.
Key Capabilities
Cross‑data‑center reliable transfer with link compression to lower costs.
Cloud‑to‑cloud data sync/migration for disaster recovery.
Data aggregation from multiple sources into a single sink for analysis or dump.
Data subscription by pushing change events to Kafka or other middleware.
Bidirectional replication across data centers to enable dual‑write scenarios.
Official Resources
Project: https://github.com/actiontech/dtle
Documentation: https://actiontech.github.io/dtle-docs-cn/
Download: https://github.com/actiontech/dtle/releases (recommended to use the latest release tarball; source code available for custom builds).
Improvements / Features
Reduced CPU usage during full‑data copy process (issue #402).
Added tracing mechanism to locate performance problems (issue #477).
Bug Fixes
Fixed connection leakage after job removal (issue #41).
Correct usage of BindAddr and AdvertiseAddr for NATS (issues #452, #367).
Cleared residual error messages after job resume (issue #479).
Handled immediate failure when used with MySQL 8.0 (note: MySQL 8.0 not yet fully tested).
Job now fails gracefully instead of OOM crash when a transaction is too large (issue #462).
Resolved several table renaming (mapping) issues (issues #461, #470).
For the full original release notes, see the GitHub releases page linked above.
Aikesheng Open Source Community
The Aikesheng Open Source Community provides stable, enterprise‑grade MySQL open‑source tools and services, releases a premium open‑source component each year (1024), and continuously operates and maintains them.
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