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From "James Johnson" <johnson.jam...@gmail.com>
Subject Re: Cache Memory Size
Date Wed, 10 Jan 2007 17:01:15 GMT
Ok, thanks. Is there a profiling tool that you would recommend?


On 1/9/07, Brandon Goodin <brandon.goodin@gmail.com> wrote:
>
> The short answer is no. There really isn't a reliable way in Java to
> accomplish this from within the java code. Therefore it will not be
> something that is internally supported in iBATIS. I would recommend you
> select a good profiling tool and do your best to surmise memory usage from
> it.
>
> Brandon
>
> On 1/9/07, James Johnson <johnson.james2@gmail.com> wrote:
> >
> >
> > I was wondering if there was a way to determine the amount of memory
> > being allocated by a iBatis cache. I read a thread called "Estimating
> > amount of memory need for cache".  However, the thread ended on 25 Jul
> > 2005 with mention of an utility being developed. Was anything ever
> > developed? Or is there a some other way to determine the size of a cache?
> >
> > I believe that the cache is storing query statements and the resulting
> > objects in memory. Are the query statements the keys in a map with the
> > values being object(s)?  Also, how does the cache grow? Does it
> > preallocate memory in the "map" based on the cache size or does it allocate
> > just what is needed upon each object being added to the cache?
> >
> > Sorry for all the questions. Still fairly new to iBatis and trying to
> > get a handle on these caching aspects.
> >
> > Thanks in advance for any help.
> >
>
>

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