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Top Architect
Top Architect
Mar 30, 2026 · Backend Development

Why Upgrading to MyBatis‑Plus Breaks LocalDateTime Mapping and How to Fix It

A newcomer replaced MyBatis with MyBatis‑Plus in an old MySQL‑based project, triggering a "Conversion not supported for type java.time.LocalDateTime" error, which was traced to MyBatis 3.5.1 dropping built‑in type handling and an outdated mysql‑connector‑java, and resolved by upgrading the connector and adjusting validation logic.

ConnectorLocalDateTimeMyBatis
0 likes · 10 min read
Why Upgrading to MyBatis‑Plus Breaks LocalDateTime Mapping and How to Fix It
Alibaba Cloud Developer
Alibaba Cloud Developer
Oct 17, 2025 · Databases

Explore PolarDB‑X v2.4.2: New Proxy, Multi‑Language Connectors, and High‑Performance Features

PolarDB‑X version 2.4.2 introduces a Java‑based proxy, multi‑language client drivers, enhanced HA switching, MySQL‑compatible replication, performance testing results, and the open‑source MCP server for AI integration, providing a comprehensive overview of the latest distributed database capabilities.

ConnectorMCP ServerMySQL replication
0 likes · 19 min read
Explore PolarDB‑X v2.4.2: New Proxy, Multi‑Language Connectors, and High‑Performance Features
Efficient Ops
Efficient Ops
Jun 3, 2024 · Databases

How Does MySQL Execute a Query? Inside the Server Architecture

This article walks through how MySQL processes a SELECT query, detailing the server and storage engine layers, the roles of the connector, query cache, parser, optimizer, and executor, and provides practical command‑line examples to illustrate each step.

ConnectorDatabase ArchitectureExecutor
0 likes · 11 min read
How Does MySQL Execute a Query? Inside the Server Architecture
Code Ape Tech Column
Code Ape Tech Column
May 31, 2023 · Backend Development

Tomcat Performance Tuning Guide: Core Components and Key Parameters

This article explains Tomcat's component architecture, describes the three critical parameters (maxThreads, maxConnections, acceptCount) that affect request handling, and provides practical tuning recommendations to improve backend performance without additional hardware costs.

BackendConnectorServer Configuration
0 likes · 11 min read
Tomcat Performance Tuning Guide: Core Components and Key Parameters
StarRocks
StarRocks
May 26, 2023 · Big Data

How SeaTunnel’s StarRocks Connector Enables High‑Performance Data Sync

This article explains SeaTunnel’s architecture and its StarRocks connector, detailing source and sink features such as field projection, predicate push‑down, parallel reading, state recovery, data type mapping, Stream Load writes, CDC support, configuration examples, and future roadmap for exactly‑once semantics.

Big DataConnectorData Integration
0 likes · 16 min read
How SeaTunnel’s StarRocks Connector Enables High‑Performance Data Sync
DataFunTalk
DataFunTalk
Feb 2, 2023 · Big Data

SeaTunnel: Design Goals, Current Status, Architecture, and Future Roadmap

This article provides a comprehensive overview of Apache SeaTunnel, covering its design objectives, current capabilities such as multi‑engine support and extensive connector ecosystem, detailed architecture including engine‑independent APIs and execution flows, and outlines the upcoming roadmap to expand connectors, launch a visual web UI, and introduce a dedicated SeaTunnel Engine.

ApacheBatch ProcessingBig Data
0 likes · 12 min read
SeaTunnel: Design Goals, Current Status, Architecture, and Future Roadmap
DataFunSummit
DataFunSummit
Dec 22, 2022 · Big Data

SeaTunnel: An Open‑Source Ultra‑Scale Data Integration Platform – Design Goals, Architecture, and Future Roadmap

This article introduces SeaTunnel, an open‑source ultra‑large‑scale data integration platform, covering its design objectives, current status with over 50 connectors and multi‑engine support, overall architecture, execution flow, connector translation, source and sink APIs, global commit strategies, table & catalog APIs, and the upcoming roadmap for connector expansion, a web UI, and a dedicated engine.

Big DataConnectorSeaTunnel
0 likes · 10 min read
SeaTunnel: An Open‑Source Ultra‑Scale Data Integration Platform – Design Goals, Architecture, and Future Roadmap
政采云技术
政采云技术
Dec 20, 2022 · Big Data

An Introduction to Presto: Origins, Features, Architecture, and Quick‑Start Deployment Guide

This article explains Presto’s origin as Facebook’s open‑source OLAP engine, outlines its key characteristics, advantages and drawbacks, describes its overall architecture and query flow, and provides a step‑by‑step guide for downloading, configuring, and launching a Presto cluster for fast interactive analytics.

ConnectorDeploymentPresto
0 likes · 16 min read
An Introduction to Presto: Origins, Features, Architecture, and Quick‑Start Deployment Guide
Alibaba Cloud Native
Alibaba Cloud Native
Dec 9, 2022 · Cloud Native

How to Build a Low‑Cost, High‑Throughput Serverless Message Consumer on Alibaba Cloud

This guide explains how to use Alibaba Cloud's Serverless Function Compute together with Message Service and Connector to create a cost‑effective, high‑throughput, low‑latency message‑consumption pipeline, covering architecture, key features, step‑by‑step configuration, code examples, and best‑practice recommendations.

Alibaba CloudCloud NativeConnector
0 likes · 18 min read
How to Build a Low‑Cost, High‑Throughput Serverless Message Consumer on Alibaba Cloud
Alibaba Cloud Native
Alibaba Cloud Native
Sep 29, 2022 · Cloud Native

Why Use RocketMQ Connect for Scalable Data Pipelines?

This article explains the challenges of point‑to‑point data sync, introduces RocketMQ Connect as a cloud‑native solution that decouples upstream and downstream, details its architecture, connectors, REST API, metrics, deployment modes, and provides a step‑by‑step guide to building custom connectors for use cases such as CDC, data lakes, and system migration.

CDCCloud NativeConnector
0 likes · 19 min read
Why Use RocketMQ Connect for Scalable Data Pipelines?
Su San Talks Tech
Su San Talks Tech
Aug 1, 2022 · Backend Development

Master Tomcat Performance: Key Components and Tuning Tips for Max Throughput

This article explains Tomcat’s internal component architecture, walks through the request‑processing flow, and details three crucial configuration parameters—maxThreads, maxConnections, and acceptCount—offering practical formulas and tuning guidelines to improve throughput without adding hardware.

BackendConnectorServer Configuration
0 likes · 12 min read
Master Tomcat Performance: Key Components and Tuning Tips for Max Throughput
Senior Brother's Insights
Senior Brother's Insights
May 4, 2022 · Backend Development

Inside Tomcat: Architecture, Lifecycle, Connectors, and Asynchronous Processing Explained

This article provides a comprehensive technical overview of Apache Tomcat, covering its role as a Java EE servlet container, internal components such as Server, Service, Connector, and Container, lifecycle management, startup sequence, deployment configuration, JSP engine, connector types, NIO processing, Comet, and asynchronous servlet handling.

AsynchronousConnectorLifecycle
0 likes · 23 min read
Inside Tomcat: Architecture, Lifecycle, Connectors, and Asynchronous Processing Explained
DataFunTalk
DataFunTalk
Apr 20, 2022 · Big Data

OpenMLDB Pulsar Connector: A Real‑time Data Integration Guide

This article presents a step‑by‑step tutorial on using the OpenMLDB Pulsar Connector to stream real‑time data from Apache Pulsar into OpenMLDB, covering connector architecture, key features, Docker‑based installation, sink configuration, schema registration, message production, verification queries, and future roadmap details.

Apache PulsarConnectorData Integration
0 likes · 13 min read
OpenMLDB Pulsar Connector: A Real‑time Data Integration Guide
Huawei Cloud Developer Alliance
Huawei Cloud Developer Alliance
Apr 6, 2022 · Big Data

What’s New in openLooKeng 1.6.0? Key Performance Boosts and Features

openLooKeng 1.6.0 introduces major enhancements such as faster data persistence with Kryo serialization, HDFS spill support, improved connector capabilities, low‑latency features like Star Tree indexing and cube updates, and a refined task recovery mechanism that reduces failure detection time, delivering a more reliable and high‑performance big‑data engine.

ConnectorData PersistenceopenLooKeng
0 likes · 5 min read
What’s New in openLooKeng 1.6.0? Key Performance Boosts and Features
Alibaba Cloud Developer
Alibaba Cloud Developer
Apr 2, 2022 · Big Data

What’s New in Flink CDC 2.2? A Deep Dive into Added Sources and Core Features

The article introduces Flink CDC 2.2, highlighting its expanded support for twelve data sources—including OceanBase, PolarDB‑X, SqlServer, and TiDB—while detailing core features such as the incremental snapshot framework, multi‑version Flink compatibility, dynamic table addition, and numerous bug fixes and performance improvements.

Apache FlinkChange Data CaptureConnector
0 likes · 9 min read
What’s New in Flink CDC 2.2? A Deep Dive into Added Sources and Core Features
Top Architect
Top Architect
Feb 7, 2022 · Backend Development

Understanding Tomcat: Architecture, Components, Lifecycle, Connectors, and Asynchronous Servlets

This article provides a comprehensive overview of Tomcat, covering its role as a Java web server, internal components such as Server, Service, Connector and Container, lifecycle management, deployment methods, connector implementations (BIO, NIO, APR), Comet support, and asynchronous servlet processing, with code examples for thread handling.

Asynchronous ServletConnectorServlet Container
0 likes · 20 min read
Understanding Tomcat: Architecture, Components, Lifecycle, Connectors, and Asynchronous Servlets
Big Data Technology Architecture
Big Data Technology Architecture
Nov 2, 2021 · Big Data

Comprehensive Guide to FlinkSQL and Table API: Background, Dependencies, Planners, and Usage

This article provides a detailed introduction to FlinkSQL, covering its background, the Table API, required dependencies, differences between old and Blink planners, various API usage patterns, connector configurations for CSV, Kafka, Elasticsearch, MySQL, and how to convert between DataStream and Table in Flink's unified batch‑stream processing model.

ConnectorDataStreamFlinkSQL
0 likes · 23 min read
Comprehensive Guide to FlinkSQL and Table API: Background, Dependencies, Planners, and Usage
Open Source Linux
Open Source Linux
Oct 8, 2021 · Backend Development

Tomcat Deep Dive: Java Servlet Container Architecture & Lifecycle

Tomcat is an open‑source Java web server that implements core Java EE specifications such as Servlets and JSPs, and its architecture comprises containers like Server, Service, Connector, and Catalina, each with components (Engine, Host, Context, Wrapper) that manage lifecycle stages, request processing pipelines, valves, connectors (BIO/NIO/APR), JSP compilation, and asynchronous servlet handling.

Asynchronous ServletConnectorJSP
0 likes · 18 min read
Tomcat Deep Dive: Java Servlet Container Architecture & Lifecycle
MaGe Linux Operations
MaGe Linux Operations
Oct 2, 2021 · Backend Development

Inside Tomcat: Architecture, Lifecycle, Connectors, and Advanced Features

This article provides a comprehensive overview of Tomcat, covering its role as an open‑source Java web server, the internal components such as Server, Service, Connector, and Container, lifecycle management, servlet and JSP processing, connector types, pipeline/valve mechanisms, Comet push, and asynchronous servlet support.

AsyncConnectorJSP
0 likes · 19 min read
Inside Tomcat: Architecture, Lifecycle, Connectors, and Advanced Features
IT Architects Alliance
IT Architects Alliance
Sep 15, 2021 · Backend Development

Inside Tomcat: Unveiling Its Architecture, Lifecycle, and Connector Mechanics

This article provides a comprehensive technical deep‑dive into Apache Tomcat, covering its role as a Java EE web server, core components such as Server, Service, Connector, Container, the detailed lifecycle management, servlet and JSP processing, various connector implementations, NIO handling, Comet push technology, and asynchronous servlet support.

AsyncCometConnector
0 likes · 21 min read
Inside Tomcat: Unveiling Its Architecture, Lifecycle, and Connector Mechanics
Beike Product & Technology
Beike Product & Technology
Dec 10, 2020 · Big Data

Overview and Practical Guide to Debezium MongoDB Source Connector

This article explains how Debezium's MongoDB Source Connector captures change events from replica sets or sharded clusters, streams them to Kafka topics, and provides detailed configuration, deployment, monitoring, and troubleshooting steps for building reliable change‑data‑capture pipelines.

Change Data CaptureConnectorDebezium
0 likes · 11 min read
Overview and Practical Guide to Debezium MongoDB Source Connector
Huolala Tech
Huolala Tech
Nov 3, 2020 · Information Security

Real-Time Linux Process Auditing with Netlink Connector and ncp

This article explains how the Linux netlink connector, together with a lightweight user‑space ncp program, can audit all process events in real time, enabling detailed host security monitoring, detection of intrusion behaviors such as reverse shells, and reconstruction of attack chains through captured exec, fork, and exit data.

ConnectorHost SecurityLinux
0 likes · 12 min read
Real-Time Linux Process Auditing with Netlink Connector and ncp
21CTO
21CTO
Oct 13, 2020 · Databases

Master Python‑MariaDB Integration: Connect, Query, and Manage Data Efficiently

This guide walks you through installing the MariaDB Python connector, establishing a secure connection, executing SELECT and INSERT statements, handling transactions and errors, and properly closing the connection, providing a complete workflow for Python developers working with MariaDB databases.

ConnectorError HandlingMariaDB
0 likes · 4 min read
Master Python‑MariaDB Integration: Connect, Query, and Manage Data Efficiently
Xianyu Technology
Xianyu Technology
May 23, 2019 · Mobile Development

Understanding the Connector in fish_redux: Architecture and Code Walkthrough

Fish_redux introduces a hierarchical connector that links a child Component to a filtered slice of its parent’s state, using get and set operations to extract and merge sub‑state, enabling efficient, low‑coupling data flow similar to React‑Redux’s connect but within a strict component tree.

ConnectorFlutterState Management
0 likes · 8 min read
Understanding the Connector in fish_redux: Architecture and Code Walkthrough
Java Backend Technology
Java Backend Technology
Aug 24, 2018 · Backend Development

Mastering Tomcat: A Deep Dive into Its Top‑Level Architecture

This article explains Tomcat’s overall architecture, detailing the relationships among Server, Service, Connector, and Container, and describes how requests flow through ProtocolHandlers, Pipelines, and Valves to reach servlets and return responses.

ConnectorContainerServer Architecture
0 likes · 10 min read
Mastering Tomcat: A Deep Dive into Its Top‑Level Architecture
dbaplus Community
dbaplus Community
Feb 7, 2018 · Backend Development

Unraveling Tomcat’s Core Architecture: From Server to Container

This article breaks down Tomcat’s modular architecture, explaining how a single Server contains multiple Services, each pairing Connectors and a Container, and details the inner workings of Connectors, Containers, and their pipeline‑Valve processing to help developers master Tomcat internals.

ConnectorContainerServer Architecture
0 likes · 12 min read
Unraveling Tomcat’s Core Architecture: From Server to Container
Architecture Digest
Architecture Digest
Aug 28, 2016 · Backend Development

Understanding the Core Architecture of Apache Tomcat: Connectors, Containers, Services, and Lifecycle Management

This article provides a comprehensive overview of Apache Tomcat's modular architecture, detailing the roles and interactions of Connectors, Containers, Services, Servers, and the Lifecycle interface, while illustrating key implementation classes and code snippets that govern request handling and component management.

BackendConnectorContainer
0 likes · 17 min read
Understanding the Core Architecture of Apache Tomcat: Connectors, Containers, Services, and Lifecycle Management
ITPUB
ITPUB
Mar 2, 2016 · Databases

How to Connect C++ to MySQL on CentOS and Fix Common Build Errors

This guide walks through the typical problems faced when linking C++ applications to MySQL on CentOS—missing Boost headers and undefined driver references—and provides step‑by‑step solutions, including installing Boost, adjusting compile commands, and a working connection code sample.

BoostC++CentOS
0 likes · 4 min read
How to Connect C++ to MySQL on CentOS and Fix Common Build Errors