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From Toke Eskildsen ...@statsbiblioteket.dk>
Subject Re: Improving Index Search Performance
Date Wed, 26 Mar 2008 11:42:42 GMT
On Wed, 2008-03-26 at 10:45 +0000, Ian Lea wrote:
> If you've got plenty of memory vs index size you could look at
> RAMDirectory or MMapDirectory.  Or how about some solid state disks?
> Someone recently posted some very impressive performance stats.

That was probably me. A (very) quick test for field-look-ups the stupid
way (hit.get(fieldname)) showed about a factor 10 in speed for SSDs over
harddisks. It doesn't seem to be enough in this case though - 9 seconds
instead of 90 is still a long time to wait.


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