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/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
