Re: Merge algorithms for large numbers of "tapes"

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От Florian Weimer
Тема Re: Merge algorithms for large numbers of "tapes"
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Msg-id 87bqwgf5in.fsf@mid.deneb.enyo.de
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Ответ на Re: Merge algorithms for large numbers of "tapes"  (Greg Stark <gsstark@mit.edu>)
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* Greg Stark:

> That's one thing that gives me pause about the current approach of
> using more tapes. It seems like ideally the user would create a
> temporary work space on each spindle and the database would arrange
> to use no more than that number of tapes. Then each merge operation
> would involve only sequential access for both reads and writes.

And you'd need to preallocate the files in some way or other, to avoid
file system fragmentation.


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