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Introduction

The IOzone benchmark and the analysis of its results are part of the LTC Performance evaluation. It is aimed at the evaluation of the currently most important filesystems available for Linux: ext2fs, ext3fs, Reiserfs, JFS and xfs. 

Status

26 April 2002 - Complete evaluation of JFS, Reiserfs, ext3fs, and ext2fs on Linux 2.5.7. 

Results

Overall Comparative Performance 2 GB Memory Configuration

2GB Memory, 4 KB block, 32 MB file size

 

JFS

Reiserfs

ext3

ext2

Write

110288

48423

63848

153410

Rewrite

198210

142653

125163

201860

Read

236626

239495

241787

241390

Reread

242770

245887

246886

248011

Random Read

221859

226414

224154

225785

Random Write

176907

135088

117102

182678

Backward Read

172430

153470

223004

224926

Record Rewrite

317245

303230

246390

580766

Stride Read

215956

219599

218907

221036

Fwrite

89411

47164

56605

123825

Re-fwrite

157841

109434

103624

163248

Fread

219990

226470

226164

227724

Re-fread

226348

232557

230510

233796

Notes: Data are in throughput MB/sec. Higher value means better performance.

Test Environment 

Resources

Project team 

Duc Vianney dvianney@us.ibm.com 

Process 

Run rules 

Test scripts 

External postings 

Relevant links

 


last edited by : Duc Vianney, 26 April 2002