Martins Blog

Linux

Little things worth knowing: creating the Swingbench order entry schema “lights out”

This is a little note, primarily to myself I guess, about the creation of the order…
Concurrent statistics gathering in 12.1.0.2

Prompted by an actual task at hand I spent some time investigating an 11.2.0.2 feature – concurrent…
Little things worth knowing: ORACLE_SID, instance_name and the database names in Clusterware

If you ever wanted to know how Clusterware works with registered database resources, read on! It…
Interesting observations executing SLOB2 with ext4 and xfs on SSD

My lab server has 2 SSDs, one is connected using SATA 2 and another is connected…
Exadata and Virtual Private Database: will it offload my query?

During one of the classes I taught about Exadata optimisations I had an interesting question: If…
Interesting observation about standby redo logs in Data Guard

Some of you might have followed the discussion around the number of standby redo logs on…
Intra-Database IORM in action

I have been teaching the Enkitec Exadata Administration Class this week and made an interesting observation…
How to get insights into the Linux Kernel

This is probably as much a note-to-self as it can possibly be. Recently I have enjoyed…
Upgrading clustered Grid Infrastructure to 12.1.0.2 from 12.1.0.1.3

Oracle 12.1.0.2 is out, after lots of announcements the product has finally been released. I had…
Implications of threaded_execution = true in 12c

I had an interesting discussion as part of my latest presentation at the UKOUG RAC CIA…