MergeTree Sort Key Design for Pre-Flattened Wide Tables
How to order columns in a MergeTree table to balance pruning and compression.
Callum Dzenga
Narrow projections let denormalized tables serve multiple sort orders without full duplication.
How to order columns in a MergeTree table to balance pruning and compression.
Stream processing transforms continuous events into queryable results for real-time analytics.
Choosing between metric and event-based SLOs determines what data survives to explain breaches.
Simplicity comes with costs in reprocessing, late data, and query serving.