The search behavior can be altered by the presence of Enterprise Content Integration Services (ECIS). ECIS is an optional component of the Documentum platform and it allows external sources of information (such as databases, websites, or other enterprise applications) to be searched along with the Documentum repositories.
EMC provides adaptors for various external data and content sources so that they can also be searched through ECIS. For example, one search request can pull results from two repositories, a database, and Google and show all the results together. If ECIS is not installed, the external source options are not available for searching.
Full-text indexing is implemented by the Index Server, which is also an optional component of the Documentum platform. However, the Index Server license is included with the Content Server license. EMC embeds FAST InStream in the Index Server, by default. Typically, the Index Server uses significant CPU and memory resources...