JVM Garbage Collection and Optimizations

Overview When troubleshooting systems for performance-related issues, memory optimizations are a place that needs a deep analysis of what each…

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Tomcat JDBC Pool – Connection Leak – Catch the Culprit

Database connection leaks are something that can stay hidden unless paid specific attention and would come to the surface at…

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SPIFFE in a Nutshell

I have been studying SPIFEE(Secure Production Identity Framework For Everyone)[1] for sometime and here I am drafting the flow as…

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Authorization for a Multi-Cloud System

This is a project design I am currently working on to consume SPIFFE(Secure Production Identity Framework For Everyone) bootstrapped trust…

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Adding Custom Claims to the SAML Response – (How to Write a Custom Claim Handler for WSO2 Identity Server)

Overview The latest release of WSO2 Identity Server (version 5.0.0), is armed with an “application authentication framework” which provides lot…

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Signing SOAP Messages – Generation of Enveloped XML Signatures

Digital signing is a widely used mechanism to make digital contents authentic. By producing a digital signature for some content,…

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Invoking APIs using a Web App with OAuth2 and use of JWT – WSO2 API Manager

In this post I am to share my experience and understandings using WSO2 API Manager(API-M) for a very common and…

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Deploying Identity Server over a JDBC Based User Store

With this post I am to demonstrate how to configure WSO2 Identity Server with a JDBC user store. For the…

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Hadoop Single Node Set Up

With this post I am hoping to share the procedure to set up Apache Hadoop in single node. Hadoop is…

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