🔍 Spark + Elasticsearch Debugging 🧵

Building a cybersecurity analytics platform. Hit 2 blockers:

❌ JAR path mismatch → Fixed absolute path
❌ No data nodes (single-node Docker ES) → Added es.nodes.wan.only=true

✅ Result: 89 records loaded. Working pipeline!

Lesson: Verify JAR paths + disable node discovery for single-node ES.

#PySpark #Elasticsearch #DataEngineering #CyberSecurity #Debugging

How to run #PySpark on Windows.

1. Install it using `pip`
2. Make sure you're using Java 17 or Java 21. It won't work with Java 25.
3. Do _not_ fuck around with Hadoop Winutils, no matter how many articles or pieces of LLM "advice" you get about it.

https://twasink.net/2026/02/10/how-to-run-pyspark-on-windows/

ADF Interview Questions | Cloud Data Engineer #databricks #pyspark #adf #datafactory #microsoft

Q2. What are the main components of Azure Data Factory? Learn about the main components of Azure Data Factory! This video ... source

https://quadexcel.com/wp/adf-interview-questions-cloud-data-engineer-databricks-pyspark-adf-datafactory-microsoft-5/

Spark SQL for Data Engineering 1 : I am going to start spark sql sessions as series. #sparksql

Spark SQL Part 1 : I am going to start spark sql sessions as series. #sparksql #deltalake #pyspark ' Databricks Notebooks code for ... source

https://quadexcel.com/wp/spark-sql-for-data-engineering-1-i-am-going-to-start-spark-sql-sessions-as-series-sparksql/

ADF Interview Questions | Cloud Data Engineer #databricks #pyspark #adf #datafactory #microsoft

Q13. How can you optimize the performance of an Azure Data Factory pipeline? Boost the performance of your Azure Data ... source

https://quadexcel.com/wp/adf-interview-questions-cloud-data-engineer-databricks-pyspark-adf-datafactory-microsoft-4/

ADF Interview Questions | Cloud Data Engineer #databricks #pyspark #adf #datafactory #microsoft

Q23. How did you handle a situation where a pipeline needed to run based on specific business events? Running pipelines ... source

https://quadexcel.com/wp/adf-interview-questions-cloud-data-engineer-databricks-pyspark-adf-datafactory-microsoft-3/

Ya esta disponible La Experimental #14

🌐 Tendencias #Internet
💻 Gestión de #Git hooks
🧑🏻‍💻 Diseño #TUI con #GoLang
🐍 #Python sin GIL
💾 Guía de #PySpark SQL
🤖 Agente #IA local
🐧 Guía de seguridad #Linux
🌩️ Servicio de monitorización SelfHosted
💼 Informe laboral Tech en España de #manfred

Link: https://open.substack.com/pub/laexperimental/p/le-14?r=54y3on&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

#tech #technology #selfhosting #gnulinux #cli #trabajo #opensource #development