
    MyDumper and MyLoader are multi-threaded open source tools that enable efficient and parallel migration of very large MySQL databases to Amazon Aurora MySQL by offering advanced features like compression, chunking, and optimized restore processes.


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This article provides a comprehensive guide to migrating very large databases (VLDBs) to Amazon Aurora MySQL using the open-source tools MyDumper and MyLoader. The key points include:
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<li>MyDumper and MyLoader offer multi-threaded capabilities for faster database migration compared to traditional tools like mysqldump</li>
<li>Key optimization techniques include:
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<li>Using parallel threads for backup and restore</li>
<li>Splitting large table backups into smaller files</li>
<li>Compressing backup files (preferably using zstd)</li>
<li>Using flat files for faster import</li>
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<li>Benchmark tests showed MyDumper and MyLoader significantly outperform mysqldump in backup and restore operations</li>
<li>Alternative migration options include AWS Database Migration Service (AWS DMS)</li>
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The article emphasizes the importance of carefully configuring migration parameters like thread count, batch size, and compression to optimize performance when migrating very large databases to Amazon Aurora MySQL.
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