Multi-Level Bitmap Indexes for Flash Memory Storage Metadata
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Title
- Main Title Multi-Level Bitmap Indexes for Flash Memory Storage
Creator
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Author: Wu, KeshengCreator Type: Personal
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Author: Madduri, KameshCreator Type: Personal
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Author: Canon, ShaneCreator Type: Personal
Contributor
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Sponsor: Lawrence Berkeley National Laboratory. Computational Research Division.Contributor Type: Organization
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Sponsor: National Energy Research Scientific Computing DivisionContributor Type: Organization
Publisher
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Name: Lawrence Berkeley National LaboratoryPlace of Publication: Berkeley, CaliforniaAdditional Info: Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (United States)
Date
- Creation: 2010-07-23
Language
- English
Description
- Content Description: Due to their low access latency, high read speed, and power-efficient operation, flash memory storage devices are rapidly emerging as an attractive alternative to traditional magnetic storage devices. However, tests show that the most efficient indexing methods are not able to take advantage of the flash memory storage devices. In this paper, we present a set of multi-level bitmap indexes that can effectively take advantage of flash storage devices. These indexing methods use coarsely binned indexes to answer queries approximately, and then use finely binned indexes to refine the answers. Our new methods read significantly lower volumes of data at the expense of an increased disk access count, thus taking full advantage of the improved read speed and low access latency of flash devices. To demonstrate the advantage of these new indexes, we measure their performance on a number of storage systems using a standard data warehousing benchmark called the Set Query Benchmark. We observe that multi-level strategies on flash drives are up to 3 times faster than traditional indexing strategies on magnetic disk drives.
- Physical Description: 19
Subject
- Keyword: Storage
- Keyword: Velocity Data Management, Bitmap Index, Flash Memory
- Keyword: Magnetic Storage Devices
- Keyword: Magnetic Disks
- Keyword: Data Management, Bitmap Index, Flash Memory
- STI Subject Categories: 97
- Keyword: Benchmarks
- Keyword: Performance
Source
- Conference: The Fourteenth International Database Engineering& Applications Symposium , Montreal, QC, CANADA, Aug. 16-18, 2010
Collection
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Name: Office of Scientific & Technical Information Technical ReportsCode: OSTI
Institution
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Name: UNT Libraries Government Documents DepartmentCode: UNTGD
Resource Type
- Article
Format
- Text
Identifier
- Report No.: LBNL-4217E
- Grant Number: DE-AC02-05CH11231
- Office of Scientific & Technical Information Report Number: 1004601
- Archival Resource Key: ark:/67531/metadc843053