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Transaction Routing with Freshness Control in a Cluster of Replicated Databases

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Transaction Routing with Freshness Control in a Cluster of Replicated Databases
: We consider the use of a cluster system with a shared nothing architecture for update-intensive autonomous databases. To optimize load balancing, we use optimistic database replication with freshness control. We propose a solution to transaction routing that preserves database and application autonomy and a cost model to estimate replica freshness. Then we propose an algorithm for transaction routing that takes into account freshness requirements of transactions and replica freshness. We implemented our solution on a Linux cluster running Oracle 8i and performed extensive performance experiments using the TPCC OLTP benchmark. Our results show that our solution outperforms existing solutions for typical transaction workloads.
Hubert Naacke, François Dang Ngoc, Patrick
Added 31 Oct 2010
Updated 31 Oct 2010
Type Conference
Year 2003
Where BDA
Authors Hubert Naacke, François Dang Ngoc, Patrick Valduriez
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