Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/20265#discussion_r161652184
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/FilterPushdownBenchmark.scala ---
@@ -0,0 +1,195 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.sql
+
+import java.io.File
+
+import scala.util.{Random, Try}
+
+import org.apache.spark.SparkConf
+import org.apache.spark.sql.functions.monotonically_increasing_id
+import org.apache.spark.sql.internal.SQLConf
+import org.apache.spark.util.{Benchmark, Utils}
+
+
+/**
+ * Benchmark to measure read performance with Filter pushdown.
+ */
+// scalastyle:off line.size.limit
+object FilterPushdownBenchmark {
+ val conf = new SparkConf()
+ conf.set("orc.compression", "snappy")
+ conf.set("spark.sql.parquet.compression.codec", "snappy")
+
+ private val spark = SparkSession.builder()
+ .master("local[1]")
+ .appName("FilterPushdownBenchmark")
+ .config(conf)
+ .getOrCreate()
+
+ // Set default configs. Individual cases will change them if necessary.
+ spark.conf.set(SQLConf.ORC_FILTER_PUSHDOWN_ENABLED.key, "true")
+ spark.conf.set(SQLConf.PARQUET_FILTER_PUSHDOWN_ENABLED.key, "true")
--- End diff --
I think it's fine, then we don't need to care about what the default value
is.
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