A indexing engine and method are provided for operating an indexing engine that parses and indexes data created by a set of users associated with a business entity on a database while interacting with a service associated to the database, the method comprising: monitoring the users' interactions with the database related to a creation of new data by one or more of the users over a predefined period of time when using the service; monitoring service availability during these interactions over the same predefined period of time; and changing an indexing frequency based on both parameters associated with the monitoring of the users' interactions and the service usage conditions.