Posts
All the articles I've posted.
Distributed Transactions with Seata: Installing Seata Server and Using AT Mode
A rollback problem involving calls between Spring Cloud microservices introduces Seata Server installation, database storage configuration, and Eureka registration. AT mode, the undo_log table, and a global transaction annotation are then used to verify rollback after an exception in a cross-service call.
MySQL Primary-Replica Replication: Detailed Setup and Troubleshooting Replicas That Stop Synchronizing
Sets up primary-replica replication using multiple local MySQL instances and introduces replication threads, binlog formats, and configuration steps. Based on actual errors, it covers authentication failures and replicas that stop synchronizing, and discusses asynchronous and semisynchronous replication and common replication topologies.
Using Docker: Building a CentOS Image with Java and Maven
Using Docker on macOS, this article records building a CentOS image with a Dockerfile and configuring Java and Maven. It also covers container users, running a Java application, and saving, tagging, pushing, and pulling the custom image.
Migrating SQL Server Data to MySQL: Connection Troubleshooting and Bulk Imports
This article records a SQL Server-to-MySQL migration with Navicat and troubleshooting when the server refuses connections. It also covers MySQL file imports and exports, directory permissions, delimiters, duplicate handling, and default field values during bulk imports.