Hi, We have a listener node(Receive Message) node in our process model whi

siddharthg521 over 11 years ago

Hi,
We have a listener node(Receive Message) node in our process model which listens for the message once the process starts and is active throughout .
We have another process model (a standalone process) which contains send message node.
Now, according to our use case the message is sent from this process model(standalone process model) to all the instances of the above process model which has a listener node in it once or twice in 15 days or so.
Currently lets say, there are 200 instances running to which the message is sent from the process model consisting of send message node. As time goes,number of instances will keep increasing as a result of which number of instances to which message needs to be sent will also increase.
Hence, our concern is whether or not it will put any load on execution engines or not? Are sending messages to multiple instances in bulk at the same time are reliable? Is there any probability that few instances will r...

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0 shelzle over 11 years ago

For me messaging is very reliable. There are a few corner cases I stumbled upon which can be worked around in the receiving model. When you have some nodes following the receiving node and receive 2 or more messages in a short time PVs are overwritten. Synchronizing of PVs is not always possible. Another thing is: You have two receive nodes and both save some custom properties into PVs. It might happen that the wrong node receives the message first, an error occures because of the missing property and the message is cancelled before the other node receives it.
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0 shelzle over 11 years ago

For me messaging is very reliable. There are a few corner cases I stumbled upon which can be worked around in the receiving model. When you have some nodes following the receiving node and receive 2 or more messages in a short time PVs are overwritten. Synchronizing of PVs is not always possible. Another thing is: You have two receive nodes and both save some custom properties into PVs. It might happen that the wrong node receives the message first, an error occures because of the missing property and the message is cancelled before the other node receives it.
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