O. Hartmann <ohart...@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 _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"