Daniel Westermann

Vertically scale your PostgreSQL infrastructure with pgpool – 1 – Basic setup and watchdog configuration

I have written some posts on how you can make your PostgreSQL deployment high available by using PostgreSQL's streaming replication feature in the past ( 1, 2 ). The main issue you'll have to(…)

EDB BART 2.0 – How to upgrade and block level incremental backups

We already have some posts on how you can use EDB BART to backup and restore your PostgreSQL instances from one central server (EnterpriseDB Backup and Recovery Tool (BART), getting started with postgres plus(…)

Is it the right time to move to MariaDB now?

Do you think about adding MariaDB to your database landscape or do you even think about replacing other database systems with MariaDB? Then you should register here. We will be doing a webinar with MariaDB on(…)

OGG: Unable to lock file “/xxx/de000000” (error 11, Resource temporarily unavailable).

When you see the above message in the GoldenGate logfile there are usually orphan processes that prevent GoldenGate from locking the file (typically when your trail files are on NFS). In a case I had at a customer last week(…)

Converting a column from one data type to another in PostgreSQL

Last week at a customer the following question came up: We have a varchar2 column in Oracle that contains a date but actually is stored as a string. When we want to convert this column to be a real date(…)

Can I do it with PostgreSQL? – 9 – Temporary tables

It has been quite a while since the last posts in this series, so here is what we looked at until now: Can I do it with PostgreSQL? – 1 – Restore points Can(…)

From PostgreSQL 9.1.8 to PostgreSQL 9.5.5 including a standby database with minimal downtime

As you might know PostgreSQL 9.1 is out of support since last September. But, no surprise, there are still plenty of PostgreSQL 9.1 instances out there which need to be upgraded to a supported release. At one(…)

2016 is over and it was great, 2017 will be even more exciting in the open source area

Disclaimer: This will not be a technical post at all. The goal is to provide a short overview of what we did in 2016 and what we plan to do in 2017 when it comes to our(…)

Can I do it with PostgreSQL? – 8 – Transportable tablespaces

My colleague Franck posted a comment to one of my last "Can I do it with PostgreSQL" blog posts. The comment he posted is: "Here is an idea for a future “Can I do(…)

Getting started with Docker – 2 – building your own base image

In the last post we quickly looked at how you can install everything you need to run docker containers on a CentOS 7 host and did bring up the official PostgreSQL image. However there are good reasons(…)