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jOOQ tip: don’t convert JSONB to a String

jOOQ tip: don’t convert JSONB to a String

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A few weeks ago, while investigating possible performance improvements for Kestra‘s JDBC backend, I noticed that a method we were using to map an entity to be persisted in the database into its JSONB representation was taking up a lot of time in our CPU profiles. In the following flame graph, we can see that the JdbcQueue.map() method accounts for more than 21% of the samples and the Repository.map() method for 3.2% of the samples of a CPU profile obtained…

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Java 23 : what’s new?

Java 23 : what’s new?

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Now that Java 23 is features complete (Rampdown Phase Two at the day of writing), it’s time to walk through all the functionalities that bring to us, developers, this new version. This article is part of a series on what’s new on the last versions of Java, for those who wants to read the others, here are the links: Java 22, Java 21, Java 20, Java 19, Java 18, Java 17, Java 16, Java 15, Java 14, Java 13, Java…

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Java 22: what’s new?

Java 22: what’s new?

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Now that Java 22 is features complete (Rampdown Phase One at the day of writing), it’s time to walk through all the functionalities that bring to us, developers, this new version. This article is part of a series on what’s new on the last versions of Java, for those who wants to read the others, here are the links: Java 21, Java 20, Java 19, Java 18, Java 17, Java 16, Java 15, Java 14, Java 13, Java 12, Java…

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Java 21: what’s new ?

Java 21: what’s new ?

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Now that Java 21 is features complete (Rampdown Phase Two at the day of writing), it’s time to walk through all the functionalities that bring to us, developers, this new version. This article is part of a series on what’s new on the last versions of Java, for those who wants to read the others, here are the links: Java 20, Java 19, Java 18, Java 17, Java 16, Java 15, Java 14, Java 13, Java 12, Java 11, Java 10, and Java…

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Quarkus Tip: Testing a Google Cloud function

Quarkus Tip: Testing a Google Cloud function

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I recently contributed a PR to Quarkus that contains a testing framework for Google Cloud functions. Quarkus supports creating Google Cloud functions three different ways: Using the Google Cloud API. Using a Quarkus HTTP extension: RESTEasy, Reactive routes, Servlet, Spring Web. Using Funqy, the cloud provider agnostic Quarkus function API. But until now, to test these functions, you had to package them and launch them locally via the function invoker provided by the Google SDK. The function invoker is a…

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Java 20: what’s new ?

Java 20: what’s new ?

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Now that Java 20 is features complete (Rampdown Phase One at the day of writing), it’s time to walk through all the functionalities that bring to us, developers, this new version. This article is part of a series on what’s new on the last versions of Java, for those who wants to read the others, here are the links: Java 19, Java 18, Java 17, Java 16, Java 15, Java 14, Java 13, Java 12, Java 11, Java 10, and Java 9. We…

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Java 19: what’s new ?

Java 19: what’s new ?

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Now that Java 19 is features complete (Rampdown Phase One at the day of writing), it’s time to walk throught all the functionalities that brings to us, developers, this new version. This article is part of a series on what’s new on the last versions of Java, for those who wants to read the others, here are the links: Java 18, Java 17, Java 16, Java 15, Java 14, Java 13, Java 12, Java 11, Java 10, and Java 9. JEP 405 :…

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