🔍 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

We are pleased to welcome @pgEdgeDistributedPostgres as a Bronze Sponsor ⭐

Thank you for supporting PG Data 2026 and our community 🤝
Learn more: http://www.pgedge.com/

#PGData #PGData2026 #PostgreSQL 🐘 #TechCommunity #DataEngineering #OpenSource #Sponsorship

Explore real-world PostgreSQL lessons with Hajira Sultana at PG DATA 2026 on June 4!

In “What I Learned Using PostgreSQL In Real Products,” Hajira shares practical insights from building and scaling full-stack applications with PostgreSQL 🐘

Join us: https://2026.pg-data.org/

#PGData #PGData2026 #PostgreSQL #Postgres #FullStack #DBA #OpenSource #SQL #DataEngineering

How #Netflix boosted #ApacheDruid performance: by implementing interval-aware caching, they now serve 84% of analytics results from cache and have reduced query load by 33%.

The secret? Decomposing rolling window queries into reusable time segments.
✅ Reduces scan volume
✅ Improves P90 latency
✅ Optimizes real-time analytics

Details on #InfoQ: https://bit.ly/4uHG4DE

#SoftwareArchitecture #DistributedSystems #DataAnalytics #TimeSeriesData #Caching #BigData #DataEngineering

Fc, a lossless compressor for floating-point streams

https://github.com/xtellect/fc

#HackerNews #losslesscompression #floatingpoint #streams #dataengineering #softwaredevelopment

Snowflake Postgres, Lakebase, HorizonDB: Picking the Lock-In You Want

https://thebuild.com/blog/2026/05/12/snowflake-postgres-lakebase-horizondb-picking-the-lock-in-you-want/

#HackerNews #Tech #DataEngineering

We are pleased to welcome @StormaticsTech as a Bronze Sponsor ⭐

Thank you for supporting PG Data 2026 and our community 🤝
Learn more: hhttps://stormatics.tech/

#PGData #PGData2026 #PostgreSQL 🐘 #TechCommunity #DataEngineering #OpenSource #Sponsorship

Join Umair Shahid at PG DATA 2026 on June 4!

In “Securing Multi-Tenant Databases with Row-Level Security & Open-Source Auditing,” Umair explores how PostgreSQL RLS simplifies access control and strengthens security in multi-tenant SaaS environments 🔐

Join us: https://2026.pg-data.org/

#PGData #PGData2026 #PostgreSQL #Postgres #CyberSecurity #RLS #OpenSource #DBA #DataEngineering #SQL

We are pleased to welcome the Cactus Group s a Bronze Sponsor ⭐

Thank you for supporting PG Data 2026 and our community 🤝
Learn more: http://www.caktusgroup.com/

#PGData #PGData2026 #PostgreSQL 🐘 #TechCommunity #DataEngineering #OpenSource #Sponsorship