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Re: [Bacula-users] Performance with latent networks
2011-09-30 03:11:34
On Thu, 2011-09-29 at 23:43 -0700, reaper wrote:
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.
hi reaper,
if i understand you correctly, bacula is only using a 128k -- way too small? curious -- have you played with "Maximum Network Buffer Size" ? does this help?
cheers
m
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