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Maarten Smeets
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Maarten's posts

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Oracle SOA Suite: Want performance? Don't log so much and clean up your database!
The Oracle SOA Suite infrastructure, especially composites, use the database intensively. Not only are the process definitions stored in the database, also a lot of audit information gets written there. The SOA infrastructure database, if not well managed, ...

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Oracle SOA Suite: Two-way SSL with TLS1.2 made easy (slightly less complicated)
Transport layer security is not an easy topic. Many blogs have been written about this already. Surprisingly though, I did not find a single blog which was more or less complete and provided me with everything I needed to know to get this working on SOA Sui...

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R: Utilizing multiple CPU's
R is a great piece of software to perform statistical analyses. Computing power can however be a limitation. R by default uses only a single CPU. In almost every machine, multiple CPU's are present, so why not utilize them? Utilizing multiple CPU's Luckily ...

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Oracle Mobile Cloud Service (MCS): An introduction to API security: Basic Authentication and OAuth2
As an integration/backend developer, when starting a project using Mobile Cloud Service, it is important to have some understanding of what this MBaaS (Mobile Backend as a Service) has to offer in terms of security features. This is important in order to be...

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Machine learning: Getting started with random forests in R
According to  Gartner , machine learning is on top of the hype cycle at the peak of inflated expectations. There is a lot of misunderstanding about what machine learning actually is and what it can be done with it. Machine learning is not as abstract as one...

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Oracle SOA Suite: Find that composite instance!
When executing BPM or BPEL processes, they are usually executed in the context of a specific entity. Sometimes you want to find instances involved with a specific entity. There are different ways to make this easy. You can for example use composite instance...

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Oracle Service Bus: Produce messages to a Kafka topic
Oracle Service Bus is a powerful tool to provide features like transformation, throttling, virtualization of messages coming from different sources. There is a (recently opensourced!) Kafka transport available for Oracle Service Bus ( see here ). Oracle Ser...

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Oracle Service Bus: Pipeline alerts in Splunk using SNMP traps
Oracle Service Bus provides a reporting activity called Alert. The OSB pipeline alerts use a persistent store. This store is file based. Changing the persistent store to JDBC based, does not cause pipeline alerts to be stored in a database instead of on dis...

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WebLogic Server: Logging the SOAP action in the access.log
WebLogic Server allows you to customize your access.log. This can be very powerful if you want to monitor for example service response times in a tool like Splunk (see here ). When working with SOAP services though, especially those with many operations, it...

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Oracle Mobile Cloud Service (MCS). Implementing API's using custom JavaScript on Node.js.
Oracle Mobile Cloud Service is a mobile backend as a service. MCS does its magic by providing a lot of features to make implementing mobile services easy such as (among many other) authentication, logging/analytics, lookups and calling other services. There...
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