firephoto
KDE
Premium
join:2003-03-18
 ·Verizon west (ex G..
| reply to SUMware
Re: Migrating to Ext4
But is it faster?
For me just an 'svn up' or even installing with apt can cause the system to be unresponsive for several seconds with ext3. I suppose that doesn't count though because I'm not running 20 dozen servers that need "tried and true". |
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Steve
Security is inefficient
Consultant
join:2001-03-10
Tustin, CA
| Looks to me like the big win is file/filesystem size increases; if you have gynormous files, this may be of interest.
I don't see anything that really touches on performance...
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Stephen J. Friedl | Unix Wizard | Microsoft Security MVP | Tustin, California USA | my web site |
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jdong
Eat A Beaver, Save A Tree.
Premium
join:2002-07-09
Rochester, MI
clubs:  
| Delayed allocation, support for extents, and the new online defragger, I expect, will be the biggest areas of performance improvement. Whether or not that'll fix metadata performance (i.e. what is likely the cause of firephoto's svn up or dpkg's stat "Reading Database..." flood) is unclear. Then again, to be fair, I've not felt any Linux filesystems that handle these cases well other than perhaps reiserfs3 (but that had a SEVERE cost of kernel latency for faster operations)
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Ubuntu MOTU Developer and Forums Council |
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