Linux-Sec.net/FS/Scripts
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| Comparison of Ext2 vs Ext3 vs ReiserFS vs JFS vs XFS |
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| Scripts to Test Ext2 vs Ext3 vs ReiserFS vs JFS vs XFS |
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| Testing Process |
- Master System
- default/unpatched Redhat EL3-Workstation
- Intel S875WP1E Motherboard - 800FSB
- Intel P4-2.8G - 800FSB - 512KB L2 cache
- 1GB or 2GB of PC-3200 DDR-333 memory
- 80GB Seagate Master disk = /dev/hda
- 80GB Seagate Target disk = /dev/hdc --> target filesystem to be tested
- Test Process
- Partition table is kept constant during these test (partitioned w/ fdisk only once)
- Format the Target disk with the test Filesystem
- Copy the Master Disk filesystem to the Target Disk
- Do multiple kernel compile on the Target Disk filesystem
Test1 - 3 passes
- 1GB of memory
- It takes longer to write data on each succesive pass
Test-10 -- 10 passes
- Only the kernel compiles were done on the Target disk, Master disk was unchanged
- Script was changed, start/end time fo formatted not displayed
- It takes longer to write data on each succesive pass -- bad --
- XFS seems to be immune to delays in successive passes
- These kernel compiles Tests ( T1 and T2 ) were done by:
- Format the Target Disk w/ the target filesystem to test
- install RH-EL3 onto the target filesystem and boot it
- do 10 kernel compile passes after booting the target filesystem
T1 -- 4 passes on 1st Master identical as 2nd Master
- 1st kernel compile pass takes the longest
T2 -- 4 passes on 2nd Master identical as 1st Master
- 1st kernel compile pass takes the longest
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| Summary: Ext2 vs Ext3 vs ReiserFS vs JFS vs XFS |
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Formatting
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Test1
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T10
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T1
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T2 <<--- Different Tests
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Ext2
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:38
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:39
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:40
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:40
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Ext3
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:39
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:41
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:42
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:41
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ReiserFS
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:07
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:07
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:07
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:06
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JFS
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:02
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:02
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:02
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:01 ==> 10x faster formatting
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XFS
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:02
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:02
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:02
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:02 ==> 10x faster formatting
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Data-Copying
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Test1
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T10
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T1
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T2 <<--- Different Tests
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Ext2
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7:54
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.
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7:40
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6:30
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Ext3
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10:42
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.
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10:30
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9:22 ---> ext3 is generally slow for copying
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ReiserFS
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8:10
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.
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7:58
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6:43 --> better
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JFS
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8:55
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.
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8:29
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7:25
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XFS
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8:48
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.
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8:33
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7:22
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Kernel-Compile
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Test1
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T10
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T1
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T2 <<-- Different Tests
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Ext2
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.
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.
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3:51
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3:51
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Ext3
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.
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.
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4:14
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4:13
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ReiserFS
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.
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.
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4:00
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4:02 --> better
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JFS
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.
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.
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4:11
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4:11
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XFS
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.
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.
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4:04
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4:04
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