Barman, backup and recovery manager for PostgreSQL, is designed to manage the archive of WAL files separately from periodical backups (in Postgres terms, base backups). You can see this archive...
It took longer than expected, but we have finally managed to release Barman as open-source under GNU GPL 3. Barman stands for “ Backup and Recovery Manager” and it is...
2ndQuadrant is happy to announce the release of Barman 1.0. Barman (backup and recovery manager) is an open source administration tool for disaster recovery of PostgreSQL servers written in Python...
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...
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...
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...
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...
In this article we are going to show you how to write PL/Java functions in Greenplum. I assume that you have a working Greenplum (or Greenplum Community Edition) at your...
[*MADlib*](http://madlib.net) is an open-source library for scalable in-database analytics which targets the PostgreSQL and the Greenplum databases. MADlib version 0.2beta needs to be installed properly to follow this article, so...
The software license PostgreSQL is released under makes it extremely friendly to businesses who would like to use the database in commercial products. Partly as a result of this, a...
