SCHEDULE: NOV 10-16, 2012
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Scalable Cooperative Caching with RDMA-Based Directory Management for Large-Scale Data Processing
SESSION: ACM Student Research Competition Poster Session
EVENT TYPE: ACM Student Research Competition
TIME: 5:15PM - 7:00PM
SESSION CHAIR: Torsten Hoefler
AUTHOR(S):Junya Arai
ROOM:East Entrance
ABSTRACT:
Cooperative caching provides an extensive virtual file cache by combining file caches on all clients. We propose a novel cooperative caching system that addresses two problems of existing systems: lack of utilization of high-throughput, low-latency remote direct memory access (RDMA) and low scalability against concentrated request for a particular cache block. The proposed system uses only RDMA to look up a block location in cache directories distributed to servers and transfer a block from another node, reducing access times to a cache block. In addition, to provide more robust scalability, nodes are divided into groups and managed semi-independently, so that access concentration on a particular node is mitigated. We are going to run over 10,000 processes on the K computer for evaluation and present experimental results on the poster. To our knowledge, this will be the first study that investigates performance of cooperative caching with over 1,000 processes.
Chair/Author Details:
Torsten Hoefler (Chair) - ETH Zurich
Junya Arai - University of Tokyo
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