Messages in this thread | | | Date | Wed, 19 Jun 2002 18:55:27 -0700 | From | Andrew Morton <> | Subject | Re: ext3 performance bottleneck as the number of spindles gets large |
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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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