Tomcat

Alfresco – Impact of SSL and LB on the import perf.

Have you ever wondered what is the impact of SSL communications or the impact of a specific Load Balancing mechanisms on the performance of your Alfresco environment? Alfresco (the Company at that time, before it became Hyland) ran some benchmark(…)

Hogging Threads check in Apache Tomcat

In Apache Tomcat, there is a Stuck Thread Detector Valve which can be enabled pretty easily through the Tomcat “server.xml” file. I talked about that in a previous blog already and provided an AWK parser to(…)

Apache Tomcat Monitoring in Prometheus without JMX

In a previous blog post, I explained how to monitor Apache Tomcat with Prometheus with help of JMX exporter. It is not always desirable to use JMX as it requires: An additional service setup (which runs(…)

HowTo – Detect and analyze long/stuck threads in Tomcat

Most Application Servers allow for long and/or stuck threads detection, to let you know that something is currently very slow, waiting on something or just simply stuck. On tomcat, this isn’t enabled by default, and you need to manually configure(…)

Apache Tomcat Monitoring in Prometheus

To monitor Apache Tomcat, the most convenient solution is to use JMX Exporter provided by Prometheus git repository. Enable JMX Remote To enable JMX Remote, I will simply add the following line(…)

Documentum – RED Warning on D2 after enabling Tomcat HTTP Security Headers

Security is and will always be a very important aspect of IT. Enterprise Content Management (or Document Management Systems or Content Services Platform or whateveryoucallit) is obviously not an exception to that. One of our main goals as a consultant(…)

Alfresco: upgrade your version of Apache Tomcat

Different versions of Alfresco can be installed with different versions of Tomcat. Alfresco provide a default version with its installer but when installing Alfresco manually, an administrator can choose to install Alfresco using a different version of Apache Tomcat. Usually,(…)