Bacula-users

Re: [Bacula-users] Compress speed

2010-07-01 19:01:42
Subject: Re: [Bacula-users] Compress speed
From: "James Harper" <james.harper AT bendigoit.com DOT au>
To: "Derek Harkness" <dharknes AT umich DOT edu>, <bacula-users AT lists.sourceforge DOT net>
Date: Fri, 2 Jul 2010 08:57:54 +1000
> 
> I've seen a very significant slow in backup speed by enabling gzip
compress,
> 32MB/s (without gzip) vs 4MB/s  (with gzip).  The server I'm backing
up has
> lots of CPU 24x2.6ghz so the compression time shouldn't be a huge
factor.  Is
> this normal for bacula or is there an optimization I'm missing.
> 

Can you confirm that the backup actually takes 8 times longer with
compression enabled and that you aren't just seeing a measurement
anomaly with compressed vs uncompressed data?

James

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