Database Administration & Monitoring

Extend a Oracle Access Manager 12.2.1.3 with User Messaging Service

After upgrading a Oracle Access Manager from 11.1.2.3 to 12.2.1.3, one of my customer requested from me to configure the Forget Password feature. This feature requires the User Messaging Service that was part of the SOA software in previous versions.

No more recovery.conf in PostgreSQL 12

Traditionally everything which is related to recovery in PostgreSQL goes to recovery.conf. This is not only true for recovery settings but also for turning an instance into a replica which follows a master. Some days ago(…)

SQL Server 2019 CTP 2.1 – A replacement of DBCC PAGE command?

Did you ever use the famous DBCC PAGE command? Folks who are interested in digging further to the SQL Server storage already use it for a while. We also use it during our SQL Server performance(…)

Strange behavior when patching GI/ASM

I tried to apply a patch to my 18.3.0 GI/ASM two node cluster on RHEL 7.5. The first node worked fine, but the second node got always an error...

Technical and non-technical sessions at the DOAG 2018

The amazing DOAG 2018 conference is over now. As every year we saw great technical as well as great non-technical sessions. What impressed me was the non-technical presentation “Zurück an die Arbeit – Wie aus Business-Theatern wieder echte Unternehmen werden”(…)

ODA and CIS / GDPR features

We all know that security becomes...sorry, is one of the hottest topic when setting up IT environment. One basis for that is to be compliant with regulations or standards such as GDPR or CIS. What is not so well known,(…)

Is there too much memory for my SQL Server instance?

Is there too much memory for my SQL Server instance? This is definitely an uncommon question I had to deal with of my customers a couple of weeks ago. Usually DBAs complain when they don’t have enough memory for environments they have(…)

Patching a virtualized ODA to patch 12.2.1.4.0

This article describes patching a virtualized Oracle Database Appliance (ODA) containing only an ODA_BASE virtual machine. Do this patching first on test machines because it can not be guaranteed that all causes of failures of single VM ODAs are(…)

DC/OS: Install Marathon-LB with keepalived

After the minimal setup of the DC/OS in my further articles, I wanted to extend my DC/OS and add a loadbalancer. There are two options for loadbalancing in DC/OS 1. Marathon-LB (a layer 7 load balancer, used for external requests,(…)

EDB BART 2.2, parallel full backups without using pg_basebackup

Some days ago EnterpriseDB released the latest version of its backup and recovery tool for PostgreSQL and EDB Postgres Advanced Server, release notes here. The main new features, at least for me, are backups using multiple(…)