The core client of boinc when request new work
from a project try to receive ALL WUs of that
project "at the same time"

Actually it can limit the number of kilobytes per
second that is being uploaded or downloaded,
however this feature does not solve the problem
cause it limit that kbytes/s by file

Thus, a request to a new feature to limit the
core client to "n" simultaneus files (I hope 1 file)
-Whe that file finish network transfer, the start 2nd

What is happening todcay with 5.2.15

I connect to Internet to request new work
the project send to me 4 WUs of 4 MB each

At this time my diallu cost about $0.25 by minute
I want to receive only one WU to not run out-of-work

-> later nigth, after midnight, my dialup is free
and I will receive remaining WUs

Cause I connect @ 26,400 bps each WU delays
about 1 hour to complete download

*but BOINC choose to receive all four WUs at once,
and I am forced to stay 4 hours connected
to download them all ,
instead of 1 hour to d/l only 1 WU

Ofcouse this behavior cost much money
to me , and I suppose to all dialup users too

1 WU is enough to keep my CPU bust until the free
dialup time arrives
*I dislike having to receive four at once when I need one

ps: as side effect of receiving 4 WUs at once
I cannot surf internet while downlods/uploads occur
cause my dialup network keeps clogged until
all transfers complete

If receiving/uploading only 1 WU at time,
I can surf internet at half speed, instead
of being blocked to surf Internet

Thanks

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The client only does two transfers at a time. The rest of them wait for one of the active transfers to finish. I also would like to see this a settable number so that I could allow more simultanious transfers for my systems with good bandwith.

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BOINC WIKI

BOINCing since 2002/12/8

The client only does two transfers at a time. The rest of them wait for one of the active transfers to finish. I also would like to see this a settable number so that I could allow more simultanious transfers for my systems with good bandwith.

IF the boinc server has good bandwidth too, and is serving only you, YES!

U said "only two transfers at a time"
However I catched today four download transfers at a time!.
*If u need a probe, I can post here a 4 megabytes bmp of a snapshot of my destop
*ps: WHY boincmanager does not allow copying messages text ?

The files being downloaded at the time I catched, was:
two files downloads simultaneus to rosetta
plus at same time two files downloads simultaneus to simap
*totaling 4 WU downloads simultaneus ...

*at the higest speed of 0.60 kbps each file.

If it was possible to pause 3 of the simultaneus transfers streams
the remaining file transfer that was not paused, will speed up to 2.4 kbps

While boinc does not decide transferring only one file at a time,
my CPU got a 2 hours of IDLE time, wating for work, being downloaded ...

May be this IDLE time was only a half hour, IF *only one download each time

Thanks,

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Carlos, it sounds like you should increase your "connect to network ever xx days" in your general preferences. That way you can use the free access for ALL of your connections.

And I believe it is correct to say BOINC will get only two connections, but, I concur with Carlos, it's two PER PROJECT.

Also, I've tried throttling back my upload and download rates, all the way to 1KB/sec. It seems to have no effect. My transfers still seem to take all the bandwidth they can get. My messages consistently show large transfers occuring at 50 or even 100,000 bytes (i.e. 100KB) per second. And I've updated the preferences.

Does anyone know if the upload and download rates work? I've seen multiple projects (all that I've observed so far) running dramatically faster than my preference.

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Carlos,
You can set network preferences;
connect to network about every . . . . . 1 day
(determines size of work cache; maximum 10 days)
and
Use network only between the hours of . .0.00 and 2.00
Enforced by versions 4.46 and greater
(no restriction if equal)

The numbers in bold are changeable, the timed ones from drop-down list.
You would then get one days work and connect to internet when it is cheapest.

Andy