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Performance Problem on Soap Receiver Side


my scenario is: FTP to SOAP (asynchronous) on PI 7.31 SP11.

The ftp sender is providing a few hundred files at once, unfortunately the processsing at productive environment takes too long, like 15-60 minutes, depending on the number of files.

What is really strange here, the same scenario is working 100% properly at the test environment! So i did some tests to find out the bottleneck:

FTP -> PI prod -> SOAP prod - slow

FTP -> PI test   -> SOAP prod - fast

FTP -> PI prod -> SOAP test   - fast

FTP -> PI prod -> NFS prod    - fast

So if found: Only slow, if i use the productive PI to productive soap receiver.

The adapter configuration is 100% the same as on test system.

I watched the slow messages and found:

First message:

Normal processing of the steps until "XISOAP: XI message received for processing".

Then it takes 4 seconds before "SOAP: Processing completed". This happens withing milliseconds on test environment.

Later messages stay longer and longer in a queue.The processing time is going up to 36 seconds (instead of 4).

-> Something is stopping / slowing them to be processed. This "stopper" becomes worse if more messages are processed.

Does anybody have an idea to explain this strange behaviour?



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