Application integration & Middleware

Documentum upgrade project – D2EventSenderMailMethod & bug with Patch 12

We started the Documentum upgrade in the wintertime and our jobs ran successfully by following the defined schedule. Once we moved to the summertime we hit an issue: A job that was scheduled for instance at 4:00 AM was executed(…)

Documentum upgrade project – sharing experience

A few weeks ago, we finished a Documentum upgrade at a customer site. Now, after having analyzed and made a status point (we do that after each upgrade project to optimize our procedures and skills) it is time to share(…)

Documentum: some useful queries (DQL/IAPI)

In this blog post I want to sharing some useful DQL and IAPI queries that I am using all the time. They are more dedicated to Documentum support/debug and grouped by components. In order to use them, I recommend Qdman:(…)

SQL Server Perfmon does not start automatically

I have recently used perfmon (performance monitor) at a customer site. I created a Data Collector Set to monitor CPU, Memory, Disk, and Network during one day. Then, I ran the monitor and I received a “beautiful” error message…(…)

Java Mission Control 5.2 (7u40) deserves your attention

Recently, some new versions of java were made available. Most people think Java updates are boring and only security-oriented. But one of the last updates (7u40) includes a feature which deserves attention. I mean Java Mission Control 5.2. Hotspot incoming(…)

Understanding JVM Java memory leaks

Lots of people think that Java is free of memory management as the JVM uses a Garbage Collector. The goal of this collector is to free objects that are no longer used in the program without the developer being(…)

SQL Server 2014: sys.dm_exec_query_profiles, a new promising feature

Among the hidden features provided by SQL Server 2014 there is a very interesting dynamic management view named sys.dm_exec_query_profiles. This feature will help the database administrators and experienced developers to troubleshoot long running queries in real-time. I’m pretty sure(…)

How to avoid Failover Cluster with PowerShell scripting

One of my colleague asked me some days ago if I could create a PowerShell script to get rid from Windows Server Failover Cluster. The reason is that it has, in some specific cases, the bad habit to failover(…)

Configure a Kerberos Client and Alfresco as a Kerberized application

In the previous blog, I described How to install and manage a Kerberos Server but that’s useless if there are no clients and if no application have been kerberized! That’s why in this blog I will explain in(…)

Tempdb enhancements with SQL Server 2014

SQL Server 2014 is definitively designed for performance and I will try to demonstrate it during this blog post. I like to talk about hidden performance features because generally it does not require any changes for applications unlike in-memory(…)