How to troubleshoot Virtual memory allocation failure in Informatica

9:26 AM 2 Comments

Your informatica mapping failed, and in the session log you see the error message

 

FATAL ERROR : Failed to allocate memory. Out of virtual memory

FATAL ERROR : Aborting the DTM process due to memory allocation failure.

 

Try the following :

 

1. The bare mimimum to run informatica is 4GB, try upgrading the server

 

2. Increase the DTM Buffer in the properties of the failed session in the failed workflow

 

3. Check if space is available on the server where informatica is installed or where your lookup cache directory name is found $PMCacheDIR

 

4. If you have many lookups, try decrease the lookup data cache size

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