UIMA AS should provide a way to change the Process Timeout dynamically
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Key: UIMA-1725
URL: https://issues.apache.org/jira/browse/UIMA-1725
Project: UIMA
Issue Type: New Feature
Components: Async Scaleout
Reporter: Jerry Cwiklik
Assignee: Jerry Cwiklik
There is a need to provide a finer level of control over the Process Timeout
setting. Currently, UIMA AS client's Process Timeout defaults to 60 secs and
can be overriden by an application during initialization of the client. Once
set, it remains the same for the duration of the client. There is no way to
change it in the middle of the run. Some applications may need to adjust the
timeout on per CAS basis. The same functionality (dynamically controlled
timeout) may also be useful for UIMA AS services. The exact mechanism for
implementing this new feature is up for debate. For UIMA AS client, perhaps a
new client API can be added to change the timeout value. The application would
change the timeout, call send ( synchronous or asynchronous), and change the
timeout value back to what it was when the reply is received. Another approach
would be to add the timeout value to the CAS and have the UIMA AS client check
for it before forwarding the CAS to a service. Yet another approach would be
JMX, although this seems cumbersome.
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