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From: ivakegg <git@git.apache.org>
To: dev@accumulo.apache.org
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References: <git-pr-134-accumulo@git.apache.org>
In-Reply-To: <git-pr-134-accumulo@git.apache.org>
Subject: [GitHub] accumulo pull request #134: ACCUMULO-4391 Added synchronization around the a...
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Message-Id: <20160728181437.643E3E0100@git1-us-west.apache.org>
Date: Thu, 28 Jul 2016 18:14:37 +0000 (UTC)
archived-at: Thu, 28 Jul 2016 18:14:39 -0000

Github user ivakegg commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/134#discussion_r72673257
  
    --- Diff: core/src/test/java/org/apache/accumulo/core/file/rfile/MultiThreadedRFileTest.java ---
    @@ -0,0 +1,387 @@
    +/*
    + * 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.accumulo.core.file.rfile;
    +
    +import java.io.File;
    +import java.io.IOException;
    +import java.io.PrintWriter;
    +import java.io.StringWriter;
    +import java.util.ArrayList;
    +import java.util.Collection;
    +import java.util.Collections;
    +import java.util.HashMap;
    +import java.util.List;
    +import java.util.Map;
    +import java.util.Random;
    +import java.util.concurrent.LinkedBlockingQueue;
    +import java.util.concurrent.ThreadPoolExecutor;
    +import java.util.concurrent.TimeUnit;
    +import org.apache.accumulo.core.conf.AccumuloConfiguration;
    +import org.apache.accumulo.core.data.ArrayByteSequence;
    +import org.apache.accumulo.core.data.ByteSequence;
    +import org.apache.accumulo.core.data.Key;
    +import org.apache.accumulo.core.data.Range;
    +import org.apache.accumulo.core.data.Value;
    +import org.apache.accumulo.core.file.FileSKVIterator;
    +import org.apache.accumulo.core.file.blockfile.impl.CachableBlockFile;
    +import org.apache.accumulo.core.file.rfile.RFile.Reader;
    +import org.apache.accumulo.core.iterators.SortedKeyValueIterator;
    +import org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator;
    +import org.apache.accumulo.core.util.CachedConfiguration;
    +import org.apache.accumulo.core.util.NamingThreadFactory;
    +import org.apache.commons.lang3.mutable.MutableInt;
    +import org.apache.hadoop.conf.Configuration;
    +import org.apache.hadoop.fs.FSDataInputStream;
    +import org.apache.hadoop.fs.FSDataOutputStream;
    +import org.apache.hadoop.fs.FileSystem;
    +import org.apache.hadoop.fs.Path;
    +import org.apache.log4j.Level;
    +import org.apache.log4j.Logger;
    +import org.junit.Rule;
    +import org.junit.Test;
    +import org.junit.rules.TemporaryFolder;
    +
    +import static org.junit.Assert.assertEquals;
    +import static org.junit.Assert.assertFalse;
    +import static org.junit.Assert.assertTrue;
    +
    +public class MultiThreadedRFileTest {
    +
    +  private static final Collection<ByteSequence> EMPTY_COL_FAMS = new ArrayList<ByteSequence>();
    +
    +  @Rule
    +  public TemporaryFolder tempFolder = new TemporaryFolder(new File(System.getProperty("user.dir") + "/target"));
    +
    +  static {
    +    Logger.getLogger(org.apache.hadoop.io.compress.CodecPool.class).setLevel(Level.OFF);
    +    Logger.getLogger(org.apache.hadoop.util.NativeCodeLoader.class).setLevel(Level.OFF);
    +  }
    +
    +  private static void checkIndex(Reader reader) throws IOException {
    +    FileSKVIterator indexIter = reader.getIndex();
    +
    +    if (indexIter.hasTop()) {
    +      Key lastKey = new Key(indexIter.getTopKey());
    +
    +      if (reader.getFirstKey().compareTo(lastKey) > 0)
    +        throw new RuntimeException("First key out of order " + reader.getFirstKey() + " " + lastKey);
    +
    +      indexIter.next();
    +
    +      while (indexIter.hasTop()) {
    +        if (lastKey.compareTo(indexIter.getTopKey()) > 0)
    +          throw new RuntimeException("Indext out of order " + lastKey + " " + indexIter.getTopKey());
    +
    +        lastKey = new Key(indexIter.getTopKey());
    +        indexIter.next();
    +
    +      }
    +
    +      if (!reader.getLastKey().equals(lastKey)) {
    +        throw new RuntimeException("Last key out of order " + reader.getLastKey() + " " + lastKey);
    +      }
    +    }
    +  }
    +
    +  public static class TestRFile {
    --- End diff --
    
    definitely not


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