Big Data Consultant

Ranko Mosic

Subscribe to Ranko Mosic: eMailAlertsEmail Alerts
Get Ranko Mosic via: homepageHomepage mobileMobile rssRSS facebookFacebook twitterTwitter linkedinLinkedIn

Top Stories by Ranko Mosic

Larry Ellison's publicly proclaimed goal is to make Oracle another IBM. 1960's, Watson's IBM, not Lou Gerster's IBM. It looks like he came close to the goal, i.e., he did create another IBM, unfortunately the latter incarnation (even Oracle market cap today  is actually identical to IBM's). Nothing depicts better what Oracle became than the latest release of Oracle database - 12cR2. Oracle is dead last in the race to SAP Hana defined (as SAP likes to point out ) goal of in-memory, columnar database. Even IBM beat Oracle with actually quite solid IBM BLU Acceleration product released many months ago. What a journey - from little 70's database startup that beat mighty IBM to market using IBM's own invention (relational database), killed other similar competition like Sybase, Informix, Ingres with innovative tactics like identical database port to everything to become n... (more)

Deploying Oracle Databases to Amazon AWS (EC2, RDS)

Amazon recently added Oracle database hosting capabilities to its RDS service offering. You can rent an Oracle database related infrastructure in a pay-as-you-go fashion now. We are going to explore if corporations should be utilizing Amazon AWS Oracle Database related services (EC2, RDS ), how it should be used, where possible savings and potential trouble points are. With services like Amazon AWS it doesn't matter where your hardware and software physically is - it could be in a room next to you or in some other country. It is much easier and cheaper to procure and get new serv... (more)

How to Move Your Oracle Databases to Amazon EC2 Cloud

Amazon Web Services EC2 Cloud is full scale public data center offering services that are in many aspects far ahead of ancient practices present in regular IT environments. Fast provisioning and virtually unlimited scale make old fashioned server procurement and installations look like what they are - past century's practices. This article will not deal with usual objections to cloud computing revolving around change management difficulties ( how to incorporate new environment into the existing IT infrastructure ), security, reliability, performance etc. since we think that all t... (more)

Which Cloud Service Provider Should Host Your Oracle Databases?

Big shift towards Cloud environment has started. It is now clear that this change is similar in magnitude to the shift from mainframe to client-server computing two decades ago. Amazon Web Services is the pioneer and market leader in Cloud computing space. Other vendors are playing catch up and do not come close to the breadth and scale of AWS offerings. Services and features Amazon provides are quite extensive and cover many of the enterprise-class computing needs. APIs and command line interfaces are available for each service, which makes scripting and automation achievable. ... (more)

Overcoming Large Oracle Database Performance Problems

Typical Oracle VLDB is multi terabyte megalith running on big, expensive hardware. It is hard or impossible to back up, adding or modifying columns can take days and query optimization is very difficult. Database sharding is a well known method of breaking up a large database into smaller, manageable pieces ( database shards ). It is data warehouses i.e. VLDBs that can best take advantage of AWS database sharding capabilities. Basic premise is: manage huge volume of data by splitting it into multiple databases instead of creating table partitions. Database sharding provides a me... (more)