José Valerio TimesTen, RAC & Oracle Technology

Hanging out!

07.18.2010 · Posted in Personal

Hi everybody! Probably most of you knows about me and my plans, really need a hang out to think and planify the challenges that are comming in my professional life. Also It’s true I’m a little stressed out, for this reason I’ll take a break and stop blogging. Guess I’m comming back  at end of August ...

Global Cache Waits – White Paper

07.02.2010 · Posted in 10g R1, 10g R2, Internals, RAC, White Papers

Who should read this white paper? This white paper is intended to be accessible to those who are not relatively new to the Real Applications Cluster performance. Familiarity with advanced Oracle concepts and SQL language is assumed. About Technical Reviewers Pablo Albeck – Oracle Practice Manager at Oracle Corporation, with several years of experience in performance tuning complex Systems. ...

Server Pools – Clusterware 11g Release 2 – Part I

06.20.2010 · Posted in 11g R2, Clusterware

Introduction 11g Release 2 has introduced a new option to administer the cluster called “Police-based Management”, traditional physical method is still available. This is an incredible new feature that needs to be researched, clearly marks the new direction that Oracle wants to give us, BTW, it’s a  smart direction/possibility  where the efforts will be concentrated in the ...

Draft RAC GCS White Paper its comming up!

06.07.2010 · Posted in White Papers

Still reviewing. Thanks for your interest.  I wrote a White Paper that actually is  under revision.  It will be distributed the first month exclusively  from http://oracleracsig.org Bookmark this page and come back after Jun 21, 2010. Regards, J // ...

Finally got the OCP 11g and OCS (RAC & 11g)

05.31.2010 · Posted in Certifications

Finally approved the exam 1z0-050, my OCP certification is uptodate. Now preparing the Oracle Certified Master 11g.  I would recommend the Robert G. Freeman book called  “Oracle Database 11g New Features”,   foreword by Tom Kyte. You will find this book used/new in Amazon starting from 15 bucks. Note: 1z0-050 is an upgrade exam. Certification ...

RAC LMS processes

05.25.2010 · Posted in Internals, Performance, RAC

Background Processes From 10g and over, Real Application Cluster databases has two new background processes: LMON – The Global Enqueue Service Monitor monitors the entire cluster to manage the global enqueues and the cluster resources. LMON manages instance and process failures and the associated recovery for the Global Cache Service (GCS) and Global Enqueue Service (GES). ...

RAC Interconnect Performance

05.19.2010 · Posted in Internals, Performance, RAC

The contention in blocks can be measured by using the block transfer statistic. The first step is to determine block transfer time examining  the gv$sysstat view: global cache cr block receive time global cache cr blocks received. The time is determined by calculating the ratio of global cache cr block receive time to global cache cr blocks received. ...

Performance Advantages of using PL/SQL

05.16.2010 · Posted in Performance, Technology, Tip

PL/SQL can often add to program functionality and programmer efficiency, and there are certainly many cases in which a procedural language such as PL/SQL can do things that a nonprocedural language such as SQL cannot. For a number of reasons, a PL/SQL approach might offer great performance improvements over a traditional SQL approach. Why to use ...

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