What are Linux Hugepages? Video

Oracle ACE Ed Whalen of Performance Tuning Corporation speaking with Oracle Partner Network (OPN) about Linux Hugepages , what they are and how to use them to improve Oracle Performance on Linux.  Filmed at Oracle Open World 2013. http://www.youtube.com/watch?feature=player_detailpage&v=f3EHWrpunvo  

By |2017-09-20T08:36:31+00:00December 10th, 2013|Out Perform, Video|Comments Off on What are Linux Hugepages? Video

Fixing /etc/fstab after a failure

What do you do when mount fails on boot in Linux? I ran into this the other day when I deleted a filesystem and tried to reboot.  The system hangs.  The easy way to overcome this is to connect in single-user mode and edit your /etc/fstab file.  Well, you can’t do that unless / [...]

By |2017-09-20T08:43:50+00:00September 20th, 2013|Performance Wire|Comments Off on Fixing /etc/fstab after a failure

iSCSI Setup on OEL6

Recently I had to set up iSCSI on an OEL 6.4 system.  This is a fairly straight-forward process.  It does take a little bit of effort, but it can be done fairly quickly and efficiently.  The basic process is to follow these steps: Install packages. Configure iSCSI Install packages There are two packages that [...]

By |2017-09-20T08:44:22+00:00September 20th, 2013|Performance Wire|Comments Off on iSCSI Setup on OEL6

Linux Huge Pages for Oracle

When Linux servers that host Oracle database environments are configured with 16GB or more of memory and the total SGA of the Oracle databases is 5GB or more, it is strongly recommended to configure Linux HugePages at the OS level. With HugePages, the Linux memory page size is set at 2MB (instead of the [...]

By |2017-09-20T08:46:00+00:00September 11th, 2013|Tips|Comments Off on Linux Huge Pages for Oracle