Structuring data for efficient I/O format compress addr state c/c Structuring data for efficient 1/O Sebastien Ponce sebastien.ponce@cern.ch CERN Thematic CERN School of Computing 2017 1/42 S.Ponce-CERNStructuring data for efficient I/O 1 / 42 S. Ponce - CERN format compress addr state c/c Structuring data for efficient I/O S´ebastien Ponce sebastien.ponce@cern.ch CERN Thematic CERN School of Computing 2017