Geertjan Wielenga
60 viewsFrom OpenTelemetry to DuckDB
Observability platforms generally expect you to do your analysis inside them, using their query language and their dashboards. That works …
Category
Performance
Geertjan Wielenga
60 views
Angelo Rubini
1 viewsJakarta Faces, Java Web Framework, Stateless Edition: Marketplace AliFaces
A Fully Stateless Jakarta Faces Marketplace with Server-Side Rendering — No HttpSession, No Saved ViewState, No Sticky Sessions (see the poc …
Geertjan Wielenga
1 viewsRunning DuckDB's JDBC Driver in a GraalVM Native Image
DuckDB is an in-process analytical database. You add one JAR to a Java project and get a SQL engine that reads CSV, Parquet, and JSON files …
Geertjan Wielenga
557 viewsDuckDB in Spring Batch: Replace In-Memory Java Loops with One SQL Statement
Spring Batch jobs usually follow the same pattern: an ItemReader streams rows, an ItemProcessor transforms each one, and an ItemWriter …
Geertjan Wielenga
545 viewsEmbedding DuckDB in a Maven App (and Using It for Things That Aren't Databases)
DuckDB is described as "SQLite for analytics," which is true: it's an in-process database engine that runs inside your application, with no …
Youssef Ben Henda
1,513 viewsIdempotent Spring Boot: Safe REST with One Annotation
An idempotent Spring Boot starter that replays duplicate requests instead of re-executing them. One annotation, Redis or JDBC, atomic …
Geertjan Wielenga
713 viewsToward a Durable Spring PetClinic
What makes a process a good candidate for durability? To answer this, we'll take the canonical Spring PetClinic and interrogate its sources.
Cristobal Escobar
403 viewsBoxLang 1.15.0 Released: Blazing Fast Strings, Runtime Portability, and much more
BoxLang 1.15.0 is a high-impact release with two big headlines and a long tail of hardening. The first headline is a massive performance …
Geertjan Wielenga
1,009 viewsTemporal Is to Your Code What a Database Is to Your Data
Your database made your data durable. Temporal does the same for your code.
Geertjan Wielenga
551 views"This Can't Possibly Work": What I Learned at a Temporal.io Workshop
When developers first hear about Temporal, they tend to move through a predictable sequence of emotions. First comes disbelief — the claim …