Java Weekly, Issue 341

1. Spring and Java

>> URL Matching with PathPattern in Spring MVC 5.3 [spring.io]

New Spring version, new pattern matching for Request URLs with 8x throughput, and 40% less allocation rate.

>> Using -XX:SoftMaxHeapSize on ZGC [malloc.se]

A soft limit on max heap size for ZGC, really useful to handle occasional spikes in heap usage with the ability to uncommit when the spike is gone.

>> Oracle Open Sources Coherence In-Memory Data Grid [infoq.com]

Meet Coherence, a new open-source IMDG capable of parallel query execution and aggregation, persistence, messaging, streaming, and a lot more!

Also worth reading:

• >> Red Hat Mandrel Makes Java Native [infoq.com]

• >> Digging into Hibernate’s Query Cache [blog.frankel.ch]

• >> jcmd Increasingly the Single JDK Command-line Tool to Rule Them All [marxsoftware.com]

• >> MicroProfile GraphQL 1.0 – a New API in the MicroProfile Family [infoq.com]

• >> Flyway Database Schema Migrations [vladmihalcea.com]

• >> Lombok & Hibernate: How to Avoid Common Pitfalls [thorben-janssen.com]

• >> Spring Batch Tutorial: Reading Information From an XML File [petrikainulainen.net]

• >> Spring WebClient exchange vs. retrieve a comparison [rieckpil.de]

Webinars and presentations:

• >> Reactive Event Processing with Apache Geode [infoq.com]

• >> A Bootiful Podcast: An Exciting Week of Releases and Dr. Yordan Karadzhov [spring.io]

• >> Migrating Neo4j graph schemas in Kubernetes (Video) [blog.sebastian-daschner.com]

Time to upgrade:

• >> Spring Security 5.4.0-M2 Released [spring.io]

• >> Apache Netbeans 12 LTS Released [infoq.com]

2. Technical

>> The Liskov Substitution Principle Explained [reflectoring.io]

A practical guide on one of the lesser-known SOLID principles, its importance, and advantages, and also how to investigate possible violations of this principle.

Also worth reading:

• >> Big Data and the Testing Challenge [blog.scottlogic.com]

• >> Rewriting and Filtering History [info.michael-simons.eu]

• >> Why ServiceTracker is Bad (for DS) [alblue.bandlem.com]

• >> Testing Bash scripts with the Bats testing framework [advancedweb.hu]

3. Musings

>> Path to Freelancer Profit: Start an Agency or Stop Billing Hourly [daedtech.com]

A methodological approach for freelancers to profit and moving away from the hourly billing business model to an agency-based one.

Also worth reading:

• >> Git tools for keeping patches on top of moving upstreams [blog.tfnico.com]

• >> Netflix Studio Engineering Overview [netflixtechblog.com]

• >> USB-C Hubs and Ethernet [lucumr.pocoo.org]

4. Comics

And my favorite Dilberts of the week:

>> Wally’s Doctor Note [dilbert.com]

>> Exclamation Mark [dilbert.com]

>> Everyone Is Their Own Boss [dilbert.com]

5. Pick of the Week

>> Time is personal [sivers.org]

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