memory usage?

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Joined: Fri Jun 19, 2009 9:39 am

memory usage?

Post by HJarausch » Fri Jun 19, 2009 9:42 am

using compression options -j4 -z9 I get out-of-memory errors on an
AMD64 machine with 8Gb memory.

What are the memory requirements for these options?

(I have used version 0.5.7 contained in SystemRescueCD 1.2.1
having booted resuce64)

Many thanks for a hint,

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Post by admin » Fri Jun 19, 2009 6:00 pm

You should only use -z9 if you have a huge amount of memory, since -z9 is an extreme compression level. Because there are four compression threads, you need four times the very big amount of memory: just use -j4 -z8 instead.

More details here:

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