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Episode 103. Let’s share data cross-language with Apache Arrow! (among other things)

We have a great time talking to Matt Topol from Voltron Data on one of his Apache Software Foundation projects called Apache Arrow. It’s both a spec and implementation of a columnar data format that is not only efficient, but cross-language compatible. We walk through the scenarios that it covers and how is becoming more...

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Episode 102. Oh my… Spring Boot 3 is out! An interview with Dan Vega from the Pivotal Team!

Ok, so it’s an incredible time to be in the Java Ecosystem, and one of the biggest frameworks out there just dropped their three-point-oh version! That’s right! So Spring Boot is not officially 3.0, and it has as a Baseline Java 17! (oohh!!). So we brought in the big guns to talk about what does...

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Episode 101. Allright, let’s talk about Kafka

Whew! So we took a big break over summer (like Bob said, we were just swamped with work.. oof), but we are BACK! and like always we are ready to explore even deeper Java topics for the professional developer. This time we set our sights in Apache Kafka, one of the (if not THE) dominant...

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Episode 100. To the CLOUD… Which one? All of them!

Yeah! so we have been working with the cloud for a while, terms like K8s, EC2, Route53, BlobData, CLI has been swinged around… and is a little mysterious, and sometimes looks like a black box where you just click buttons, add things, type commands, until it finally something good happens. But if something bad happens,...

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Episode 99. SHHH! It’s a secret! (Storing API Keys / Passwords / tokens!)

Ok, so is time to talk about something secretive! Like API Passwords, Auth tokens, or keys… these are things that we want to have as a Secret within our microservice. And yeah, adding them into your source code is a big no-no Here we cover the dos (and dont’s) of secret management, what are the...

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Episode 98. It’s HERE, FINALLY HERE! Java 17 LTS Release

So is time to celebrate! We got a new box of toys with the new release of Java! This is also a Long-Term-Support release which means that’s usually a “good one” to jump into! Switch Expressions! Helpful Nullpointers, Sealed Classes… there is a TON that’s new And we got the best Doctor in town to...

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Episode 97. Hey there Scala 3! Looking good with those new Features!

So while Java is the “main” language of the JVM, it is by no means the “only” language. And one of the purely functional programming languages is getting a new facelift! Scala has been going through a revamp on the syntax and the features, and if you ever run into a scala user you know...

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Episode 96. Watching Metrics w/Micrometer and Statsd

You’ll run it everywhere there’s a production system. Some kind of Metrics collector like Statsd or InfluxDB. They work like magic, reporting on the health of your application. but how does it really happen? We dive in on how these Application Performance Management tools work and how do they really “see into” your application. We...

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Episode 95. Ludicruos speed! Practical GraalVM

So we had a previous episode where we show a party trick with GraalVM, where we saw how to create a Native Image. It was really the “hello world” of Native image creation, so Bob decided that’s not good enough! In this epidose we dive a little deeper on how to actually run your Restful...

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Episode 94. Oh, put on your hat Dr. Watson, we are sleuthing this Heap Dump

So it happens. Sometimes a Java program just “dies” with the dreaded Out-of-memory Exception. Sometimes, it leaves behind a “heap dump”, or a copy of what the Java program had in memory when just before it throw the Out-of-memory exception. For some devs, a heap dump is stressful, because they think is a black box...

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