kern/187594: [zfs] [patch] ZFS ARC behavior problem and fix

Andriy Gapon avg at FreeBSD.org
Thu Mar 20 15:00:01 UTC 2014


The following reply was made to PR kern/187594; it has been noted by GNATS.

From: Andriy Gapon <avg at FreeBSD.org>
To: bug-followup at FreeBSD.org, karl at fs.denninger.net
Cc:  
Subject: Re: kern/187594: [zfs] [patch] ZFS ARC behavior problem and fix
Date: Thu, 20 Mar 2014 16:56:18 +0200

 I think that you are gradually approaching a correct solution to the problem,
 but from quite a different angle comparing to how I would approach the problem.
 
 In fact, I think that it was this commit
 http://svnweb.freebsd.org/changeset/base/254304 that broke a balance between the
 page cache and ZFS ARC.
 
 On technical side, I see that you are still using kernel_sysctlbyname in your
 patches.  As I've said before, this is not needed and in certain sense incorrect.
 
 -- 
 Andriy Gapon


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