Re: uploads over modem are SLOOOOOW!
I have seen this before on my machine, but it has been a couple of months ago.
I have no idea what I did to make the problems go away. I had it in Windows
98 as well, but with Windows that is understandable. It was only with mail
that I had it -- downloading normal stuff as well.
On 20-Aug-99 Greg Baker wrote:
>> I connect via dial-up with a usual connect of 50666/ARQ/V90/LAPM/V42BIS.
>> When I send a large email with attachments or upload a file it is VERY
>> SLOW. Watching the traffic on something like pppload or wmppp show
>> only short bursts of intermintent traffic, often there is a 5-7 second
>> pause between the upload bursts. I don't have any problems with
>> dowloads. I don't set mtu or mru in the ppp config files, after the
>> link is up ifconfig shows that mtu is set at 1500. My latest upload
>> test via ftp gave '725473 bytes sent in 1187.13 secs (0.6 kB/s)' and a
>> download test gave '725473 bytes received in 133.82 secs (5.3 kB/s)'.
>> That's a factor of 8.87 speed difference between download and upload!
>>
>> Do I have to live with this or do I have something configured wrong.
>> I am running kernel 2.2.11 and ppp 2.3.7-3.
>
> I've observed the same thing with a variety of different configurations.
> I always blamed it on some inherent inefficieny in SMTP or sendmail or
> something.
>
> That probably isn't the case, though. SMTP should be no more inefficient
> that HTTP--the data transmission happens in more-or-less the same way. It
> probably isn't sendmail's fault either since I've seen it with sendmail,
> smail and exim at various ends of the connection.
>
> Maybe the SMTP servers at our respective ISPs are under heavy load?
>
> Sorry I haven't helped much, but you're at least not alone.
>
> Greg
>
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