The Database Admin? The Systems Admin? What about the storage admin? Brian Bream, CTO of Collier IT, gives us his opinion on the matter, as well as other reactions about the Exadata that he gets from the students of his Oracle University classes.
Tech13 - Day 2: 11 different streams with 3 dedicated to the databases. Many interesting topics and it's sometimes hard to choose to which session attend. I tried to keep an eye on sessions about performances.
My concurrent manager processing a request very slow, even i checked actual process, target process are equal, could any one please share me step by step approach to resolve it.
thanks & regards.
Yesterday was the first of December and I detected an issue with the exadata_metrics.pl script when dealing with the
This is the first year since 2006 that I don’t present and don’t attend UKOUG Technology annual conference. Sad but I had to withdraw because I didn’t believe UKOUG had been making the right choices in the past little while. The trigger was the introduction of the limit of six presentations per company to present at the conference which I believe doesn’t really serve well the conference attendees nor my company that I’m so passionate about nor my colleagues that I’m so proud to work with.
SQL performance can degrade for many reasons, some of most common are:
- plan changes
- data skewness
- low caching efficiency
- data growth
All these factors are relatively well known. A somewhat less common, although not exceptionally rare scenario, is read consistency overhead due to concurrent DML against queried tables. Because of being less common, this scenario is often overlooked, which leads to false diagnoses (and eventually to “fixes” that can do more harm than good).
Today was the start Tech13, 4 days about Oracle Technology. This year, 7 streams started today (3 last years). I also had a slot to give my presentation about the optimizer behavior in 12c.
On the first presentation we attended a summarized overview of Weblogic installation.
There are two main manner to proceed. One using a GUI based interface, and the other in silent mode.
At the end of the presentation, we have installed a new Weblogic domain in a virtual machine per-configured by the presentation speakers.
Today, we participated in two WebLogic presentations - and won the WebLogic Hackathon contest! But first, let's talk about the sessions.
The first session was a summarized overview of the Weblogic installation process.
There are two manners to proceed. On the one hand, you can use a GUI based interface, and on the other, you can use the silent mode.
Today was the first day of the United Kingdom Oracle User Group usually called the Super Sunday!