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DBLE

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Aikesheng Open Source Community
Aikesheng Open Source Community
Nov 2, 2023 · Databases

DBLE 3.23.08.0 Release Notes: New Features, Bug Fixes, and LTS Updates

The DBLE 3.23.08.0 release notes detail the project's overview, introduce five major feature enhancements—including hybrid OLAP/OLTP load support and internal thread hang detection—list numerous bug fixes, incompatibility adjustments, and summarize LTS version patches across several minor releases.

Bug FixesDBLEDatabase Middleware
0 likes · 9 min read
DBLE 3.23.08.0 Release Notes: New Features, Bug Fixes, and LTS Updates
Aikesheng Open Source Community
Aikesheng Open Source Community
Aug 17, 2023 · Operations

Setting Up Grafana and Prometheus Monitoring for DBLE JVM Metrics Using Docker

This tutorial explains how to use Docker to deploy DBLE, Prometheus, and Grafana, configure JMX Exporter for JVM metrics, and create a monitoring dashboard that visualizes CPU, memory pool, GC, and thread statistics of DBLE instances.

DBLEDockerGrafana
0 likes · 10 min read
Setting Up Grafana and Prometheus Monitoring for DBLE JVM Metrics Using Docker
Aikesheng Open Source Community
Aikesheng Open Source Community
Jun 20, 2023 · Databases

DBLE 3.23.04.0 Release Notes: New Features, Bug Fixes, and LTS Updates

The DBLE 3.23.04.0 release introduces six new or refactored features, fixes over five critical community issues and more than a hundred bugs, adjusts TCP keep‑alive parameters, adds experimental configuration support, and provides detailed LTS version updates and incompatibility notes for users.

DBLEDatabase MiddlewareRead-Write Splitting
0 likes · 8 min read
DBLE 3.23.04.0 Release Notes: New Features, Bug Fixes, and LTS Updates
Aikesheng Open Source Community
Aikesheng Open Source Community
Jan 14, 2023 · Databases

Weekly Community Tech Summary: DBLE, MySQL, and SQLE Updates

This weekly community bulletin curates high‑quality technical shares and release notes from the MySQL and DBLE ecosystems, highlighting new features, bug fixes, and upcoming development plans while inviting reader feedback and questions about the middleware tools.

CommunityDBLEDatabase
0 likes · 4 min read
Weekly Community Tech Summary: DBLE, MySQL, and SQLE Updates
Aikesheng Open Source Community
Aikesheng Open Source Community
Jan 12, 2023 · Databases

DBLE 3.22.11.0 Release Notes – New Features, Bug Fixes, and LTS Updates

The article provides a detailed overview of DBLE version 3.22.11.0, covering project background, major new functionalities such as master‑slave delay detection and audit logs, a full list of release notes, bug fixes, incompatibility changes, and subsequent LTS patch updates.

Bug FixesDBLEDatabase Middleware
0 likes · 7 min read
DBLE 3.22.11.0 Release Notes – New Features, Bug Fixes, and LTS Updates
Aikesheng Open Source Community
Aikesheng Open Source Community
Dec 12, 2022 · Backend Development

Investigating Off‑Heap Memory Leak in Dble Using Java NIO and BTrace

This article walks through a real‑world case of off‑heap memory leakage in the Dble proxy, detailing symptom observation, log analysis, monitoring, BTrace instrumentation, code review, and the eventual fix that delays buffer allocation until needed.

BTraceBackendDBLE
0 likes · 11 min read
Investigating Off‑Heap Memory Leak in Dble Using Java NIO and BTrace
Aikesheng Open Source Community
Aikesheng Open Source Community
Sep 29, 2022 · Databases

Understanding ON vs WHERE in MySQL LEFT JOIN and DBLE Execution Plans

This article explains the difference between ON and WHERE clauses in MySQL LEFT JOIN, illustrates why a proposed optimization for DBLE sharding does not work, and provides practical examples and pseudo‑code to clarify how MySQL processes left joins.

DBLEDatabaseLEFT JOIN
0 likes · 8 min read
Understanding ON vs WHERE in MySQL LEFT JOIN and DBLE Execution Plans
Aikesheng Open Source Community
Aikesheng Open Source Community
Sep 17, 2022 · Databases

Weekly Community Tech Digest: DBLE, DTLE, SQLE Updates and Featured Articles

This weekly digest curates top community technical articles and release notes, highlighting PostgreSQL vs MySQL comparisons, architecture diagram tips, a six‑hour pagination incident, MySQL core‑dump handling, new DBLE features, DTLE performance boosts, and SQLE multi‑source audit enhancements.

DBLEDTLEMySQL
0 likes · 5 min read
Weekly Community Tech Digest: DBLE, DTLE, SQLE Updates and Featured Articles
Aikesheng Open Source Community
Aikesheng Open Source Community
Sep 15, 2022 · Databases

DBLE 3.22.07.0 Release Notes and Feature Overview

The article introduces the DBLE distributed middleware, outlines the main updates in version 3.22.07.0—including read‑write splitting local read, OpenSSL support, hint‑based query plan improvements—and provides the complete release notes, bug fixes, acknowledgments, and related learning resources.

DBLEDistributed MiddlewareOpenSSL
0 likes · 6 min read
DBLE 3.22.07.0 Release Notes and Feature Overview
Aikesheng Open Source Community
Aikesheng Open Source Community
Sep 5, 2022 · Databases

Investigation of DBLE "no handler" Log Entries and MySQL Connection‑Timeout Error Handling

This article investigates why DBLE repeatedly logs "no handler" messages by analyzing DBLE and MySQL logs, using Arthas to trace the call chain, reproducing the scenario with timeout settings, capturing network traffic, and explaining the MySQL 8.0.24 error‑packet behavior that leads to the observed logs.

ArthasConnection TimeoutDBLE
0 likes · 12 min read
Investigation of DBLE "no handler" Log Entries and MySQL Connection‑Timeout Error Handling
Aikesheng Open Source Community
Aikesheng Open Source Community
Aug 23, 2022 · Databases

DBLE Cache Mechanism: Primary‑Key Routing Issue, Diagnosis and Resolution

This article examines the DBLE distributed database middleware cache, reproduces a primary‑key update query that returns incomplete results due to stale routing cache, analyzes cache contents via the management console, explains the cache’s behavior and limitations, and shows how disabling the primary‑key cache restores correct query routing.

CacheDBLEDistributed Database
0 likes · 10 min read
DBLE Cache Mechanism: Primary‑Key Routing Issue, Diagnosis and Resolution
Aikesheng Open Source Community
Aikesheng Open Source Community
Aug 15, 2022 · Databases

Step-by-Step Migration of Large MySQL Datasets to DBLE Using TiDB DM

This article provides a comprehensive, code‑rich guide on using TiDB DM v2.0.7 to perform full and incremental migration of terabyte‑scale MySQL data to DBLE, covering environment setup, TiDB DM installation, DBLE configuration, data generation, task execution, verification, and important operational considerations.

DBLEMySQL migrationSQL
0 likes · 18 min read
Step-by-Step Migration of Large MySQL Datasets to DBLE Using TiDB DM
Aikesheng Open Source Community
Aikesheng Open Source Community
Jul 28, 2022 · Databases

Understanding Dble Startup Configuration Validation and Common Failure Cases (Version 3.22.01.0)

This article explains how Dble validates its configuration files during startup, lists the main configuration file types, and walks through typical startup failure examples—such as port conflicts, syntax errors, and backend MySQL connectivity issues—providing step‑by‑step troubleshooting guidance for new users.

DBLEDatabase MiddlewareMySQL
0 likes · 9 min read
Understanding Dble Startup Configuration Validation and Common Failure Cases (Version 3.22.01.0)
Aikesheng Open Source Community
Aikesheng Open Source Community
Jul 23, 2022 · Databases

Weekly Community News and Open‑Source Updates for DBLE, DTLE, and SQLE

This weekly roundup shares community and industry news, open‑source project updates, bug fixes, and upcoming plans for the DBLE distributed middleware, DTLE data‑transfer component, and SQLE SQL‑audit tool, along with links to detailed articles and recruitment notices.

Community UpdatesDBLEDTLE
0 likes · 6 min read
Weekly Community News and Open‑Source Updates for DBLE, DTLE, and SQLE
Aikesheng Open Source Community
Aikesheng Open Source Community
Jul 21, 2022 · Databases

Migrating from MyCat to DBLE: Parameter Settings, Sharding Functions, and SQL Compatibility

This article details a low‑impact migration from MyCat to DBLE, covering required parameter adjustments, sharding function replacement, data node handling, and business‑SQL compatibility issues, while providing concrete configuration examples and practical recommendations for a smooth transition.

DBLEMycatSQL Compatibility
0 likes · 7 min read
Migrating from MyCat to DBLE: Parameter Settings, Sharding Functions, and SQL Compatibility
Aikesheng Open Source Community
Aikesheng Open Source Community
Jul 14, 2022 · Backend Development

Introducing and Evaluating the DBLE Split Command for Accelerated Data Import

This article explains the DBLE split feature that partitions large mysqldump files according to sharding configuration, provides command syntax and usage examples, and presents a performance test showing that split‑based import can be up to 18 times faster than direct DBLE import while preserving data correctness.

DBLEMySQLSharding
0 likes · 12 min read
Introducing and Evaluating the DBLE Split Command for Accelerated Data Import
Aikesheng Open Source Community
Aikesheng Open Source Community
Jul 2, 2022 · Databases

Weekly Community Update: MySQL, DBLE, DTLE, and SQLE News and Progress

This weekly community newsletter summarizes the latest MySQL‑related articles, open‑source middleware updates for DBLE, DTLE and SQLE, bug fixes, feature developments, upcoming plans, and invites community feedback, providing a concise technical snapshot for database practitioners.

DBLEDTLEDatabase
0 likes · 4 min read
Weekly Community Update: MySQL, DBLE, DTLE, and SQLE News and Progress
Aikesheng Open Source Community
Aikesheng Open Source Community
Jun 28, 2022 · Databases

Quick Guide to Enabling Read‑Write Splitting in Dble (v3.20.10+)

This article explains how to configure Dble's read‑write splitting feature by preparing MySQL master‑slave instances, defining dbGroup and rwSplitUser in XML configuration files, reloading the settings, and verifying that write statements go to the primary node while reads are load‑balanced across replicas.

DBLEDatabase MiddlewareLoad Balancing
0 likes · 6 min read
Quick Guide to Enabling Read‑Write Splitting in Dble (v3.20.10+)
Aikesheng Open Source Community
Aikesheng Open Source Community
Jun 23, 2022 · Information Security

SSL Overview and DBLE SSL Configuration Guide

This article introduces the SSL protocol, explains why encryption is needed for database communication, and provides step‑by‑step instructions for generating self‑signed certificates with OpenSSL, converting them for Java, and configuring both DBLE server and client to use SSL, including experimental verification of encrypted versus unencrypted connections.

DBLEEncryptionJava
0 likes · 15 min read
SSL Overview and DBLE SSL Configuration Guide
Aikesheng Open Source Community
Aikesheng Open Source Community
Jun 8, 2022 · Databases

Fixing DBLE Docker Deployment: IP Subnet and Permission Issues

This guide walks through troubleshooting DBLE container deployment by adjusting Docker network subnets, correcting DBLE configuration IPs, and granting the necessary database permissions to ensure the logical schema is created without errors.

DBLEDatabase MiddlewareDocker
0 likes · 10 min read
Fixing DBLE Docker Deployment: IP Subnet and Permission Issues