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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.