From OpenTelemetry to DuckDB
Observability platforms generally expect you to do your analysis inside them, using their query language and their dashboards. That works …
6 articles in this category · 6,118 views.
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Geertjan Wielenga
627 viewsObservability platforms generally expect you to do your analysis inside them, using their query language and their dashboards. That works …
Geertjan Wielenga
276 viewsApache NetBeans DataWrangler brings the file formats of data analytics into Apache NetBeans 31: CSV, Apache Parquet, JSON and Excel, the …
Geertjan Wielenga
501 viewsDuckDB 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
869 viewsSpring Batch jobs usually follow the same pattern: an ItemReader streams rows, an ItemProcessor transforms each one, and an ItemWriter …
Geertjan Wielenga
782 viewsDuckDB is described as "SQLite for analytics," which is true: it's an in-process database engine that runs inside your application, with no …

Frank Delporte
3,063 viewsThis is the final part of the JCON 2025 interviews with a lot of tips and tricks! In the three previous podcasts, we featured interviews …