Github user wangyum commented on a diff in the pull request:
https://github.com/apache/spark/pull/22499#discussion_r219366799
--- Diff:
mllib/src/test/scala/org/apache/spark/mllib/linalg/UDTSerializationBenchmark.scala
---
@@ -18,52 +18,52 @@
package org.apache.spark.mllib.linalg
import org.apache.spark.sql.catalyst.encoders.ExpressionEncoder
-import org.apache.spark.util.Benchmark
+import org.apache.spark.util.{Benchmark, BenchmarkBase =>
FileBenchmarkBase}
/**
* Serialization benchmark for VectorUDT.
+ * To run this benchmark:
+ * 1. without sbt: bin/spark-submit --class <this class> <spark mllib test
jar>
--- End diff --
I think `<` should replaced to `[`:
```scala
[error]
/home/jenkins/workspace/SparkPullRequestBuilder@2/sql/core/target/java/org/apache/spark/sql/DatasetBenchmark.java:5:
error: unknown tag: this
[error] * 1. without sbt: bin/spark-submit --class <this class> <spark sql
test jar>
[error] ^
[error]
/home/jenkins/workspace/SparkPullRequestBuilder@2/sql/core/target/java/org/apache/spark/sql/DatasetBenchmark.java:5:
error: unknown tag: spark
[error] * 1. without sbt: bin/spark-submit --class <this class> <spark sql
test jar>
[error] ^
[error]
/home/jenkins/workspace/SparkPullRequestBuilder@2/sql/core/target/java/org/apache/spark/sql/DatasetBenchmark.java:6:
error: unknown tag: this
[error] * 2. build/sbt "sql/test:runMain <this class>"
[error] ^
[error]
/home/jenkins/workspace/SparkPullRequestBuilder@2/sql/core/target/java/org/apache/spark/sql/DatasetBenchmark.java:7:
error: unknown tag: this
[error] * 3. generate result: SPARK_GENERATE_BENCHMARK_FILES=1 build/sbt
"sql/test:runMain <this class>"
[error]
```
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