Mapreduce in Greenplum 4.1 - 2nd part

Through this article, we are going to complete the MapReduce job started in the [previous article](https://www.2ndquadrant.com/en/2011/10/mapreduce-in-greenplum.html). ## Take up the problem from the previous article In the [previous article](https://www.2ndquadrant.com/en/2011/10/mapreduce-in-greenplum.html), we...
November 17, 2011

Mapreduce in Greenplum 4.1

Mapreduce is a very trendy software framework. It has been introduced by Google (TM) in 2004. It is a large topic, and it is not possible to cover all of...
October 31, 2011

Using gpmigrator in Greenplum 4.1.1

In this article, I am going to upgrade a Greenplum cluster from version 4.0 to 4.1 using `gpmigrator`. `gpmigrator` is an utility shipped with Greenplum Community Edition whose purpose is...
October 17, 2011

Using dblink in Greenplum

I’m going to demonstrate how it is possible to use dblink in Greenplum 4.0.4.0 What’s dblink? —————— dblink is a PostgreSQL contrib module that allows to execute queries on another...
September 28, 2011

Early bird registrations open for PGDay.IT 2011

The Italian PGDay 2011 will take place in Prato, on Friday November 25th, at the Monash University Prato Centre. Exactly, where it all started. The event, organised by the Italian...
September 19, 2011