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From Scott Robert Ladd <>
Subject Re: [RT] rethinking the cache storage system
Date Mon, 23 Feb 2004 16:20:53 GMT
Hunsberger, Peter wrote:
>>I think that a better use of the file system would yield much more 
>>performance, since JVM IO is pretty much optimized for file access 
>>anyway (and uses OS-level caching).
> Makes sense to me: from what I understand of the issue the store is
> (mostly?) not updatable (you either do a write or a read)?  If so you
> don't need a database; file systems are actually very efficient for that
> kind of thing...

I don't understand why you're using Jisp, either. It would seemt o be 
very slow for your needs, forcing things to be serialized in and out of 
a datastore.

When I've written cache system, I've always used the file system 
directly. The only catch is that some operating systems limit the number 
of files on disk or in a directory; a very active server could hit those 
limits using individual files.


Scott Robert Ladd
Coyote Gulch Productions (
Software Invention for High-Performance Computing

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