Big Data Consultant

Ranko Mosic

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Amazon Web Services is a global IT infrastructure platform that runs even the most demanding, mission critical corporate applications and databases. Industry heavyweights like Oracle and Microsoft are trying to catch up with the Cloud technologies that AWS started pioneering back in 2002. All major industry players now realize Cloud can’t be ignored anymore. It is obvious that Cloud paradigm shift is as dramatic as the move from mainframe to client-server. Companies of all sizes are hurriedly building private Clouds, using public Clouds, or building hybrid private-public Cloud environments. AWS Architecture and Major Building Blocks New services and features are constantly added to AWS. Providing a complete overview of  AWS is thus a never-ending job. I will deal with services that are of biggest importance for corporate users throughout this book. AWS Regions and Av... (more)

Column Store, In-Memory, MPP Databases and Oracle

( For latest information on Oracle 12c database update please refer to the following article: Oracle 12c Database and How It Relates to SAP Hana ) RDBMSs are stable and mature products. While there is nothing radically new on horizon that would challenge Codd's relational theory and related advances in data processing there are some developments that force established vendors like Oracle to come up with new features and products. Column Stores and Oracle Column store concept has been around for quite a while. Vendors like HP Vertica grabbed some market share in data warehousing seg... (more)

Enterprise Class Oracle Databases in the Public Cloud?

Most of enterprise class shops today run their Oracle databases on either HP-UX, AIX or Sun OS operating systems. Is it possible to move these databases to the public cloud, and, if so, who are providers who can help with such a move? Public cloud services are closely related to virtualization i.e. usage of various flavors of popular Virtual Machines (VMware, XEN). VMs are one of major ingredients giving cloud services such great characteristics as scalability, on-demand instant provisioning and deprovisioning of resources. Virtual Machines are able to run many guest operating s... (more)

Oracle Fusion Applications - Installation and First Impressions (Part 7)

Oracle Fusion Applications Provisioning is the überinstaller for OFA. Based on your input and its knowledge about OFA dependencies it will prepare and deploy OFA components to appropriate target locations. Provisioning Plan is driving the installation process. It is created when you select this option from Provisioning Wizard:   Here you pick components Provisioning Plan is created for - we chose Oracle Financials module: Wizard will show you topology summary and details about the chosen configuration: Here we provide Access Manager details: Here we supply Oracle Identity ... (more)

Mainstream Business Applications and In-Memory Databases

(Please refer to the following article: Oracle 12c In-Memory Database is Out - Hardly Anybody Notices for update on Oracle 12c databases) Contemporary large servers are routinely configured with 2TB of RAM. It is thus possible to fit an entire average size OLTP database in memory directly accessible by CPU. There is a long history of academic research on how to best utilize relatively abundant computer memory. This research is becoming increasingly relevant as databases serving business applications are heading towards memory centric design and implementation. If you simply place... (more)