file fragmentation, torrents, azureus ?!?!?! Sluggishperform ance?
t l
concert at europe.com
Wed Apr 28 14:23:22 UTC 2004
First, thanks to Jay for excellent response. I was too quick to blame j2sdk.
After cleaning up the fragmented files, I restarted azureus and java stabilized.
(I should have guessed when killing it made no appreciable improvement).
Next, his suggestion to search out and set a config in azureus was also right on.
There is a check-box in the Files section for "Allocate and zero new files on
creation - Minimized fragmentation". It defaults to "unchecked". I suggest
you check this BEFORE starting the torrent ;)
After doing a "copy/remove/rename" on each of the fragmented files, things
appear to be back to normal.
Thanks for the help,
tom
----- Original Message -----
From: Jay Goodman <goody at comcast.net>
Date: Wed, 28 Apr 2004 02:10:47 -0400
To: For testers of Fedora Core development releases <fedora-test-list at redhat.com>
Subject: Re: file fragmentation, torrents, azureus ?!?!?! Sluggishperformance?
> First part Off Topic:
>
>
> Just had to step in to kill some FUD...
>
> > A simple "ps agl" yielded the first 'gotcha': java had grown to over 200MB
> > (BEWARE of j2sdk-1_4_2_04. There must be a memory leak somewhere).
>
>
> The mem leak is in azarues software which relies heavily on JNI (code
> outside of java...mainly using the eclipse swt libs). There is nothing
> wrong with the j2sdk-1_4_2 so there is no reason to BEWARE of java. :)
>
> I used to use azareus but it is so buggy that it is virtually impossible
> to use on 600MB+ files with crashing or slowing to a crawl with mem
> leaks galore.
>
>
> On Topic part:
>
> Now that FUD killing is over onto the helpful stuff.
> There is setting somewhere in the config menus of
> azureus the lets one create the entire file at once
> or create the file incrementally as the data chunks roll in.
> I'd assume yours is set for incremental file creation which
> would make sense with your heavy fragmentation levels.
> Flipping off the incremental file creation should help.
>
>
>
>
--
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