4 Replies Latest reply on Mar 10, 2015 9:39 AM by user13672598

    HugePages and Linux



      We have a linux machine with 128 GB of RAM, there are 3 different databases running on this machine with 50/17GB, 30/10GB and 30/10GB of SGA/PGA individually. What impact is going to be there if I enable HugePages for these Databases ? I know I can enable large pages usage individually on each database with the usage of use_large_pages parameter, enabling or disabling this will allow the usage of Hugepages. What I want to know is what if I enable HugePages for all of the 3 databases ? what impact is going to be there ? will the machine suffer from OS paging/swapping ?

      Please give your expert opinion.