Re: ext3 performance bottleneck as the number of spindles gets large

Andrew Morton
2002-06-20T01:50:58Z

mgross wrote:
>
> We've been doing some throughput comparisons and benchmarks of block I/O
> throughput for 8KB writes as the number of SCSI addapters and drives per
> adapter is increased.
>
> The Linux platform is a dual processor 1.2GHz PIII, 2Gig or RAM, 2U box.
> Similar results have been seen with both 2.4.16 and 2.4.18 base kernel, as
> well as one of those patched up O(1) 2.4.18 kernels out there.

umm. Are you not using block-highmem? That is a must-have.

http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.19pre9aa2/00_block-highmem-all-18b-12.gz

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