tuning for maximum dhcp performance

[Gordon A. Lang]

Does anyone have performance data using ZFS on Solaris?

--
Gordon A. Lang

----- Original Message ----- 
From: "Dan" <dan at telcohero.com>
To: <dhcp-users at isc.org>
Sent: Thursday, May 01, 2008 4:02 PM
Subject: Re: tuning for maximum dhcp performance


>
> Blake,
>
> Write-back was on, I confirmed.  Even so, I was still unable to get 
> numbers approaching the ramdisk until I started trying different 
> filesystems.
>
> It seems that when starting dhcp with a blank dhcpd.leases file, using 
> reiserfs filesystem, and dhcperf, you get poor performance.  JFS, XFS, and 
> even EXT3 (in descending order) all resulted in over 300 5way 
> clients/second.
>
> All filesystems were mounted with noatime, nodiratime, nodev, nosuid, and 
> noexec.
>
> I was a bit surprised that the difference was this drastic.
>
>
> On Fri, 25 Apr 2008, Blake Hudson wrote:
>
[...omitted...]