Reference community
Apache Spark Documentation
The authoritative reference for Spark SQL, the DataFrame API, tuning and the configuration catalogue, versioned per Spark release. Use it for exact semantics and config keys — when a job skews or slows, check the config reference and the tuning guide before changing code, alongside our skew-diagnosis and cost skills.
At a glance
| What | The authoritative reference for Spark SQL, the DataFrame API, tuning and the configuration catalogue, versioned per Spark release. Use it for exact semantics and config keys — when a job skews or slows, check the config reference and the tuning guide before changing code, alongside our skew-diagnosis and cost skills. |
|---|---|
| Where | Spark / PySpark |
| Why | Exact, versioned, and free to reuse. The config reference alone resolves most tuning debates. |
Security scan
Last sweep 2026-10-24: 0 finding(s), 0 marked as examples.
Registry stats
| Verification | community · Sep 28, 2026 |
|---|---|
| Completeness | 58 |
| Trust multiplier | ×1.25 |
| Composite | 27.7 · adequate |
| Freshness | 26 days since last source check |
| License | Apache-2.0 |
| Security flags | none |
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Apache Spark Documentation