An Improvement of Static Subtree Partitioning in Metadata Server Cluster | Zendy

Zhipeng Tan | Zendy; Wei Zhou | Zendy; Sun Jianliang | Zendy; Zhan Tian | Zendy; Jie Cui | Zendy

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An Improvement of Static Subtree Partitioning in Metadata Server Cluster

Author(s) -

Zhipeng Tan,

Wei Zhou,

Sun Jianliang,

Zhan Tian,

Jie Cui

Publication year - 2012

Publication title -

international journal of distributed sensor networks

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.324

H-Index - 53

eISSN - 1550-1477

pISSN - 1550-1329

DOI - 10.1155/2012/835616

Subject(s) - computer science , metadata , bottleneck , metadata management , file system , computer cluster , hash function , database , distributed computing , high availability , cluster (spacecraft) , torrent file , key (lock) , operating system , journaling file system , computer file , embedded system , computer security

Efficient metadata management is a key issue in distributed file systems. Currently a single metadata server (MDS) was used to provide metadata service in many distributed file systems. As a result the MDS is likely to be the bottleneck of the system with the expanding scale. To deal with this problem, MDS cluster has been advanced. There are subtree partitioning and hashing partitioning to realize MDS cluster and so on. In view of the strengths and weaknesses of the previous methods, the paper proposes a half-dynamic subtree strategy that supports the replication of metadata, the dynamic addition and failure recovery of MDS. Finally we implement it in the open source pNFS file system and demonstrate its high performance and availability. © 2012 Tan Zhipeng et al.

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