Didn't know that this mail is mixing up mime and text. Sorry about that. 
Converted to plain text. Hopefully it should be good now.

Is there a way I could measure the performance impact of enabling 
CONFIG_AUFS_HNOTIFY and CONFIG_AUFS_HFSNOTIFY. aufs manual says "udba=notify" 
could have significant performance impact.

Is there a way I can reduce the aufs cache size so I can hit this warning with 
better predictability? I'm trying to see which user process is touching the 
file/dir bypassing aufs.

thank you.



________________________________
From: "sf...@users.sourceforge.net" <sf...@users.sourceforge.net>
To: Prasad Koya <kdp...@yahoo.com> 
Cc: "aufs-users@lists.sourceforge.net" <aufs-users@lists.sourceforge.net> 
Sent: Tuesday, October 16, 2012 9:30 PM
Subject: Re: aufs Warning: Un-notified UDBA


Prasad Koya:
> Thanks for your response. Here is what we have. vanilla aufs2.2-38 patch. We 
> didn't touch this patch or anyfiles that this patch touched. This aufs patch 
> didn't have CONFIG_AUFS_INOTIFY. I read in one of your posts to enable this 
> config option to debug this issue.

aufs2.2-38 has CONFIG_AUFS_HNOTIFY and CONFIG_AUFS_HFSNOTIFY.
INOTIFY was removed by linux-2.6.36 internaly and its backend was
replaced by fsnotify. Of course, the inotify user interface is kept.
Try enabling HFSNOTIFY and "udba=notify"

By the way, your mail is formatted in MIME and contains bothe of HTML
and text.
It is hard for me to decode MIME and extract plain text. I'd ask you to
send plain text only.


J. R. Okajima

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