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Migrate very large databases to Amazon Aurora MySQL using MyDumper and MyLoader
- Amazon Aurora is a cloud-based relational database compatible with MySQL and PostgreSQL, providing high performance and availability.
- Migrating very large MySQL databases to Amazon Aurora MySQL-Compatible Edition offers benefits like scalability and cost-effectiveness.
- MyDumper and MyLoader tools are recommended for migrating large databases, offering multi-threaded capabilities for better performance.
- MyDumper allows for concurrent data export/import, splitting large tables into smaller chunks, and customizable transaction sizes.
- Key optimizations for MyDumper include using parallel threads, splitting large table backups, compressing backup files, and using flat files for backup.
- MyLoader complements MyDumper by offering fast data loading into MySQL databases, supporting multi-threaded execution and transactional support.
- Optimizing MyLoader restore process involves utilizing parallel threads, optimizing batch sizes, index management, and fine-tuning transaction parameters.
- Benchmark results show that MyDumper outperforms mysqldump in backup speed with different thread configurations.
- MyLoader restores databases to Aurora MySQL faster than mysqldump, requiring less time for similar tasks.
- Detailed instructions on using MyDumper and MyLoader, including optimizing backup and restore processes, are provided in the article.
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