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Oracle datafile IO latency – Part 1
On my post about observing the Exadata V1 I had an interesting comment posted by Mark Seger (author of collectl and collectl utilities) about the correlation of activities across a system, the sample...
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Graphing the AAS with Perfsheet a la Enterprise Manager
On this previous blog post I was able to take advantage of the AWR repository particularly the DBA_HIST tables to have a far better workload information and nice correlation of the Database Server’s...
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Guesstimations
We do Guesstimations (calculated or not) once in a while… and this is an interesting read about it… http://3quarksdaily.blogs.com/3quarksdaily/2008/09/useless-calcula.html In the Oracle side… we also...
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Statistically summarize Oracle Performance data
Here’s the draft of this post http://karlarao.tiddlyspot.com/#dbms_stat_funcs , expounded version coming up!
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OOW 2010 – my schedule
I was able to finalize my schedule a week before the OOW 2010 and most of the sessions that I’ll be attending are related to Performance & Exadata. So that would be: 13 conference sessions, 6...
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OOW 2010 – the highlights
I started my week with a blast by sky diving at Parachute Center – Sacramento, it was an awesome experience! Then we went to Redwood Shores to check out the Oracle office Then headed back to the...
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Oracle Closed World and Unconference Presentations
There are so many things to blog about these past few days. That is mainly about the cool stuffs around OCW and OOW, sessions that I have attended (OCW, unconference, OOW), plus the interesting people...
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After OOW, my laptop broke down – data rescue scenario
I just got back in the office from a 2 week conference + vacation (SFO,WAS,NY). Then I was finally back in shape to work and do the usual geek stuff again but suddenly my Neo laptop suddenly stopped...
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I’ll be speaking at HOTSOS 2011!
Hotsos is an annual conference that is devoted on Oracle system performance and the people presenting there are really passionate about their research and highly specialized about their subject area....
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Wheeew, I am now a RedHat Certified Engineer!
A couple of weeks ago, RedHat announced the general availability of RHEL6… also effective on this release is the change on their certification offering. RHCT will now be replaced by RHCSA (Red Hat...
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Migrating your VMs from VMware to VirtualBox (on a Netbook)
I recently bought a Toshiba nb305-n600 10.1″ netbook with Windows 7 Starter (32bit) on Atom n550, 250GB 5400 rpm disk, & 2GB of physical memory. Well this netbook has thrice the battery life (or...
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Hotsos 2011 – Mining the AWR Repository for Capacity Planning, Visualization,...
For all that loves Oracle performance.. Hotsos is truly the best conference, all the speakers are performance geeks, all the attendees talks about performance. Everything is about performance! There...
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Oracle by Example portal now shows 12g
A quick post… which is a bit interesting… As I was searching for Exadata viewlets in Oracle By Example portal (http://goo.gl/HjshR) I clicked on the “Advanced Search” and then filtered by Product...
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NoCOUG Journal – Ask the Oracle ACEs – Why is my database slow?
Dave Abercrombie mailed me earlier that the May 2011 NoCOUG Journal is already out and can be viewed online at http://www.nocoug.org/Journal/NoCOUG_Journal_201105.pdf. I met Dave at Hotsos 2011 when he...
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Enkitec University – Exadata Courses for Developers and DBAs
It’s been a long time since my last blog and ever since I joined Enkitec I’ve been busy immersing myself in Exadata stuff. So most of the time I’m just posting my brain dumps on my wiki although I know...
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VirtaThon – Mining the AWR
Earlier I did a presentation at VirtaThon which is the same topic that I presented at Hotsos 2011.. Mining the AWR and Capacity Planning are very dear to my heart and up until now I’m using every...
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Oracle Database Appliance (ODA) Installation / Configuration
Earlier Oracle announced the Oracle Database Appliance which is a really cool RAC-in-a-box. And here at Enkitec office we are very lucky to get our hands dirty and play with this new beast On the photo...
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Mining EMGC Notification Alerts
The past few days, I’ve been troubleshooting an email alerting problem on an EMGC 11.1 install on a client site. But this troubleshooting also includes setting up my own email server and reproducing...
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Easy and fast environment framework
Getting tired of typing and setting your ORACLE_HOME, ORACLE_SID and troubleshooting your . oraenv ? going/connecting to different client sites with different platforms and server environments...
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SQLTXPLAIN quick tips and tricks and DB Optimizer VST
Lately I’ve been busy on projects and research so I’m putting more and more stuff on my wiki/braindump… and really I need to catch up on blogging. I have a longer draft post about SQLTXPLAIN.. but I...
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