[Zope] RAM Cache Manager "next_cleanup" not working?

[Kevin L]

Hi, I'm having the same problem.

I have two dtml methods cached via a RAM Cache Manager. Cleanup
Interval is set to 1800 (30 minutes), but the methods never
expire (unless I restart zope).

I'm running Zope 2.3.2 binary release on linux.

any ideas?

thanks

-Kevin

--- Júlio Dinis Silva <juliodinis@hotmail.com> wrote:
> Hi,
> 
> I implemented a Ram Cache Manager. I cached
> some methods and they really get cached, but the
> cleanup_interval
> is not working, i.e, if I define in my Ram Cache Manager
> a cleanup interval of 5 seconds I will not see my method's
> cache
> being updated after that small amount of time. Only using the
> invalidate button of my method's cache tab I'm able to cleanup
> and soo refresh the method's cache.
> 
> I've been looking into the code and there is something
> weird with StandardCacheManagers.RAMCacheManager because
> the ZCache_set which defines the next_cleanup time, is never
> called unless at __init__ time.
> 
> This cache properties are well embeded into OFS.DTMLMethod and
> OFS.DTMLDocument and so my approach to the code will
> take some more time, but a simple test with 232 and 233 dont
> work.
> 
> My simple test is:
> 
> -create a RAMCacheManager, say "mycache"
> -create a dtml method "test1" with the code <dtml-var
> ZopeTime>
> -create a dtml document "test2" with the code <dtml-var
> ZopeTime>
> -associate test1 and test2 with "mycache"
> -define a cleanup interval of 5 seconds and a threshold
> entries of 1 and 
> then call "test1" and "test2" several times until more than 5
> seconds had 
> passed.
> 
> Isnt suppose to after 5 seconds I get a different value from
> my method or document, in this case, a diferent zopetime?
> 
> Is there anyone really using RAM Cache Manager with success,
> i.e,
> can you prove to me the cleanup_interval works? Or else there
> must be 
> something really big I'm missing here.
> 
> Meanwhile I'll look into the code.
> 
> Best Regards,
> Julio Dinis Silva
> 
> 
> 
>
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