One of the most challenging aspects of maintaining a SharePoint deployment is understanding why certain events have transpired in the environment, often IT Professionals and Developers only have access to when an event occurred and are tasked with parsing Performance Counters, Event and Diagnostic logs, or executing Transact-SQL statements against the Usage database to put the what and why to the when.  These tasks are typically accomplished through an array of tools such as Excel, Log Parser, SQL Server Management Studio...read more on the SharePoint Team Blog.