Never mind I found it. Transactions setting were not what I thought they
were. Doh!
-Peace
Dave
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Dave King
> Sent: Friday, June 08, 2001 4:33 PM
> To: [EMAIL PROTECTED]
> Subject: [JBoss-user] CMP Performance Question
>
>
> with jaws/cmp it seems that each set method issues an update
> statement to
> the DB. I'm wondering why this is. I'm guessing that it is
> easier this way
> as the bean does not need to track what fields need to be updated.
>
> But that is a guess. I'm just curious as this behavior came
> as surprise to
> me. I was expecting the bean to issue one update as a transaction
> completes.
>
> Here is what I am seeing.
>
> in a session bean a do something like
>
> customerBean.setName("Bob Tomato");
> customerBean.setUrl("www.bigidea.com");
>
> I see 2 sql statements with the SQL Server Profiler.
> update CustomerBean set name ='Bob Tomato"' where customerKey = 1
> update CustomerBean set url ='www.bigidea.com' where customerKey = 1
>
> I was expecting just one update statement for both.
>
> I have the session bean methods and CustomerBean methods set
> to Required
> for Transaction in ejb-jar.xml.
>
> I'm using
> MS SQL Server 7
> INET UNA driver (I know the Opta Driver is recommended but we
> have the UNA
> driver)
>
> So I'm curious about this behavior, and why it is that way.
> Would a BMP
> system have to have the same behavior? Is this some obvious
> setting that
> I've missed? Would this be worth changing? or is the
> overhead in tracking
> that some field needs to be updated higher than the cost of a
> update? If
> it's worth changing/investigating where do I sign up?
>
> -Peace
> Dave
>
>
>
>
>
>
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