Vertica Blog

phong@vertica.com

Workload Management Metrics ? A Golden Triangle

Po Hong
July 17, 2014

Modern databases are often required to process many different kinds of workloads, ranging from short/tactical queries, to medium complexity ad-hoc queries, to long-running batch ETL jobs to extremely complex data mining jobs (See my previous blog on workload classification for more information.) DBAs must ensure that all concurrent workload, along with their respective Service Level...

A Method for Vertica Workload Classification

Po Hong
June 17, 2014

Modern analytic databases such as Vertica often need to process a myriad of workloads ranging from the simplest primary-key lookup to complex analytical queries that include dozens of large tables and joins between them. Different types of load jobs (such as batch type ETL jobs and near real-time trickle loads) keep the data up-to-date in...

How to make ROLLUP fly in Vertica?

Po Hong
May 22, 2014

ROLLUP is a very common Online Analytic Processing (OLAP) function and is part of ANSI SQL. Many customers use ROLLUP to write reports that automatically perform sub-total aggregations across multiple dimensions at different levels in one SQL query.

Facebook and Vertica: A Case for MPP Databases

Po Hong
April 18, 2014

I have just come back from a business trip to China where I visited several large Chinese telecom customers to talk about the recent big Vertica win at Facebook. Two questions these customers had constantly asked me were: What?s the future of MPP databases? Will Hadoop become one database that rules the whole analytic space?

Can Vertica Climb a Tree?

Po Hong
March 24, 2014

The answer is YES if it is the right kind of tree. Here ?tree? refers to a common data structure that consists of parent-child hierarchical relationship such as an org chart. Traditionally this kind of hierarchical data structure can be modeled and stored in tables but is usually not simple to navigate and use in...