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Chapter 14 HDF Performance Issues

14.1 Chapter Overview and Introduction

14.2 Examples of HDF Performance Enhancement

14.2.1 One Large SDS Versus Several Smaller SDSs

14.2.2 Sharing Dimensions Between Scientific Data Sets

14.2.3 Setting the Fill Mode

14.2.4 Disabling "Fake" Dimension Scale Values in Large One-Dimensional Scientific Data Sets

14.3 Data Chunking

14.3.1 What is Data Chunking?

14.3.2 Writing Concerns and Reading Concerns in Chunking

14.3.3 Chunking without Compression

14.3.4 Chunking with Compression

14.3.5 Effect of Chunk Size on Performance

14.3.6 How Insufficient Chunk Cache Space can Impair Chunking Performance

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HDF User's Guide - 07/21/98, NCSA HDF Development Group.