Daniel Phillips wrote:
>
> This is easy to verify: say you have 100 MB of kernel source stored in, say,
> 50 different clumps on disk.
Disks use segmentation on their readahead buffers. Typically four-way.
So they will only buffer four different chunks of disk at a time.
If you're reading from 50 different places on disk, the disk keeps
invalidating readahead at the segment level.
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This archive was generated by hypermail 2b29 : Mon Oct 07 2002 - 22:01:00 EST