8 марта 2016 г. 6:42:13 CET, Mini Trader <miniflowtra...@gmail.com> пишет:
>Is it possible that CIFS will ignore TCP buffer settings after a while?
>
>I've confirmed my systems max transfer rate using iperf and have tuned
>my
>buffers accordingly. For whatever reason CIFS seems to forget these
>settings after a while as speed drops significantly. Issuing a restart
>of
>the service immediately appears to restore the setting as transfer
>speed
>becomes normal again.
>
>Any ideas why this would happen?
>
>
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As a random guess from experience with other network stuff - does the 
speed-drop happen on a running connection or new ones too? Do you have 
concurrent transfers at this time?

Some other subsystems (no idea if this one too) use best speeds for new or 
recently awakened dormant connections, so short-lived bursts are fast - at 
expence of long-running active bulk transfers (deemed to be bulk because they 
run for a long time).

HTH, Jim
--
Typos courtesy of K-9 Mail on my Samsung Android
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