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From Incze Lajos <in...@mail.matav.hu>
Subject Re: JISP, cache
Date Tue, 29 Jan 2002 15:46:40 GMT
On Tue, Jan 29, 2002 at 09:40:26AM +0100, Juozas Baliuka wrote:
> At 01:33 AM 1/29/2002 -0500, you wrote:
> >What kind of performance are you getting from JISP?
> >
> >For JCS I tried using a generic key that would take a serialized object
> >and compared on the hashcode and the performance is not so great.  I ran
> >jprobe on it and the io is the bottleneck.  The hashcode was
> >insignificant. . . .  Maybe I'm too tired to see the problem.
>   I don't tried JISP, I think there are a lot of BTree implementations, and 
> user
> can choose one, may be JISP or his implementation. I know NetBeans have 
> some implementation
> may be it is the same JISP, I saw JDO RI use it. Berkeley DB is very 
> powerful for this kind of storage
> http://sleepycat.com , and believe there are more implementations .

On of them is on the sourceforge and has a BSD licence:

http://jdbm.sourceforge.net/

You can see two examples of it's use, one of the is an object cache.

incze

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