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Maarten Smeets
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92 followers
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Comparing JVM performance startup time and memory usage (process + JVM)
In a previous blog post I created a setup to compare JVM performance of several JVMs. I received some valuable feedback on the measures I conducted and requests to add additional JVMs. In this second post I'll look at some more JVMs and I've added some meas...
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Comparing JVM performance; Zulu, OpenJDK, Oracle JDK, GraalVM CE
There are many different choices for a JVM for your Java application. Which would be the best to use? This depends on various factors. Performance being an important one. Solid performance research however is difficult. In this blog I'll describe a setup I ...
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Monitoring Spring Boot applications with Prometheus and Grafana. Get up and running in minutes!
In order to compare the performance of different JDK's for reactive Spring Boot services, I made a setup in which a Spring Boot application is wrapped in a Docker container. This makes it easy to create different containers for different JDK's with the same...
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Running Reactive Spring Boot on GraalVM in Docker
GraalVM is an open source polyglot VM which makes it easy to mix and match different languages such as Java, Javascript and R. It has the ability (with some restrictions) to compile code to native executables. This of course offers great performance benefit...
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Securing Oracle Service Bus REST services with OAuth2 (without using additional products)
OAuth2 is a popular authentication framework. As a service provider it is thus common to provide support for OAuth2. How can you do this on a plain WebLogic Server / Service Bus without having to install additional products (and possibly have to pay for lic...
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Oracle SOA: Sending delayed JMS messages
Sometimes you might want to put something on a JMS queue and make it available after a certain period has passed to consumers. How can you achieve this using Oracle SOA Suite? Queue or connection factory configuration. Works but not message specific You can...
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Docker host and bridged networking. Running library/httpd on different ports
Docker provides different networking options. When using the Docker host networking, you don't have the option to create port mappings. When using images like library/httpd:2.4, you don't have the option to update the port on which it runs; it runs by defau...
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Automate the installation of Oracle JDK 8 and Oracle JDK 10 on RHEL and Debian derivatives
Currently (27-07-2018) the only Oracle JDK versions which are supported by Oracle are JDK 8 and JDK 10 (see here ). JDK 9 already is EOL. Often you want to automate the installation of the JDK on your Linux installation. Automating the JDK installation on R...
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VirtualBox networking explained
VirtualBox networking is extremely flexible. Which this flexibility comes the challenge of making the correct choices. In this blog, the different options are explained and some example cases are elaborated. Access between guests, host and other members of ...
VirtualBox networking explained
VirtualBox networking explained
javaoraclesoa.blogspot.com
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Securely access remote content using a proxy server accessed with SSH
There are numerous occasions that I was limited in my work because of connectivity which could not be trusted. For example; I could not download large installers due to a proxy anti virus tool which manipulated downloads causing files to become corrupted. I...
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