Pregel: A System for Large-Scale Graph ProcessingPregel: A System for Large-Scale Graph Processing Grzegorz Malewicz, Matthew H. Austern, Aart J. C. Bik, James C. Dehnert, Ilan Horn, Naty Leiser, and Grzegorz Czajkowski Google, Inc. {malewicz,austern,ajcbik,dehnert,ilan,naty,gczaj}@google.com ABSTRACT Many practical computing problems concern large graphs. Standard examples include the Web graph and various so- cial networks. The scale of these
