1. Spring and Java

>> On Generating Identity Hash Codes [alidg.me]

An in-depth take on different strategies used by the HotSpot JVM to generate identity hashcodes.

>> Scalability of Different Concurrent Map Implementations [vmlens.com]

Benchmarking three different thread-safe map implementations: SynchronizedMap, ConcurrentHashMap, and another lock-free implementation.

>> Five JUnit 5 features you might not know yet [rieckpil.de]

A practical guide to a few lesser-known features in JUnit 5 such as nested tests, parallelization, ordered tests, and so on.

Also worth reading:

Webinars and presentations:

Time to upgrade:

2. Technical

>> Getting started with Ktor [mscharhag.com]

A quick demonstration of building asynchronous CRUD REST APIs in Ktor and Kotlin.

Also worth reading:

3. Musings

>> Byte Down: Making Netflix’s Data Infrastructure Cost-Effective [netflixtechblog.com]

An interesting approach to manage infrastructure costs at Netflix: transparency instead of budget limits.

Also worth reading:

4. Comics

And my favorite Dilberts of the week:

>> First Time for Everything [dilbert.com]

>> Lack of Social Contact [dilbert.com]

>> Wally Took Notes [dilbert.com]

5. Pick of the Week

>> Not sure? [asmartbear.com]

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