Sunday, June 3, 2012

Parallel Concurrent Processing

Important points regarding PCP.
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1)The terms and services PCP and GSM go together.That is to say, if PCP is set up in a configuration it means that GSM is enabled.

PCP can't be activated independent of GSM.

2)ICM can run on any node , it can activate and de-activate managers on all nodes.

3)ICM should be active all the time, TO ensure this, we have Internal Monitor which monitors ICM and restarts it , in case of a failure.

4)One Internal Monitor manager should be defined for each node.

5)Internal Monitor Processes are activated and deactivated by the Internal Concurrent Manager.

6)Primary node for ICM can be defined. This is the node ICM prefers to run if node is available ( any comments?)

7)Primary and secondary node names for all other concurrent managers can be defined.
However, If no primary node is assigned, ICM assigns a valid concurrent processing server node as the target node.

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