kern/189865: [zfs] [patch] zfs_dirty_data_max{, _max, _percent} not exported as loader tunables

Steven Hartland killing at multiplay.co.uk
Tue May 20 08:40:01 UTC 2014


The following reply was made to PR kern/189865; it has been noted by GNATS.

From: "Steven Hartland" <killing at multiplay.co.uk>
To: <bug-followup at freebsd.org>,
	<nwf at cs.jhu.edu>
Cc:  
Subject: Re: kern/189865: [zfs] [patch] zfs_dirty_data_max{,_max,_percent} not exported as loader tunables
Date: Tue, 20 May 2014 09:38:04 +0100

 Exposing zfs_dirty_data_max directly doesn't make sense as its
 a calculated value based off zfs_dirty_data_max_percent% of
 all memory and capped at zfs_dirty_data_max_max.
 
 Given this it could be limited via setting zfs_dirty_data_max_max.
 
 The following could be exposed:-
 zfs_dirty_data_max_max
 zfs_dirty_data_max_percent
 zfs_dirty_data_sync
 zfs_delay_min_dirty_percent
 zfs_delay_scale
 
 Would that forfull your requirement?
 
     Regards
     Steve


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