2015 in review

The WordPress.com stats helper monkeys prepared a 2015 annual report for this blog.

Here's an excerpt:

The concert hall at the Sydney Opera House holds 2,700 people. This blog was viewed about 12,000 times in 2015. If it were a concert at Sydney Opera House, it would take about 4 sold-out performances for that many people to see it.

Click here to see the complete report.

Crazy Idea of Mixing Flashback Data Archive and Editioning

Now that Flashback Data Archive is now included in the base 11.2.0.4 license, I had the crazy idea to mix it with Database Editioning.

Implementation of Logical Standby Database a Failure

Three (3) years ago, I recommended and set up a logical standby database for a critical business function. This is now widely viewed as a failure.

Rough and ready performance tuning of logical standby database instance

Today, we did some rough and ready performance tuning of one of our logical standby database instance.

Presenting Percentages

Today, a quick performance comparison came back to bite me, and it was all about percentages.

Incorrect LOG_ARCHIVE_DEST_n Setting Invalidates FRA Quotas

Today, I found out why the limit set by DB_RECOVERY_FILE_DEST_SIZE was not working.

Some comments on “How Amazon web services uses formal methods” at #ACM

There is an interesting article about How Amazon web services uses formal methods.