KB45362: The document cache created by previous cache update subscription is deleted when triggering the next cache update subscription in MicroStrategy Intelligence Server 9.x - 10.x

SYMPTOM
The document cache created by previous cache update subscription is deleted when triggering the next cache update subscription in Strategy Intelligence Server 9.x - 10.x.
 
STEPS TO REPRODUCE

• Trigger a cache update subscription for document Doc1, and the document cache is created as below:

• Trigger another cache update subscription for document Doc2. The document cache for Doc2 is created, but the cache for Doc1 no longer exists as below:

 
CAUSE
One possible cause is that the two documents share at least one dataset. When running the second cache update subscription with the option "use valid dataset cache" unchecked, the cache for the shared dataset is updated, thus invalidating and deleting the dataset cache for the first document. 
 
ACTION
If it not necessary to run the dataset against the warehouse, check the option of "use valid dataset cache" when creating the cache update subscription as below: