MessageExpired because of large amount of data

Hi Experts, i need some advice for my following scenario.
I have a 50000 data that need to be inserted into SAP R3 HR. I am using BPM when calling the RFC dan using a sync message to get the response from the RFC. However, i think because of the large amount of data, i get the error "MessageExpired" in my monitoring.
After i read some documentation, i find that a sync message has a timeout period (xiadapter.inbound.timeout.default = 180000 [ms] ) . My question is, if the 180000ms is not enough for the RFC to process the whole 50000 data, i can increase the timeout time, am i right? But then, to what maximum value will be the most appropriate for me to set the timeout value so that it will not effect the performance of XI. Anyway, does increasing the timeout value effect anything at all?
Need the advice and inputs from you experts...Thank you so much in advance...

Made,
I posted this answer to a similar request a couple of weeks ago
I had a similar issue some time back and used the following three parameters
1. Visual Administrator
SAP XI Adapter: RFC parameter syncMessageDeliveryTimeoutMsec
This parameter is explained in SAP Note 730870 Q14 and SAP Note 791379
2. Alert Configuration
SA_COMM parameter CHECK_FOR_ASYNC_RESPONSE_TIMEOUT
This parameter specifies the maximum time in seconds that can pass between the arrival of the synchronous request message on the Integration Server and the asynchronous response message. If this time period is exceeded, a system error is returned to the caller.
3. Integration Process TimeoutControlStep
My design is such that timeout parameter 3 which is set in the Integration Process will be triggered first. This will give me control to handle the timeout via an SMTP email prior to either of the other timeouts taking effect
Regards,
Mike

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