Computer and internet applications are commonly hosted by a large number of servers, such as a data warehouse. One concern when hosting applications is execution reliability of the applications. Unfortunately, it may be the applications themselves that provide the point of failure (e.g., an executing service creates a memory leak that causes a server to fail). Because servers are often replicated, a failure of a single executing service may become a single point of failure for every server. Accordingly, one or more systems and techniques for balancing server loads are disclosed herein. A load balancer may be configured to delegate the execution of a service amongst a plurality of servers such that no server executes all services and no service executes on all servers. The distribution of service execution amongst the plurality of servers provides service execution diversity across servers that otherwise may be configured identically with services.