Bacula-users

[Bacula-users] performance over WAN links

2011-10-17 01:16:25
Subject: [Bacula-users] performance over WAN links
From: "James Harper" <james.harper AT bendigoit.com DOT au>
To: <bacula-users AT lists.sourceforge DOT net>
Date: Mon, 17 Oct 2011 16:14:02 +1100
I'm revisiting a remote backup, and am troubled by the fact that Bacula
appears to be making using of only a fraction of the available
bandwidth.

iperf tells me there is around 750KBits/second of usable TCP bandwidth
in the fd->sd direction, but Bacula only reports a Bytes/sec rate of
30Kbytes/second which is quite removed from the ~70Kbytes/second I'd
expect.

A tcpdump of a 30 second snapshot of the traffic shows that it isn't
buffer overhead - there really were only around 30Kbytes/second of data
transmitted.

Any hints on how to speed this up a bit?

Thanks

James

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