A Highly Available Grid Metadata Catalog

Henrik Thostrup Jensen; Joshva Kleist

doi:10.1109/AINA.2009.108

Abstract

This article presents a metadata catalog, intended foruse in grids. The catalog provides high availability, by replication across several hosts. The replicas are kept consistent using a replication protocol based on the Paxos algorithm. A majority of the replicas must be available in order for the system to function. The data model used in the catalog is RDF, which allows users to create theirown name spaces and schemas. Querying is performed using SPARQL. Additionally the catalog can be used as a synchronization mechanism, by utilizing a compare and swap operation. The catalog is accessed using HTTP with proxy certificates, and uses GACL for flexible access control.The performance of the catalog is tested in several ways, including a distributed setup between geographically separated sites.

Original language	English
Journal	Advanced Information Networking and Applications
Pages (from-to)	419-426
ISSN	1550-445X
DOIs	https://doi.org/10.1109/AINA.2009.108
Publication status	Published - 2009
Event	2009 International Conference on Advanced Information Networking and Applications - Bradford, United Kingdom Duration: 26 May 2009 → 29 May 2009 Conference number: 23

Conference

Conference	2009 International Conference on Advanced Information Networking and Applications
Number	23
Country/Territory	United Kingdom
City	Bradford
Period	26/05/2009 → 29/05/2009

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10.1109/AINA.2009.108

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Cite this

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title = "A Highly Available Grid Metadata Catalog",

abstract = "This article presents a metadata catalog, intended foruse in grids. The catalog provides high availability, by replication across several hosts. The replicas are kept consistent using a replication protocol based on the Paxos algorithm. A majority of the replicas must be available in order for the system to function. The data model used in the catalog is RDF, which allows users to create theirown name spaces and schemas. Querying is performed using SPARQL. Additionally the catalog can be used as a synchronization mechanism, by utilizing a compare and swap operation. The catalog is accessed using HTTP with proxy certificates, and uses GACL for flexible access control.The performance of the catalog is tested in several ways, including a distributed setup between geographically separated sites. ",

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