MS Guy Does Hadoop (Part 3 – Hive)
Writing MapReduce Java jobs might be OK for simple analytical needs or distributing processing jobs but it might be challenging for more involved scenarios, such as joining two datasets. This […]
Author Archive for: Prologika
Entries by Prologika - Teo Lachev
MS BI Guy Does Hadoop (Part 2 – Taking Hadoop for a Spin)
In part 1 of my Hadoop adventures, I walked you through the steps of setting the Cloudera virtual machine, which comes with CentOS and Hadoop preinstalled. Now, I’ll go through […]
MS BI Guy Does Hadoop (Part 1 – Getting Started)
With Big Data and Hadoop getting a lot of attention nowadays, I’ve decided it’s time to take a look so I am starting a log of my Hadoop adventures. I […]
Is Excel Calculation Services Needed on a PowerPivot for SharePoint Application Server?
Scenario: A SharePoint 2010 scale-out farm with two application servers: APP1 – Runs Excel Calculation Services (ECS) APP2 – Runs PowerPivot for SharePoint (R2 or 2010) Do you need to […]
Organizational BI vs. Personal BI
This is a blog post that I’ve been planning for a while. With the ever-increasing power of laptops and desktop computers and declining hardware prices, personal BI is on the […]
Why an Analytical Layer?
I had a presentation on the BI Semantic Layer and Tabular modeling for the Atlanta BI Group on Monday. Midway during the presentation, a DBA asked why we need an […]
Presenting at Atlanta BI Group
I’ll be presenting “The Analysis Services 2012 Tabular Model” for the Atlanta BI Group on Monday, May 21st. And, Darren Herbold will share some great insights harvested from a real-life […]
Analysis Services Processing and CXPACKET Waits
Performance tuning – my favorite! This blog originated from a quest to reduce the processing time of an SSAS cube which loads some 2.5 billion rows and includes DISCINTCT COUNT […]
SQL Server 2012 ETL Framework Features in the New SSIS Project Deployment Model
When moving to SQL Server 2012, ETL developers would need to rethink custom ETL frameworks. If you embrace the new project deployment model, SQL Server 2012 offers a lot of […]
Reducing Analysis Services Index Processing Time
Scenario: Processing a 100 GB SSAS 2012 cube on a dedicated DELL PowerEdge server (128 GB RAM with 32 logical cores) reveals that 50% of the time is spent on […]
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Prologika is a boutique consulting firm that specializes in Business Intelligence consulting and training. Our mission is to help organizations make sense of data by applying effectively BI technologies.
