OT: filesystem write raw performance

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Hi there,

I want to capture uncompressed video at 30 fps, so I need a good write
performance. What filesystem will give me the best performance, supposing
the filesystem will be empty and will write only one file?

Is it possible to write directly to a partition device, and if so, how can
I know later, when reading, how long is the "file"? How will be the
performance? How would be the performance? Would Linux write 512 bytes at
a time or could I set it?

Isn't there any very simple filesystem that will allow me to write a
single file with the best write performance possible? That doesn't have to
handle fragmentation, etc?

TIA,

--
Roberto Jung Drebes <drebes@xxxxxxxxxxxx>
Porto Alegre, RS - Brasil
http://www.inf.ufrgs.br/~drebes/





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