Re: BIND performance under FreeBSD 7-CURRENT

From: Scott Long <scottl_at_samsco.org>
Date: Mon, 17 Sep 2007 00:59:00 -0600
Peter Losher wrote:
> As some of you know back at BSDcan 2007, I made it known that we had
> seen BIND9 performance suffer under FreeBSD and that under threaded
> build on SMP systems, Linux had blown FreeBSD out of the water in terms
> of performance.
> 
> As it's now (well was) EuroBSDcon, one of our engineers re-ran the query
> test I mentioned back at BSDcan and it looks like the work kris_at_ has
> spearheaded has paid dividends.  Re:
> 
> -=-
> Last night I built a disk with the August snapshot and re-ran the test.
> FreeBSD performance is indeed much improved -- almost as good as Linux.
> 
> fbsd-7-current (200704)        44K queries/sec
> fbsd-7-current (200708)        84K queries/sec
> 
> Gentoo Linux (2.6.20.7)        93K queries/sec
> Fedora Linux (2.6.20.7)        87K queries/sec
> 
> Disk-to-disk copy speed is 90 MB/s for Linux and 20 MB/s for the
> April snapshot of FreeBSD; it is unchanged for the August FreeBSD
> snapshot.  This is reassuring because the zone files should be
> in memory and disk performance shouldn't be an issue.
> 
> In any case, FreeBSD-current has greatly improved between April
> and August.
> -=-
> 
> (FYI - the disk controller on these boxes are mpt Serial SCSI)
> 
> Not quite there, but a significant improvement nonetheless.  If anyone
> needs more information about the test, let me know.
> 
> Best Wishes - Peter

Please send me a test case for your disk-to-disk issue.

Scott
Received on Mon Sep 17 2007 - 04:59:04 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:17 UTC