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From Nick Rosser <nros...@salmonllc.com>
Subject Re: OFBiz Caching and Memory Documentation
Date Wed, 19 Dec 2012 13:35:29 GMT
OK, thanks, we'll make the change.

Is this documentation generally useful? We struggled finding anything on 
the details and nuances of the whole caching scheme. And it's critical 
for scalable implementations.

Best Regards,

Nick Rosser
nrosser@salmonllc.com
O: 516.742.7888 x221
C: 516.901.1720


On 12/19/2012 12:34 AM, Jacques Le Roux wrote:
> I read
>
> <<Other caches:
>    a.. FTL
>    b.. Groovy
>    c.. XML files>>
>
> There are also :
> properties
> security (minor)
> workflow (deprecated, I will move this to Attic)
> product.content
> minilang
> bsh  (deprecated)
> service (model)
> BsfEvents (deprecated)
> JasperReports  (deprecated OOTB)
> controller
> widgets
> datafile
>
> See cache.properties
>
> Jacques
>
> From: "Nick Rosser"<nrosser@salmonllc.com>
>> Adrian,
>>
>> Thanks for the clarification ... point taken ... we'll update the doc
>> with your comment.
>>
>> Would you agree that it has minimal usage when it comes to the database
>> caching aspect of OFBiz?
>>
>> Best Regards,
>>
>> Nick Rosser
>> nrosser@salmonllc.com
>> O: 516.742.7888 x221
>> C: 516.901.1720
>>
>>
>> On 12/18/2012 2:58 PM, Adrian Crum wrote:
>>> "Use File Store? True indicates that the cache can grow beyond the
>>> memory limit and will push additional elements to disk. This has
>>> limited usefulness since the processing required to integrate with the
>>> file system is roughly equivalent to retrieving from a database. We
>>> recommend that this is set to false unless there is specific knowledge
>>> or requirements to use a File Store."
>>>
>>> That statement is overly simplistic. It assumes caches are used solely
>>> for storing database data - when they are also used to store OFBiz
>>> internal structures. Caching to disk can reduce the time required to
>>> retrieve/parse many things that are not stored in the database.
>>>
>>> -Adrian
>>>
>>> On 12/18/2012 3:39 PM, Nick Rosser wrote:
>>>> This is a guide that we put together as we were coming to terms with
>>>> the OFBiz caching and memory scheme. Existing documentation, as far
>>>> as we could tell, was just about non-existent. Since the caching
>>>> scheme is so important from a performance and memory usage point of
>>>> view we decided to document our findings.
>>>>
>>>> For anyone's review -- we'd be interested in any feedback:
>>>>
>>>> http://bigfish.salmonllc.com/help/guideCachingAndMemory.htm
>>>>

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