sdks/java/testing/tpcds/README.md

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# TPC-DS Benchmark

## Google Dataflow Runner

To execute TPC-DS benchmark for 1Gb dataset on Google Dataflow, run the following example command from the command line:

```bash
./gradlew :sdks:java:testing:tpcds:run -Ptpcds.args="--dataSize=1G \
  --runner=DataflowRunner \
  --queries=3,26,55 \
  --tpcParallel=2 \
  --dataDirectory=/path/to/tpcds_data/ \
  --project=apache-beam-testing \
  --stagingLocation=gs://beamsql_tpcds_1/staging \
  --tempLocation=gs://beamsql_tpcds_2/temp \
  --dataDirectory=/path/to/tpcds_data/ \
  --region=us-west1 \
  --maxNumWorkers=10"
```

## Spark Runner

To execute TPC-DS benchmark with Query3 for 1Gb dataset on Apache Spark 3.x, run the following example command from the command line:

```bash
./gradlew :sdks:java:testing:tpcds:run -Ptpcds.runner=":runners:spark:3" -Ptpcds.args=" \
  --runner=SparkRunner \
  --queries=3 \
  --tpcParallel=1 \
  --dataDirectory=/path/to/tpcds_data/ \
  --dataSize=1G \
  --resultsDirectory=/path/to/tpcds_results/"
```