Networking

Scalable Transactions for Web Applications in the Cloud

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Executive Summary

Cloud computing platforms provide scalability and high availability properties for web applications but they sacrifice data consistency at the same time. However, many applications cannot afford any data inconsistency. The paper presents a scalable transaction manager for cloud database services to execute ACID transactions of web applications, even in the presence of server failures. The paper demonstrates the scalability of the system using a prototype implementation, and show that it scales lin-early to at least 40 nodes sustaining a maximum throughput of 7286 transactions per second.

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