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How Many IOPS Do You Really Need?

  • ID: 2379529
  • Report
  • November 2012
  • 80 Pages
  • Objective Analysis
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IT professionals find it difficult to determine which SSD or flash array to buy or even whether they can get the speed they need from standard HDDs. There is an extraordinarily wide rage of IOPS (from hundreds to millions), latencies, and capacities, and this can be confusing. This report will provides, through a survey of over 100 IT managers and other end users, an idea of the needs of various applications including IOPS, latency, and capacity.

The 80-page report, jointly produced by Objective Analysis and Coughlin Associates, dissects the results of a months-long on-line survey of IT managers which collected their inputs on the IOPS, capacity, and latency needs for a number of key enterprise applications. Through its 54 figures and eight tables the study sheds new light on the speed requirements for certain key applications like OLTP, database management, and cloud services.
Note: Product cover images may vary from those shown
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Executive Summary

Survey Objective
- Why did we do this
- Methodology
- Margin of Error
- Anticipated Outcome

Storage Devices and their characteristics
- SSDs, and Flash memory vs. DRAM
- Caching/Tiering vs. Determinism

Raw Results
- IOPS Requirements
- Fast Capacity Requirements
- Impact of Other System Bottlenecks
- Minimum Useful Latency
- Comparing the Results
- - IOPS vs. Capacity
- - Latency vs. Capacity
- - IOPS vs. Latency

Application Sensitivities
- Database Systems
- - Metadata Servers
- - Data Warehousing and Search
- - Internet Server Caching
- On Line Transaction Processing (OLTP)
- - Charge Card Processing
- - Reservations Systems
- - Algorithmic Trading
- - Currency Exchange and Arbitrage
- - Inter-Bank Transfers
- - Other On-Line Transaction Processing Applications
- Cloud or Storage Services
- - Real Time Data/Feed Processing
- - Contextual Web Advertising
- Scientific or Engineering
- - Electronic Design Automation & Modeling
- - Weather/Life Sciences
- - Aerodynamics Design
- - Nuclear Fission Models
- - Software Development

IOPS Requirements by Application

The Monetary Value of Higher IOPS Figures

How the Market Should Develop
Note: Product cover images may vary from those shown
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Note: Product cover images may vary from those shown