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Lightning is a simple and easy to customise theme. It is outstandingly versatile for all-round use as well as for business sites and blogs.
In this post we show how to configure a Kafka Streams application in the context of Spring Cloud Stream that we deploy and run on Cloud Foundry PaaS. 1. Software Stack In this tutorial we use Kafka Streams version 2.4.0, Spring Boot 2.2.2.RELEASE and Spring Cloud dependencies HOXTON.RELEASE. For the actual version of all the […]
Java Flight Recorder for Spark on Yarn In a previous post we have discussed how to enable Java Flight Recorder for Java applications. Here we show how to enable Java Flight Recorder for Spark applications running on Yarn. In this example, we use “RDDRelation”, a Spark SQL application that is provided in Spark distribution. We […]
Java Flight Recorder is a profiling tool for Java which is included in the Java Virtual Machine (since JDK version 7u40 or newer). The overhead of the tool is very small when we use the default profiling setting (the performance impact is below 1%). This makes it attractive for profiling applications even in heavily loaded […]