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Rack Aware Data Placement for Network Consumption in Erasure-Coded Clustered Storage Systems.
- Source :
-
Information (2078-2489) . Jul2018, Vol. 9 Issue 7, p150. 1p. - Publication Year :
- 2018
-
Abstract
- The amount of encoded data replication in an erasure-coded clustered storage system has a great impact on the bandwidth consumption and network latency, mostly during data reconstruction. Aimed at the reasons that lead to the excess data transmission between racks, a rack aware data block placement method is proposed. In order to ensure rack-level fault tolerance and reduce the frequency and amount of the cross-rack data transmission during data reconstruction, the method deploys partial data block concentration to store the data blocks of a file in fewer racks. Theoretical analysis and simulation results show that our proposed strategy greatly reduces the frequency and data volume of the cross-rack transmission during data reconstruction. At the same time, it has better performance than the typical random distribution method in terms of network usage and data reconstruction efficiency. [ABSTRACT FROM AUTHOR]
- Subjects :
- *DATA
*NETWORK analysis (Planning)
*CLUSTER housing
Subjects
Details
- Language :
- English
- ISSN :
- 20782489
- Volume :
- 9
- Issue :
- 7
- Database :
- Academic Search Index
- Journal :
- Information (2078-2489)
- Publication Type :
- Academic Journal
- Accession number :
- 131105905
- Full Text :
- https://doi.org/10.3390/info9070150