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[Mldonkey-users] Problems with slow disks
From: |
Robert Reither |
Subject: |
[Mldonkey-users] Problems with slow disks |
Date: |
Sun, 6 Oct 2002 13:13:13 +0200 (METDST) |
I'm using mldonkey 4 a long time and i'm quite satisfied with it, many thanks
to the coder(s).
Currently using the self-compiled cvs version from October 02.
I've just one big problem :
I'm downloading on a disk connected via usb1.1 and even worse it's mounted with
the
'sync' option (linux 2.4 system). i canot change this, i have no root rights on
the
machine. So i only have about 200 kB/s rate over the USB line (but 100MBit
network rate ;)).
The problem is i guess the verify_chunk stuff at startup. This is killing my
download
rate ( only just 1kb/s) for about 1 hour, (a few GB to rehash) because it
consumes the
full traffic rate over the usb.
I changed the compute_md4_delay to higher values (loading one 9 MB chunk from
the disk
takes about 40 secs), so i used a delay rate of 100, which leaves me about 1
minute for
download and the rest for loading the chunk.
But i encountered problems :
It looks like mldonkey cannot load fresh chunks for a file while the file_md4
isn't fully
recalced (the status changes from downloading to paused), so all my tricks with
the md4_delay doesn't really work.
So my questions : Is it possible to bring mldonkey to download fresh chunks
while still
rehashing ?
Or maybe an option to split the rehash-chunk-reading into
smaller parts,
e.g. don't read the full chunk in a piece, use smaller
sub-chunk-readings
maybe this can help to get a balance between downloading and
getting
chunk data for rehash accessing the disk.
Btw i noticed that the rehash status display of a file in the telnet interface
disappered
in the 1.99 versions (was in in 1.15 as far as i can remember (the !!__?
stuff)).
The source-client info too.
Why is this gone ? It was always a big help 4 me, to see how long it will still
take to
complete the rehash.
Robert
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Robert Reither 8925573 E754 (ja wirklich schon !!)
TU-Vienna
AUSTRIA
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