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Call for Papers

The call for papers  for the  Tech Server and E-Business event in the UKOUG Conference Series is only a couple of weeks from closing, so I’m just bouncing this email to the top of the pile: Once again we are launching call for papers for the annual Technology & E-Business Suite user group conference. This [...]

UKOUG 2010 CFP is now open!

Can you believe it? Already?? Yes, that’s right, the Call for Papers for the UKOUG Technology and E-Business Suite conference is already open! In my opinion, this is one of the best conferences out there! Wide variety of speakers, great topics, and, it’s not too big! This coming year will be my fifth (or is it sixth?) year attending, and it’s a trip I’ve always enjoyed, and never regretted taking the time (or money) to attend.

The CFP is open through Monday, August 2nd, 2010. The conference itself is coming up on November 29th – December 1st, 2010, in Birmingham, England.

More information is available here.

My Personal Wiki – karlarao.tiddlyspot.com




Our brain does not work in a linear or list-like manner (yeah.. not like the guy on the right). From the textbooks and blogs that we read everyday we are all aware that print is laid out in a series of lines or rows…

but our brain is multidimensional…

the information as it is being absorbed could be travelling sequentially to our brain, but internally it is not being serviced in simple lists and lines. There is a complex process of sorting and selecting and the whole network of words and ideas are being juggled and interlinked in order to have a far better meaning.

Unintended Consequences

Hi all,

My apologies for my extended absence.  Well, I ran into something interesting today, and, I thought it would be appropriate for a blog post, and apparently, I got inspired.  No startling revelation here, this is just a bit of a cautionary tale about the unintended consequences of using a new feature.  A quick search of the Oracle Documentation confirms that the skip locked directive of the select for update statement was introduced in Oracle 11g, version 11.1. But, before we dive into that, let’s review the functionality of select for update through versions of Oracle preceding 11g.

Select for update

Analyze this

Here’s a little script I wrote a few years ago to make a point about using the dbms_stats package. I’ve just re-run it on 10.2.0.3 to see if it still behaves the way it used to – and it does. If you want to be just a little bit baffled, set up a database with [...]

Philosophy – 9

There is an old joke about an engineer, a mathematician, and a philosopher sitting together in a train travelling from London (England) to Cardiff (Wales) ***
As the train crosses the border, the engineer glances out of the window and exclaims: “Oh, look! Welsh sheep are black”.
The mathematician responds: “No; all you can say is that [...]

Words fail me

I just stumbled across this fine example of the art of writing news articles when you clearly don’t understand the subject. The article has a date of 2 days ago on the front page, though curiously a September 2009 date on the article. The article purports to discuss the omotion feature of Oracle Rac One-Node. My [...]

Test to verify feed settings

Feed transfer did not apparently work.

VMWare Hires Redis Key Developer – But Why?

My friend MosheZ alerted me to the fact (which few hours later appeared all over the net) that VMWare hired Redis key developer. Which is as close to acquisition as you can get with an open source project.

What is Redis? Redis is yet-another-NoSQL. A key-value store, somewhat similar to Tokyo Cabinet. Except that Redis does persistence differently, which makes it faster in many cases. Redis started as a Memcached replacement, so a lot of the documentation describes it as follows: Redis is like Memcached, except it supports more data types, it is persistent to some degree and it is not distributed.

But the more interesting question is – Why does VMWare need Redis?

VMWare says: “As VMware continues its investments in the context of cloud computing, technologies such as Redis become key for future cloud based apps, whether private or public cloud, and the cloud infrastructure itself.”

So Redis is cloud and VMWare is a major cloud player, therefore VMWare needs redis. Two discrepancies stand out in this story:

Always Check Your Backups

So this is a 2 node RAC cluster on RHEL that was recently upgraded from 10.2.0.2 to 10.2.0.4. Since then clusterware restarts crs every few hours (8 in fact). A little research suggests that this can indicate problems with the automated OCR backup.  The first thing therefore is to check the state of the backups. [server] [...]