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Full page logging in Postgres and Oracle

By Franck Pachot . In my opinion, the volume of logging (aka redo log, aka xlog, aka WAL) is the most important factor for OLTP performance, availability and scalability, for several reasons: This is the only structure where disk latency(…)

Backup and Restore PostgreSQL with PgBackRest I

By Mouhamadou Diaw Many tools can be used to backup PostgreSQL databases. In this blog I will talk about PgBackRest which is a simple tool that can be used to backup and restore a PostgreSQL database. Full,(…)

SQL Server on Docker and network bridge considerations

Let’s continue with this blog post series about SQL Server and Docker. A couple of days ago, I was in a customer shop that already implemented SQL Server 2017 on Linux as Docker containers. It was definitely a very interesting(…)

Can you trust option_packs_usage_statistics.sql ?

Introduction As a former Oracle LMS qualified auditor my opinion is sometimes requested before/during/after an Oracle LMS audit or simply to ensure a customer that his Oracle database is 100% in conformity with Oracle Licensing Policy. Even if(…)

How we build our customized PostgreSQL Docker image

Docker becomes more and more popular these days and a lot of companies start to really use it. At one project we decided to build our own customized Docker image instead of using the official PostgreSQL one.

La Suisse concernée par le RGPD ?

Le 25 mai 2018 entretra en application le Règlement Général sur la Protection des Données (RGPD). Il impactera toutes les entreprises opérant du traitement de données à caractère personnel sur des résidents européens. A l’aube de cette échéance, beaucoup de(…)

V$MYSTAT delta values

By Franck Pachot . Here is a little script I use from time to time to look at V$MYSTAT values and displaying on one line a set of statistics with their delta value between two calls.

Index seek operator and residual IO

This blog post draws on the previous article about index seek and gotchas. I encountered another interesting case but it is not so much because of the nature of the problem I decided to write this(…)

Windows Server – Service not starting with ‘Error 1067: The process terminated unexpectedly’

Some time ago, we were installing a Migration Center (from fmeAG) on a Windows Server and at the end of the installation, the service named Migration Center Job Server is configured and finally started. Unfortunately this didn’t go well and(…)

Documentum – DA 7.3 showing java.lang.NullPointerException on every actions

Last year, we started to upgrade some Documentum Administrator from 7.2 to 7.3 and directly after, we started to see some NullPointerException on the log files. We are using DA 7.3 on some recent WebLogic Servers versions (12.1.3, 12.2.1.2). We(…)