Neo4j cluster is available in the Neo4j enterprise version and of course in Neo4j Aura. A cluster provides causal consistency via the concept of bookmarks: On executing a transaction, the client can ask for a bookmark which it then presents as a parameter to subsequent transactions. Using that bookmark the cluster can ensure that only […]
(*) As of now R, Ruby, Python and JavaScript 😉 GraalVM consists of a Java Compiler, a VM and a JDK based on HotSpot/OpenJDK, implemented in Java. These days it’s all about additional execution modes compared to the standard JVM, mainly ahead-of-time compilation and the creation of native images. Native images are an important piece […]
TL;DR: Don’t use Open Session in View with a Neo4j-Cluster If you use Spring Data Neo4j and Neo4j-OGM in your Spring Boot application connectect against a Neo4j cluster (via bolt+routing://, neo4j:// or multiple bolt-uris), configure spring.data.neo4j.open-in-view explicitly to false like this: spring.data.neo4j.open-in-view=false What is Open Session in View? Vlad Mihalcea has written extensive amounts about […]
I left my comfort zone again and did a short video on how to use Visual Studio Code Remote development. The following shows remote containers in action: The project I am demoing is Neo4j SDN-RX, a full blown reactive Spring Data module for Neo4j. Read more about Remote Containers here.
I gave this talk several times now and every time I got asked how I created this visualization, clustering the genres I’m listening to by decade and country: I just did a super spontaneous video for that. Key take away: Just use server side rendered HTML through Thymeleaf, obviously running on Spring Boot, render the […]