I wrote the first part of this example in 2012.
The database writer copies data blocks from the buffer cache onto disk. The db_writer_processes initialization parameter determines how many processes will do this task. Its default value is 1 or cpu_count / 8, whichever is greater. I found an Oracle 9 database on a Tru64 server with cpu_count set to 1:
SQL> l
  1  select value from v$parameter
  2* where name (more...)

Back to the future

Back in 1993 I started my career at Oracle as a Unix System Administrator with a specialization in Sun Solaris. I have been using the Solaris operating system ever since the Solaris 2.0 Early Adopter program started in 1991. Those were the days ;-) In late 1998 I switched from being a system administrator to […]

Solaris VM Templates for WebLogic Server 12.1.3

A new set of VM Templates for Solaris have been made available on OTN. 
These templates  provide a quick and easy way to spin up pre-built WebLogic Server 12.1.3 instances using either Solaris Zones or Oracle VM Server for Sparc.


My Presentation on Oracle Solaris Zones Capacity Management

So one more successful annual conference of All India Oracle Users Group (AIOUG) happened on November 9th and 10th at Hyderabad, India.

Earlier I used to attend Oracle database sessions at AIOUG but this time AIOUG board had done a remarkable job by extending the coverage to Solaris topics. Obviously as (more...)

Lucky to find it…

Earlier this month I was able to bought the book “Sun Performance and Tuning: Java and the Internet (2nd Edition)” for only 190pesos at some bookstore :)


Amazon sells it for 2400pesos.. ;)

It’s a pretty old book and was published around 1995-1996 but the content is still interesting. This led me to research more on the author and all of his work. Well hey! This guy is a recipient of the Michelson Award by Computer Measurement Group (CMG) I strongly suggest you subscribe to the monthly MeasureIT publication.. lots of good stuff on performance. The name of the mystery guy is (more...)