Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21596#discussion_r198686913
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonBenchmarks.scala
---
@@ -25,8 +25,13 @@ import org.apache.spark.util.{Benchmark, Utils}
/**
* The benchmarks aims to measure performance of JSON parsing when
encoding is set and isn't.
- * To run this:
- * spark-submit --class <this class> --jars <spark sql test jar>
+ * To run:
+ * mvn clean package -pl sql/core -DskipTests
+ * ./dev/make-distribution.sh --name local-dist
+ * cd dist/
+ * ./bin/spark-submit --class
org.apache.spark.sql.execution.datasources.json.JSONBenchmarks \
+ * ../sql/core/target/spark-sql_2.11-2.4.0-SNAPSHOT-tests.jar >
/tmp/output.txt
--- End diff --
Let's take out other comments like `make-distribution.sh` and `cd dist/`
too since they can be varied by how to build.
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