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List:       opensolaris-desktop-discuss
Subject:    [desktop-discuss] serious gvfsd-trash issue
From:       Lin Ma <Lin.Ma () Sun ! COM>
Date:       2008-03-31 7:57:40
Message-ID: 47F09974.4030706 () Sun ! COM
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I found the recent builds -- Vermillion 85, 86 there is a serious issue 
about gvfsd-trash, it will recursively scan (stat(2)) all TRASH 
directories on all mounted topdirs (spec  is located at 
http://www.ramendik.ru/docs/trashspec.html). Unfortunately in our swan 
most auto-mount path are the ZFS filesystems which usually represent a 
couple of layered mount points in /etc/mnttab. While gvfsd-trash will 
try forking extra processes to scan those mount points and trigger more 
ZFS mount points that finally created hundreds of gvfsd-trash processes 
and slow down the system.

I'm not sure if anyone found this problem. My investigation is 
gvfsd-trash processes are communicating with pipes, in my box, the 
opened pipes seem broken and are ignored by gvfsd-trash. Maybe a SIGPIPE 
detection is enough for the fix or maybe the TRASH spec need be reworked.

This should be a ZFS special case and should be definitely a stopper if 
it is a common case.

Thanks,
lin

-- 
x82120 / +86 10 82618200

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