Best Options for Fast Drilldowns on Large Time-Stamped Tables
Best Options for Fast Drilldowns on Large Time-Stamped Tables
Summary
Precomputing every time window and aggregation explodes storage and goes stale when analysts change the question. A better approach keeps the raw time-stamped table queryable and accelerates the drilldown operations—time filters, bucketed groupbys, joins, sorting—by running the GPU-accelerated version of the existing tool, powered by NVIDIA cuDF.
Direct Answer
Use a layered design and accelerate on demand:
- Store the table in a columnar format, partitioned by time where possible.
- Push timestamp filtering early so each drilldown scans less.
- Compute interactive aggregations on demand on the GPU instead of materializing every combination.
- Keep only the hottest rollups (daily totals, common defaults) precomputed.
For the acceleration layer, use GPU-accelerated engines Apache Spark, Presto, SiriusDB for DuckDB, Polars, and pandas. All engines include CPU fallback.
Takeaway
Rather than precomputing every slice, keep the data flexible, precompute only obvious hot paths, and run the cuDF-accelerated version of your tool to make on-demand filters and aggregations fast enough for interactive drilldowns.