Marc
Thanks for the info.
I already do some caching myself in my BMP handling (probably not spec
compliant for the EJB!??!), but I guess I'll cache the finder results
also. I don't want to hack that into JBoss if it's not spec compliant.
- Keith
-----Original Message-----
From: marc fleury <[EMAIL PROTECTED]>
To: jBoss <[EMAIL PROTECTED]>
Date: Thursday, November 30, 2000 6:02 PM
Subject: RE: [jBoss-User] findByPrimaryKey performance
>Keith
>
>this is spec compliant, if you want a custom version either hack it
yourself
>or talk to us (Rickard and I) for a custom version
>marc
>
>
>|-----Original Message-----
>|From: [EMAIL PROTECTED]
>|[mailto:[EMAIL PROTECTED]]On Behalf Of Keith L. Musser
>|Sent: Thursday, November 30, 2000 2:29 PM
>|To: jBOSS-User
>|Subject: [jBoss-User] findByPrimaryKey performance
>|
>|
>|I'm looking at performance when a client accesses a BMP entity bean.
My
>|clients typically locate the bean using "findByPrimaryKey", and then
>|invoke a method on the bean.
>|
>|JBoss keeps a cache of entity bean instances for quick access, so they
>|don't need to be loaded from the DB. However, every time a client
>|(including other beans) uses "findByPrimaryKey", my
>|"ejbFindByPrimaryKey" method is called, even though the bean instance
is
>|already in JBoss' cache.
>|
>|Could you check your cache first, then call my ejbFind method only if
>|its not already in the cache? That would save a lot of DB hits on
>|frequently accessed entity beans.
>|
>|(Otherwise, I have to hit the database every time to determine whether
>|the bean exists.)
>|
>|Keith L. Musser
>|Integrated Dynamics, Inc.
>|812-371-7777
>|email: [EMAIL PROTECTED]
>|
>|
>|
>|
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>
>
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