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From Jürgen Schumacher (JIRA) <j...@apache.org>
Subject [jira] Created: (ODE-395) MessageExchangeDAOs of in-memory processes are kept in memory despite release()
Date Mon, 20 Oct 2008 15:17:44 GMT
MessageExchangeDAOs of in-memory processes are kept in memory despite release()
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                 Key: ODE-395
                 URL: https://issues.apache.org/jira/browse/ODE-395
             Project: ODE
          Issue Type: Bug
          Components: BPEL Runtime
    Affects Versions: 1.3
            Reporter: Jürgen Schumacher


We have experienced a high memory consumption by ODE in scenarios where in-memory processes
are invoked with a relatively high frequency. This is caused by the org.apache.ode.bpel.memdao.BpelDAOConnectionImpl
which keeps the created instances of MessageExchangeDAOImpl in memory until they exceed the
TIME_TO_LIVE (hardcoded constant). This way we have around 400 of these unneeded (at least
for us ;-) objects hanging in memory occupying around 30 MB of memory all the time.

I've created a patch that removes the MessageExchangeDAO objects from the in-memory BpelDAOConnection
as soon as the invoker of the process calls release() on its MyRoleMessageExchange object.
It's probably too simplistic, but in my test cases it works without a problem.


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