Free tool

Paste a Spark plan, see how much you can save

Paste your EXPLAIN FORMATTED output below. No account required.

Databricks

  1. Open a notebook or go to SQL Editor
  2. Run your query
  3. Click "Query details" in the results panel
  4. Scroll to "Physical plan"
  5. Click "Copy" or select all and copy
  6. Paste here

PySpark / spark-submit

df = spark.sql("SELECT ...")
df.explain(mode="formatted")
# Copy the output from the console

Spark SQL

EXPLAIN FORMATTED SELECT ...;
Photon detected — cost model adjusted.
Enter job cost to estimate savings

Methodology

Savings estimates are derived from your job cost input, distributed across plan operators by data volume. Coefficients are calibrated per operator type and adjusted for Photon when detected.

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Open-source PySpark linter. 20 rules, runs in CI.

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