Vdbench Users Guide - Oracle

1 Vdbench Users GuideVersion: 2012 Author: Henk VandenberghCopyright 2000, 2012, Oracle and/or its affiliates. All rights Vdbench Copyright NoticeCopyright 2000, 2012, Oracle and/or its affiliates. All rights Trademark NoticeOracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may betrademarks of their respective License Restrictions Warranty/Consequential Damages DisclaimerThis software and related documentation are provided under a license agreement containingrestrictions on use and disclosure and are protected by intellectual property laws. Except asexpressly permitted in your license agreement or allowed by law, you may not use, copy,reproduce, translate, broadcast, modify, license, transmit, distribute, exhibit, perform, publish or display any part, in any form, or by any means.

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5 All rights Vdbench OF CONTENTS :1 Vdbench : DISK Vdbench WORKLOAD GENERATOR .. 5 Introduction .. 6 Objective .. 6 Terminology .. 6 Summary of changes since release.

6 7 Installing Vdbench .. 8 How to start Vdbench : .. 9 Execution parameter overview .. 10 Parameter File(s) .. 12 Execution parameter detail.

7 20 Vdbench utility functions.. 25 General parameter detail .. 27 Replay Group (RG) parameter detail .. 32 Host Definition parameter detail .. 33 Storage Definition parameter detail .. 35 Workload Definition parameter detail .. 41 Run Definition for raw I/O parameter detail.

8 47 Data Deduplication: .. 54 Data Validation and Journaling .. 58 Report files .. 61 Swat Vdbench Trace Replay .. 64 Complete Swat Vdbench Replay Example .. 65 File system testing.

9 66 Copyright 2000, 2012, Oracle and/or its affiliates. All rights Vdbench File System Definition (FSD) parameter overview: .. 69 Filesystem Workload Definition (FWD) parameter overview: .. 69 Run Definition (RD) parameters for file systems, overview .. 70 File System Definition (FSD) parameter detail: .. 70 File system Workload Definition (FWD) detail .. 74 Run Definition (RD) parameters for file system testing, detail.

10 77 Multi Threading and file system testing .. 82 Operations counts vs. nfsstat counts: .. 83 Report file examples .. 84 Sample parameter files .. 88 Permanently override Java socket port numbers.. 91 Java Runtime Environment.