starrocks-cbo - Manage StarRocks CBO Statistics and Join Plans
Collect and inspect StarRocks statistics, configure automatic analysis, diagnose cardinality estimates, and guide CBO join plans with hints.
Tags
Updated: 2026-09-29Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Collect table statistics
- Collect sampled statistics
- Build column histograms
- Configure automatic analysis
- Monitor analyze jobs
- Inspect statistics storage
- Detect stale statistics
- Diagnose cardinality errors
- Apply join hints
- Read EXPLAIN COSTS
Inputs
- StarRocks SQL queries
- Table and column names
- Statistics configuration values
- Analyze job IDs
- Frontend configuration settings
Outputs
- Statistics collection jobs
- Optimizer plans and cost estimates
- Statistics freshness results
- Analyze job status
- Frontend configuration changes
Requirements
- StarRocks deployment
- Access to StarRocks SQL features
- StarRocks 3.5+ for predicate columns