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Support Article

Large set of .dat files generated in the Temp folder



A large set of .dat files are generated in the Temp folder (/PR_Temp/<prefix>expandStream.dat).

For more information, refer to:

Error Messages

Not Applicable

Steps to Reproduce

Not Applicable

Root Cause

These files have various functions that is determined from the file content.

For example, the files can be related to passivation of data pages. They can be deleted without concern and this can be managed in the Load Management of the data pages.


Perform the following local-change to suppress the files:
  1. Stop the application server.
  2. Add the below entry to modify the prconfig.xml.            

    <env name="initialization/DumpStreamOnError" value="false" /> 
  3. Redeploy.
  4. Clear the cache and extract the marker file.
  5. Restart the application server.


Published April 6, 2019 - Updated December 2, 2021

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