Thx. Sounds cool. Is this pattern included on the for-pay docos? Lately 
I am thinking about buying them since I hear of new 
behaviour/possibilities included in JBoss. Mainly I'm talking about the 
new CMP stuff and the JBoss JMX state-of-the-art.

Doesn't matter too much, since I am going to buy them anyways.

Dain Sundstrom wrote:

> Commit option A and when the row changes in the database a stored 
> procedure notifies the server that the data in cache is no longer valid.
>
> -dain
>
> Ignacio Coloma wrote:
>
>> What is that "notifications" on A scheme marc is talking about?
>>
>> Dan Christopherson wrote:
>>
>>> OK, so it's more a matter of allowing multiple bean instances. Once 
>>> that's there, B or C doesn't really matter - the extra overhead 
>>> implied by C is noise compared to the database read (which you need 
>>> either way).
>>> Of course, anybody that can use option A should.
>>>
>>> -danch
>>>
>>> Bill Burke wrote:
>>>
>>>> Yes, Tom, be more specific.  I know you're smarter than that.  You're
>>>> probably talking about the "Instance per Transaction" locking 
>>>> scheme.  This
>>>> works fine with commit-option 'B'.  Yes, it is not totally 
>>>> optimized, but is
>>>> does pool dead instances.
>>>>
>>>> Bill
>>>>
>>>>
>>>>> -----Original Message-----
>>>>> From: [EMAIL PROTECTED]
>>>>> [mailto:[EMAIL PROTECTED]]On Behalf Of 
>>>>> Dan
>>>>> Christopherson
>>>>> Sent: Friday, July 19, 2002 10:08 AM
>>>>> To: [EMAIL PROTECTED]
>>>>> Subject: Re: [JBoss-dev] Please support Option B
>>>>>
>>>>>
>>>>> Whahuh? JBoss doesn't support option B?
>>>>>
>>>>> Tom M. Yeh wrote:
>>>>>
>>>>>> Dear All,
>>>>>>
>>>>>> According to the CSIRO report
>>>>>>
>>>>> (http://www.cmis.csiro.au/adsat/jboss.htm), JBoss is doing well
>>>>> with Stateless session beans. It implies reflection, by comparing
>>>>> to static compiled codes, doesn't affect the performance much,
>>>>> while it has great architectural advantages such as pluggable
>>>>> interceptors.
>>>>>
>>>>>> However, entity beans is not the case. One of the reason, I
>>>>>>
>>>>> think, is this report uses Option B, which JBoss doesn't support
>>>>> (and uses Option C instead). In other words, all beans are
>>>>> trashed after a transaction is completed. It then introduces a
>>>>> lot of overhead since every transaction has to reload all beans
>>>>> involved from database (and you know accessing database kills the
>>>>> performance).
>>>>>
>>>>>> After examining the codes and a few talks with Bill, I don't
>>>>>>
>>>>> think I am capable to modify the codes to support Option B. Any
>>>>> volunteer is willing to do that?
>>>>>
>>>>>> Thanks and Regards,
>>>>>> Tom
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> -------------------------------------------------------
>>>>> This sf.net email is sponsored by:ThinkGeek
>>>>> Welcome to geek heaven.
>>>>> http://thinkgeek.com/sf
>>>>> _______________________________________________
>>>>> Jboss-development mailing list
>>>>> [EMAIL PROTECTED]
>>>>> https://lists.sourceforge.net/lists/listinfo/jboss-development
>>>>>
>>>>
>>>>
>>>>
>>>> -------------------------------------------------------
>>>> This sf.net email is sponsored by:ThinkGeek
>>>> Welcome to geek heaven.
>>>> http://thinkgeek.com/sf
>>>> _______________________________________________
>>>> Jboss-development mailing list
>>>> [EMAIL PROTECTED]
>>>> https://lists.sourceforge.net/lists/listinfo/jboss-development
>>>>
>>>
>>>
>>>
>>>
>>>
>>> -------------------------------------------------------
>>> This sf.net email is sponsored by:ThinkGeek
>>> Welcome to geek heaven.
>>> http://thinkgeek.com/sf
>>> _______________________________________________
>>> Jboss-development mailing list
>>> [EMAIL PROTECTED]
>>> https://lists.sourceforge.net/lists/listinfo/jboss-development
>>>
>>>
>>>
>>
>>
>>
>>
>> -------------------------------------------------------
>> This sf.net email is sponsored by:ThinkGeek
>> Welcome to geek heaven.
>> http://thinkgeek.com/sf
>> _______________________________________________
>> Jboss-development mailing list
>> [EMAIL PROTECTED]
>> https://lists.sourceforge.net/lists/listinfo/jboss-development
>
>
>




-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf
_______________________________________________
Jboss-development mailing list
[EMAIL PROTECTED]
https://lists.sourceforge.net/lists/listinfo/jboss-development

Reply via email to