[linux-audio-user] is ext3 ok for real-time / low-latency?

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On Sat, 2003-02-15 at 04:14, Larry Troxler wrote:
> Well, since my installation (mostly RedHat 7.1) was getting to be a big mess, 
> with bits and pieces from different places, I decided the best way to get a 
> working C++ compiler was to get a new drive and do a fresh redhat 8.0 
> installation :-)
> 
> My immediate question: is ext3 bad news for real-time work? I saw some 
> linux-audio-dev list messages from people who were having freezes using it.

The freezes were with a newer kernel, and with low-latency patches, when
combined with ext3 I believe.

> 
> Should I convert my filesystem back to ext2 (assuming there is a way) or not?

There is a way,  but don't bother.

> 
> Which one in theory (assuming no bugs which seems to be the cause for the 
> freeze) should be better for low-latency work?

I am using reiserfs. I think it's better for trying to get to the lowest
latencies. That said, if you wanted to run at 5-10mS, probably either
would be OK. I did a little work (very little actually) that Jan has
published on his Evil Twin web site. Read it and make your own
decisions.

http://myweb.cableone.net/eviltwin69/ALSA_JACK_ARDOUR.html

under section 2


> 
> Thanks in advance!
> 
> Larry Troxler
> 
> 
> 




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