[Info-vax] Slow FTP transfer Linux -> VMS

CY christery at gmail.com
Sat Aug 29 06:40:28 EDT 2009


On 28 Aug, 21:14, JF Mezei <jfmezei.spam... at vaxination.ca> wrote:
> > does anyone know why the linux box doesn't speed up, and how to solve it?
>
> The only FTP performance parameter on VMS is the system-wide logical name:
>
> "TCPIP$FTP_WNDSIZ" = "4096"
>
> The doc says 4096 is good. I have no idea what the measure is (probably
> 4k of data ?). Not sure if it can be increased much beyond that. This
> affects VMS on the receiving end.
>
> I know that on the dsl line, the VMS box can't get anywhere near the
> maximum throughput (which the Mac next to it can).

There are a bit more, changing conversions, allocation of files and
version/raw handeling besides window size
http://h71000.www7.hp.com/doc/83final/6526/6526pro_041.html



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