Bacula-users

[Bacula-users] Performance with latent networks

2011-09-30 02:45:45
Subject: [Bacula-users] Performance with latent networks
From: reaper <bacula-forum AT backupcentral DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Thu, 29 Sep 2011 23:43:39 -0700
i have noticed that scp is not a good measure of throughput -- i do not know 
why. i use an openvpn tunnel between sites and loose about 20% of throughput 
due to the tunnel. check window size on distant machine (using wireshark) to 
verify that some upstream device is not changing it.

No, no, no. You missing the point. iperf with no window tuning can scale it to 
3MB during test while bacula can only do 128k. Values are from Send-Q in ss -t 
on client.

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