On Apr 22, 2010, at 2:17 PM, Farrukh Ijaz wrote:
Hi WOGurus,
1. We've few applications based on same database structure. What
happens, one of the application after approximately 500 hits gets
down. What can be the reason for that? (I know the question is too
broad but would appreciate for any clues).
What does "gets down" mean? Runs out of memory? The JVM process
crashes? Deadlocks?
2. Sometimes the logs show message with Runtime Exception "Statement
running too long" what can be the reason.
The statement running too long? Un-optimized or sub-optimal SQL can
cause this. Which database? Using Wonder?
Does the database backup running on the same database can cause this
problem? If yes, how to fix that?
It could by making the machine slower. The fix is database
dependent. You could replicated it on a different machine and backup
that machine.
3. I've read in the documentation that we can have multiple editing
context but all of them by default share 1 database context.
More importantly one database connection.
What I understand from this is if we configure pooling setting in
the properties file it won't have any affect since there is only one
channel for database. Is that right?
I guess that depends on which pooling you are referring to. One I am
thinking of randomly assigned an EOF stack wtih DB connection to new
sessions.
If yes, how can we enable them to utilize connection pooling without
creating multiple database contexts per session.
Chuck
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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