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89votes
PINNED

Optimizing dbt models for incremental loads - share your patterns!

Let's collect best practices for dbt incremental models. I'll start: always use a reliable updated_at column...

dbtincrementaloptimization
D
Jordan Lee
ETL Pipeline Optimization2/4/2026
45 replies1252 views
42votes
PINNED

Best practices for handling late-arriving data in streaming pipelines?

I'm working on a real-time analytics pipeline and struggling with late data. What watermarking strategies do you recommend?

streamingkafkawatermarks
D
Sarah Chen
Real-Time Stream Processing2/4/2026
18 replies552 views
67votes

Spark vs Flink for batch processing - which one for 10TB daily loads?

Our team is debating between Spark and Flink for our new batch pipeline. Looking for real-world experiences with large scale data.

sparkflinkbatchbig-data
M
Marcus Rivera
2/4/2026
34 replies944 views
23votes

Understanding window functions in the SQL Fundamentals lesson

Can someone explain the difference between ROWS and RANGE in window frames? The lesson examples were helpful but I need more clarity.

sqlwindow-functionsbeginner
N
Alex Kim
SQL Fundamentals2/3/2026
12 replies328 views
56votes

Cost optimization strategies for Snowflake warehouses

Our Snowflake costs are getting out of hand. What strategies have worked for you to reduce compute costs?

snowflakecost-optimizationcloud
C
Priya Patel
Cloud Cost Management2/2/2026
28 replies784 views