Hi,
The number of users(clients) is set at 500. In the XXXXDS.xml(four of
them), I have set the max connections to 200. Normally it sits around 100(even
with the 500 user load). However, after say, 1 hour, the server itself
pauses. No clients are serviced, and it is impossible to run any commands on
the server, as it will not respond. This pause can last 200 seconds, after
which time the server happily recovers.
I will increase the max DS connections to 750(ie larger than the current user
load), just to test. However, I would expect Datasources to be reused, and
having a 500 user load with only 100 datasource connections seems quite
reasonable.
In terms of the db backend, this is oracle. The oracle db seems quite happy,
and simply pauses whilst the application pauses. I have looked into several
"statspack" reports for the oracle db during this time, but no "unusual"
activity is reported, and nothing seems to be wrong. In summary the oracle
server seems perfectly fine.
A stacktrace from the jboss server, indicates that there are several threads
waiting on a db connection, yet there seems to be plenty of available headroom,
for the datasources to grow, but nothing is growing them?
thanks
Sc0tt....
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