BIND performance under FreeBSD 7-CURRENT
Scott Long
scottl at samsco.org
Sun Sep 16 23:59:05 PDT 2007
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@ 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
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