Hi, We are running EBS11i 11.5.9 on linux RedHat AS 3.0 , and I 've just realized that ASYNCH IO are not enabled by default on our platform... Somebody knows if asynchronous IO is supported with E-Business 11i and Could tell me more about ( can we expect to increase performances ?) Thx, Sylvain Sylvain BRUNET (DOSI-Experts-DBA) Prestataire UNILOG - Logica CMG Consultant Technique