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Re: [Bacula-users] Performance with latent networks
2011-09-30 07:04:37
On Fri, 2011-09-30 at 02:18 -0700, reaper wrote:
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?
Yes, that's correct, bacula can only scale window to 128k that's why throughput gets limited to 10Mbit/s. With ssh tunnel between client and sd it does not matter because ssh can scale window to 3MB and throughput is about 100-120Mbit/s. I've tried to set "Maximum Network Buffer Size" on client and sd to 8MB. No result unfortunatelly.
hey reaper,
i think that you should file a bug report -- that bacula doesn't use the native window size (or at least have an option to do so) is a tad strange. in the meantime, using a tunnel that uses a larger window size is the clear solution.
cheers
m
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