The Virtual Memory used by the Collection-Service and Crawler-Service can increase between 1GB to 2GB per process, eventually resulting in Out of Memory and causing the Enterprise Vault (EV) Services to shut down on the EV Indexing Server.
The following Warning is Logged in the System log:
Event ID 2004
Source: Resource-Exhaustion Detector
This issue has been addressed as part of the following release:
Enterprise Vault 10.0.3 - Release Details