Date: Tue, 5 Jun 2012 16:34:44 +0200 (CEST) From: Oliver Fromme <olli@lurza.secnetix.de> To: freebsd-stable@FreeBSD.ORG, ohartman@zedat.fu-berlin.de Subject: Re: Why Are You NOT Using FreeBSD ? Message-ID: <201206051434.q55EYiSD057966@lurza.secnetix.de> In-Reply-To: <4FC9DC69.6090907@zedat.fu-berlin.de>
next in thread | previous in thread | raw e-mail | index | archive | help
O. Hartmann <ohartman@zedat.fu-berlin.de> wrote: > 2) Disk and network I/O issues under load. We realized that FreeBSD has > some issues in multithreaded environments. Even on 6/12 or 12/24 > core/thread systems, under heavy load (especially network and CPU load), > disk I/O was (is?) poor. This is a no-go in a HPC environment. This got a lot better when I switched to native AHCI mode for SATA disks. You have to have a fairly recent mainboard; my workstation at the office (about 3 years old) doesn't support AHCI mode yet. > 4) The lack of clustering capabilities. The lack of a clustered > filesystem grows more and more important in the area of HPC, where > storage systems get spread over a department. Yes, a clustered file system would be very useful to have, even outside the HPC area. Best regards Oliver -- Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung: secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün- chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201206051434.q55EYiSD057966>