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Threads and Dread
Joined: Nov 26, 2003
Apr 06, 2006 10:40:00
I've been running up a new website, using
, the DAO
and Apaches DBCP (database connection pool).
Somewhere in here I have an action to do a search against the database. This takes about 2 seconds to return.
This opens up say 40 connections in the pool.
If I lean on F5 submitting request after request, and open the same page in a different browser, I don't get a results until my connection pool settles down to 0 again.
Is this because
- the request is the last one, and gets serviced last.
- the DB pool is doing something funny.
- I've totally missed something and everyone has to queue when accessing the database.
I'm worried. All my code if pretty clean, but I don't know how to
this to see if I can get any concurrency. I'm using
Other pages continue to respond beatufiully.
A carrot is as close as a rabbit gets to a diamond.
I agree. Here's the link:
subject: Threads and Dread
Connection pools in WAS 5
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How to open a connection pool to a database?
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Object structure for databases in servlets
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