parquet-pig/src/test/java/org/apache/parquet/pig/PerfTestReadAllCols.java

/* 
 * 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.parquet.pig;

import java.io.File;


/**
 *
 * Uses directly loader and storer to bypass the scheduling overhead
 *
 * @author Julien Le Dem
 *
 */
public class PerfTestReadAllCols {

  public static void main(String[] args) throws Exception {
    StringBuilder results = new StringBuilder();
    String out = "target/PerfTestReadAllCols";
    File outDir = new File(out);
    if (outDir.exists()) {
      PerfTest2.clean(outDir);
    }
    PerfTest2.write(out);

    for (int i = 0; i < 5; i++) {

      PerfTest2.load(out, PerfTest2.COLUMN_COUNT, results);
      results.append("\n");
    }
    System.out.println(results);
  }


}