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From Dariusz Łuksza <>
Subject Re: [c3 monitoring] Cache overview
Date Fri, 17 Jul 2009 12:32:19 GMT
On Fri, Jul 17, 2009 at 7:16 AM, Reinhard Pötz<> wrote:
> Dariusz Łuksza wrote:
>> On Wed, Jul 15, 2009 at 8:43 PM, Simone Gianni<> wrote:
>>> Given these three scenarios, these are things that may be useful to see via
>>> JMX, but I don't know which of them are actually achievable or already
>>> there, so this is an "abstract" POV :
>>> - The component that stored that entry (it's part of the name already for
>>> ComponentCacheKey)
>>> - Which "pipeline" I'm referring to, so that if it's not working properly I
>>> can check if there is cached stuff.
>>> - The size of the entry, I see it is possible to obtain it from CacheKey
>>> with your patch. this is useful if I'm profiling or in desperate need to
>>> free some ram.
>>> - When that entry will expire by itself, if it will.
>>> - Last time that entry has been used (red) from the cache, if ever.
>> Here you generally refer to single cache entry. But question how to
>> represent cache entry on JMX tree is still actual. I have two ideas
>> how we can do that:
>> - based on URL with they published
>> - based on pipeline and type of cache
> Just one quick comment for now (I'll get back to you with more thoughts
> at the weekend but the discussions already goes into the right direction
> IMHO):
> Does this still work if you have thousands or tens of thousands cache
> entries?

In this case it'll cost some CPU time and user patience to find elemnt
that he is actually looking for, but right now I don't have anny other
ideas ...

Best regards


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