Posts Categorized: Technical Blog
During a recent customer environment cloning activity, I got myself up to the point where CUSTOM.plx was required to be recompiled. Nothing difficult, you might say, right? I thought the same. But that activity just killed lots of troubleshooting hours for me. frmcmp_batch.sh call was just failing with “Terminal map initialization failed.” [oracle@appslab01 ~]$ frmcmp_batch.sh…
This blog posts explains why Oracle Database Appliances re-imaging process timing may vary from 20 to 120 minutes. There are a check in the ISO:/Extras/setupodaovm.sh script that have an issue. Until the bug is fixed a) you may face different ODA nodes’ re-imaging times b) to be on the safe side check if md devices’ re-synchronization process is finished by running “cat /proc/mdstat” command before running any business critical processes on your ODA.
Sometime back, I was involved in a project that consisted in collecting information for the servers we are supporting – creating an inventory of servers. Logging into each server and collecting information is a bit tedious when you have hundreds of servers in your environment. I have spent sometime creating a script that does this…
Sometimes, it’s humongous revolutions. Most of the time, it’s itsy bitsy evolutionary steps. Today’s hack definitively sits in the second category, but I have the feeling that it’s a little dab of abstraction that is going to provide a lot of itch relief.
When I was in high school, my practical arts teacher asked us to create a miniature of a structure. This meant looking at the blueprints of an existing structure and using it to create a small replica. I thought that this would be a great opportunity to learn more about reading blueprints and understanding what…
I was recently playing with an Oracle XE database. The main benefit of Oracle XE is that it can be used free of charge.
This is a short blog post on how one can prove that a particular partition of the table or index is accessed by a specific query.
It is less than a week before the Collaborate 2013 conference. Most of us are busy putting together our individual agendas for what is shaping up to be a very exciting week. There are so many interesting sessions to choose from! Conference organizers kindly introduced a Show Planner to make planning a bit easier, but in this blog post, I will share with you how I created my agenda for Collaborate.
This is the second article in a series about internals and performance of concurrent managers. In this post, we’ll take a look at three important settings that affect the performance of the concurrent managers: number of processes, “sleep seconds”, and “cache size”. This article might be a bit on the theoretical side, but it should provide a good understanding of how these settings actually affect the behavior and performance of concurrent managers.
I want to remind you, to let us know if you would like to come for the dinner at Pedro’s on Tuesday April, 23.