Clik here to view.
WebLogic – SSO/Atn/Atz – Infinite loop
This blog will be the last of my series around the WebLogic SSO (how to enable logs, 403 N°1, 403 N°2) which I started some weeks ago. Several months ago on a newly built High Availability Environment...
View ArticleDocumentum – 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...
View ArticleClik here to view.
Windows Server – Service not starting with ‘Error 1067: The process...
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...
View ArticleClik here to view.
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...
View ArticleV$MYSTAT delta values
Here is a little script I use from time to time to look at V$MYSTAT values and displaying on one line a set of statistics with their delta value between two calls. The first script, _mystat_init.sql,...
View ArticleLa 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...
View ArticleHow 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...
View ArticleClik here to view.
Could 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...
View ArticleClik here to view.
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...
View ArticleBackup and Restore PostgreSQL with PgBackRest I
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, differential,...
View ArticleFull page logging in Postgres and Oracle
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...
View Article(DESCRIPTION_LIST=(DESCRIPTION=(ADDRESS_LIST=(FAILOVER=YES)(LOAD_BALANCE=NO)
Do you have complex connection strings with DESCRIPTION_LIST, DESCRIPTION, ADDRESS_LIST, ADDRESS and a nice combination of FAILOVER and LOAD_BALANCE? You probably checked the documentation, telling you...
View ArticleBackup and Restore PostgreSQL with PgBackRest II
In a precedent blog I shown a basic utilization of PgBackRest which is a tool to backup and restore PostgreSQL databases. In this blog I am going to talk some useful features of this tool. In practical...
View ArticleClik here to view.
SQL Server Management Studio 17.4: Vulnerability Assessment
SQL Server Management Studio is a well know integrated environment used to manage SQL Server infrastructure. This new version 17.4 can support SQL Server from 2008 up to 2017. It enhances existing...
View ArticleDuplex RMAN backups between disk and tape
Below a workaround is shown how to “duplex” archivelog backups between disk and tape: Backup on disk (normal way): backup device type disk archivelog all; Immediately backup on tape: backup device...
View ArticleCPUs: Cores versus Threads on an Oracle Server
When doing a performance review I often do talk with the DBA about the CPU utilization of the server. How reliable is the server CPU utilization with tools like top or the host CPU utilization in the...
View ArticleWhat you can do when your Veritas cluster shows interfaces as down
Recently we had the situation that the Veritas cluster (InfoScale 7.3) showed interfaces as down on the two RedHat 7.3 nodes. This e.g. can happen when you change hardware. Although all service groups...
View ArticleClik here to view.
My personal journey with Linux on the desktop
My Linux experience started back in 1999 when we needed a router for our ISDN connection in our shared apartment when we were students. I don’t remember the hardware we used for that but I am sure at...
View ArticleClik here to view.
18c Read Only Oracle Home
This is the big new feature of Oracle 18c about database software installation. Something that was needed for decades for the ease of software deployment. Piet de Visser raised this to Oracle a long...
View ArticleClik here to view.
ODA 12.2.1.2.0 – VLAN Management
Virtual Local Area Network (VLAN) have become since several years a standard in enterprise class networks. Most enterprises are now segregating their network, especially for security reasons, between...
View Article
