Bacula-users

Re: [Bacula-users] Compress speed

2010-07-01 11:57:32
Subject: Re: [Bacula-users] Compress speed
From: Gavin McCullagh <gavin.mccullagh AT gcd DOT ie>
To: bacula-users AT lists.sourceforge DOT net
Date: Thu, 1 Jul 2010 16:55:14 +0100
On Thu, 01 Jul 2010, Derek Harkness wrote:

> 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.

As I understand it, the compression is done on the client (ie the file
daemon), not the server, so it's the CPU speed of the client you need to
consider, not that of the server.  Is the CPU maxed out on the client
during the backup?

Gavin


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