On Tuesday 09 October 2007 23:50, Michael Stiller wrote: > Hi list, > > i'm developing an application (in C) which needs to write about > 1Gbit/s (125Mb/s) to a disk array attached via U320 SCSI. > It runs on Dual Core 2 Xeons @2Ghz utilizing kernel 2.6.22.7. > > I buffer the data in (currently 4) 400Mb buffers and use write(2) in a > dedicated thread to write them to the raw disk (no fs). > > The write(2) performance is not good enough, the writer threads take to > much time, and i ask you for ideas, howto to boost the write > performance.
The kernel really cannot sustain 125MB/s? I assume the disk array is capable? Where is the bottleneck? Does it keep all disks busy, or are the CPUs overloaded? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
