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Design and Implementation of a Metadata Management Scheme for Large Distributed File Systems
Jong Hyeon YUN Yong Hun PARK Dong Min SEO Seok Jae LEE Jae Soo YOO
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/07/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Dependable Computing
distributed file system (DFS), metadata server (MDS),
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Most large-scale distributed file systems decouple a metadata operation from read and write operations for a file. In the distributed file systems, a certain server named a metadata server (MDS) is responsible for maintaining the metadata information of the file systems. In this paper, we propose a new metadata management scheme in order to provide the high metadata throughput and scalability for a cluster of MDSs. First, we derive a new metadata distribution technique. Then, we present a load balancing technique based on the distribution technique. Several experiments show that our scheme outperforms existing metadata management scheme in terms of scalability and load balancing.