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The ACE Scorecard
The newly introduced “Oracle ACE Program Scorecard” felt like I did a timesheet of my Oracle online footprint for the entire year. Spent most of the day (afternoon until midnight)...
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Azure and Oracle Cloud – My First Time
Below talks about my experience trying out Azure and Oracle cloud for the very first time (and at the same time). So last night I tried for the very 1st time the Azure and Oracle Cloud. Here, I just...
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howto: github – talks branch
A couple of months ago I did a presentation and decided to put the files up in github (https://github.com/karlarao/conference_eco2015) just because I wanted to move away from dropbox for my scripts...
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Diagnosing and Resolving “gc block lost”
Last week, one of our clients had a sudden slow down on all of their applications which is running on two node RAC environment Below is the summary of the setup: – Server and Storage: SunFire X4200...
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Yast on OEL
Lately I’ve been playing with Enterprise Manager Grid Control 10.2.0.4 on OEL 4.4 (I’ll upgrade this to 10.2.0.5 soon) and I’ve had a couple of product presentation and demo focusing on the Database...
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Understanding the SCN
For the DBAs who want to have a refreser on SCN (system change number), this article article is very nice and explained clearly written by Sandeep Makol. It started on where you ‘ll find info for SCN...
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Advanced Oracle Troubleshooting by Tanel Poder in Singapore
When I first saw that Tanel will conduct his seminar in Singapore, I told myself that I would even spend my own money just to be on that training! I’ve already read performance books like Optimizing...
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OS Thread Startup
Recently I encountered a performance problem scenario where a simple sqlplus “/ as sysdba” took about 2minutes to finish, this is critical to the client’s business because they have a local C program...
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Single Instance and RAC Kernel/OS upgrade
This document will serve as a guide for the Kernel and OS upgrade activities for Single Instance on ASM using raw devices RAC with ASM (using ASMlib) and OCFS2 Upgrading the Kernel and OS is easy and...
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Security, Forecasting Oracle Performance and Some stuff to post… soon…
I’ve been busy this February “playing around/studying” on the following: 1) Oracle Security products (Advance Security Option, Database Vault, Audit Vault, Data Masking, etc. etc.). Well, every...
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Migrate from Windows XP 64bit to Ubuntu Intrepid Ibex 8.10 64bit
I’ve been using the newest and the greatest version of Ubuntu (Intrepid 8.10) for almost a month now and I’m happy with it :) Finally I’m using a Linux OS, and not even dual booting.. I’m an RHCT who’s...
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Oracle-Validated RPM on OEL 4.5
This is officially my first post on this blog.. finally after weeks of procrastination ..So here it goes.. Last August 29, 2008 on one of the RSS feeds of OTN TechBlog Sergio Leunissen posted a blog...
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my Time/Task/Goal/Habit (TTGH) management
There was a post last night on oracle-l on the topic of task/project/time management, and I’m a big fan of productivity hacks and the whole GTD idea or method...
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OOW and OakTable World 2013
Today is the 1st day of OOW for me, and there are a lot of cool stuff going on. Sessions: ——————– Later I’ll be doing an IOUG session at Moscone West talking about CPU on how to monitor and do capacity...
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Speaking at E4 2013! … and some Exadata Patents good stuff
I’ll be co-speaking with Tyler Muth at E4 and we will be talking about Performance Visualization… some of you may already know that I’m really a big fan of Tableau and just to give you an example on...
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RMOUG, IOUG Collaborate, KSCOPE, and E4 2013
I’ve been really busy lately doing a lot of stuff, and most of the time if I’m doing some intensive research on a topic I would just put them all in my braindump (wiki) so if you’ve been following this...
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Oracle Big Data Appliance First Boot
This is a quick video of our Big Data Appliance first boot yesterday in our server room (with Kerry and Andy), now she’s beside our two Exadata quarter racks all we have to do now is connect both of...
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OakTable World 2012
This Monday Oct 1, 2:00-2:50PM I’ll be presenting at the OakTable World which used to be called as Oracle Closed World, this year it’s a full two-day conference with awesome speakers lineup and very...
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Speaking at E4!
I’ll be co-speaking with Randy Johnson (one of the authors of Expert Oracle Exadata) at E4 to share about the war stories and detail on a bunch of technical stuff on a Peoplesoft and BIEE consolidation...
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The effect of ASM redundancy/parity on read/write IOPS – SLOB test case! for...
Last week I had a lengthy post at oracle-l that tackles Calibrate IO, Short Stroking, Stripe size, UEK kernel, and ASM redundancy effect on IOPS Exadata which you can read here followed by interesting...
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