http://sqlserver.ro/blogs/didyouknow/archive/2010/04/14/pool-slicing.aspxWhat is Pool Slicing? Pool Slicing is a new feature that comes with SQL Server 2008 R2 that allows Garbage Collection of pools to happen incrementally, i.e. one slice at a time instead of the whole pool at one go. The slicing is done based on the createenCommunityServer 2.1 SP2 (Build: 61129.1)