Tag: Database & Technology

We will discuss some of the interesting performance issues and solutions. These issues are encountered with various clients across the globe. (i) A case of High Kernel mode CPU usage (ii) Small dose of NUMA etc. (iii) A case of hung cluster due to CF enqueue locks (iv) A case of hung RAC instances due…

Of all of the new features that are included in version 11gR2 of the Oracle Database, Edition Based Redefinitions could be the one that has the highest impact on the way we develop database centric applications. With Edition Based Redefinitions you can have multiple versions of the same object in your database schema in order…

Of all of the new features that are included in version 11gR2 of the Oracle Database, Edition Based Redefinitions could be the one that has the highest impact on the way we develop database centric applications. With Edition Based Redefinitions you can have multiple versions of the same object in your database schema in order…

This presentation provides practical solutions for securing your Oracle HTTP Server (OHS). It follows the approach that was used with Project Lockdown for the database to provide a phased approach to securing the web server. The introduction explains the differences in web server setup based on usage, from reverse proxy server to J2EE Application server…

SSD or Solid State Drives is the newest Silver Bullet for providing increased performance for your databases. At times, even upto a factor of multiple times. However, if the wrong SSD drives are chosen or not correctly implemented, it can have the opposite effect and decrease database performance. The first part of this presentation will…

This session covers migration from any other platform to System z. Also covered are adjustments on the Linux box for best performance and changes to the source system which will ensure a smooth migration

This session covers migration from any other platform to System z. Also covered are adjustments on the Linux box for best performance and changes to the source system which will ensure a smooth migration

The presentation highlights a proven step-by-step methodology in detecting database performance issues and subsequent resolutions for RAC database environment. This technique has resulted in very successful deployment of RAC database at Verizon Wireless supporting over 30,000 concurrent users for a customer facing business critical application with 24X7X365 availability. The presentation demonstrates structured methodology focusing on:…

The presentation highlights a proven step-by-step methodology in detecting database performance issues and subsequent resolutions for RAC database environment. This technique has resulted in very successful deployment of RAC database at Verizon Wireless supporting over 30,000 concurrent users for a customer facing business critical application with 24X7X365 availability. The presentation demonstrates structured methodology focusing on:…

Prior to 10G, Raw Device or 3rd party cluster filesystem were the only options for Oracle RAC or OPS. Starting with 10G, even with popularity of ASM using Raw luns over FC storage network, NFS is often a much cheaper and viable option. In the case study - the same storage system was assigned as…