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From ji...@apache.org
Subject hadoop git commit: HDFS-11823. Extend TestDFSStripedIutputStream/TestDFSStripedOutputStream with a random EC policy. Contributed by Takanobu Asanuma.
Date Wed, 24 May 2017 18:14:32 GMT
Repository: hadoop
Updated Branches:
  refs/heads/trunk dcf4559eb -> 1c8dd6d3d


HDFS-11823. Extend TestDFSStripedIutputStream/TestDFSStripedOutputStream with a random EC
policy. Contributed by Takanobu Asanuma.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/1c8dd6d3
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/1c8dd6d3
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/1c8dd6d3

Branch: refs/heads/trunk
Commit: 1c8dd6d3d10773f281538e1dea0ffdca9db34bfe
Parents: dcf4559
Author: Jing Zhao <jing9@apache.org>
Authored: Wed May 24 11:14:19 2017 -0700
Committer: Jing Zhao <jing9@apache.org>
Committed: Wed May 24 11:14:19 2017 -0700

----------------------------------------------------------------------
 .../apache/hadoop/hdfs/StripedFileTestUtil.java | 12 ++++++
 .../TestDFSRSDefault10x4StripedInputStream.java | 34 ---------------
 ...TestDFSRSDefault10x4StripedOutputStream.java | 35 ---------------
 ...fault10x4StripedOutputStreamWithFailure.java | 35 ---------------
 ...DFSStripedInputStreamWithRandomECPolicy.java | 45 ++++++++++++++++++++
 ...tputStreamWithFailureWithRandomECPolicy.java | 45 ++++++++++++++++++++
 ...FSStripedOutputStreamWithRandomECPolicy.java | 45 ++++++++++++++++++++
 .../hdfs/TestDFSXORStripedInputStream.java      | 32 --------------
 .../hdfs/TestDFSXORStripedOutputStream.java     | 34 ---------------
 ...estDFSXORStripedOutputStreamWithFailure.java | 35 ---------------
 10 files changed, 147 insertions(+), 205 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c8dd6d3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/StripedFileTestUtil.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/StripedFileTestUtil.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/StripedFileTestUtil.java
index 1bab5db..057e94a 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/StripedFileTestUtil.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/StripedFileTestUtil.java
@@ -49,6 +49,7 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Random;
 import java.util.Set;
 import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -568,4 +569,15 @@ public class StripedFileTestUtil {
   public static ErasureCodingPolicy getDefaultECPolicy() {
     return SystemErasureCodingPolicies.getPolicies().get(0);
   }
+
+  /**
+   * Get non-default Erasure Coding Policy randomly.
+   * @return ErasureCodingPolicy
+   */
+  public static ErasureCodingPolicy getRandomNonDefaultECPolicy() {
+    Random rand = new Random();
+    List<ErasureCodingPolicy> policies = SystemErasureCodingPolicies
+            .getPolicies();
+    return policies.get(1 + rand.nextInt(policies.size() - 1));
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c8dd6d3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedInputStream.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedInputStream.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedInputStream.java
deleted file mode 100644
index 1d09a6c..0000000
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedInputStream.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/**
- * 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.hadoop.hdfs;
-
-import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
-import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
-
-/**
- * This tests read operation of DFS striped file with RS-10-4-64k
- *  erasure code policy.
- */
-public class TestDFSRSDefault10x4StripedInputStream extends
-    TestDFSStripedInputStream {
-
-  public ErasureCodingPolicy getEcPolicy() {
-    return SystemErasureCodingPolicies.getByID(
-        SystemErasureCodingPolicies.RS_10_4_POLICY_ID);
-  }
-}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c8dd6d3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedOutputStream.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedOutputStream.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedOutputStream.java
deleted file mode 100644
index 080033d..0000000
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedOutputStream.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/**
- * 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.hadoop.hdfs;
-
-import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
-import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
-
-/**
- * This tests write operation of DFS striped file with RS-10-4-64k
- *  erasure code policy.
- */
-public class TestDFSRSDefault10x4StripedOutputStream
-    extends TestDFSStripedOutputStream {
-
-  @Override
-  public ErasureCodingPolicy getEcPolicy() {
-    return SystemErasureCodingPolicies.getByID(
-        SystemErasureCodingPolicies.RS_10_4_POLICY_ID);
-  }
-}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c8dd6d3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedOutputStreamWithFailure.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedOutputStreamWithFailure.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedOutputStreamWithFailure.java
deleted file mode 100644
index 5de9dd3..0000000
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRSDefault10x4StripedOutputStreamWithFailure.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/**
- * 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.hadoop.hdfs;
-
-import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
-import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
-
-/**
- * This tests write operation of DFS striped file with RS-10-4-64k
- *  erasure code policy under Datanode failure conditions.
- */
-public class TestDFSRSDefault10x4StripedOutputStreamWithFailure
-    extends TestDFSStripedOutputStreamWithFailure {
-
-  @Override
-  public ErasureCodingPolicy getEcPolicy() {
-    return SystemErasureCodingPolicies.getByID(
-        SystemErasureCodingPolicies.RS_10_4_POLICY_ID);
-  }
-}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c8dd6d3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedInputStreamWithRandomECPolicy.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedInputStreamWithRandomECPolicy.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedInputStreamWithRandomECPolicy.java
new file mode 100644
index 0000000..568b018
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedInputStreamWithRandomECPolicy.java
@@ -0,0 +1,45 @@
+/**
+ * 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.hadoop.hdfs;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
+
+/**
+ * This tests read operation of DFS striped file with a random erasure code
+ * policy except for the default policy.
+ */
+public class TestDFSStripedInputStreamWithRandomECPolicy extends
+    TestDFSStripedInputStream {
+
+  private static final Log LOG = LogFactory.getLog(
+      TestDFSStripedInputStreamWithRandomECPolicy.class.getName());
+
+  private ErasureCodingPolicy ecPolicy;
+
+  public TestDFSStripedInputStreamWithRandomECPolicy() {
+    ecPolicy = StripedFileTestUtil.getRandomNonDefaultECPolicy();
+    LOG.info(ecPolicy);
+  }
+
+  @Override
+  public ErasureCodingPolicy getEcPolicy() {
+    return ecPolicy;
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c8dd6d3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedOutputStreamWithFailureWithRandomECPolicy.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedOutputStreamWithFailureWithRandomECPolicy.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedOutputStreamWithFailureWithRandomECPolicy.java
new file mode 100644
index 0000000..7fc5233
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedOutputStreamWithFailureWithRandomECPolicy.java
@@ -0,0 +1,45 @@
+/**
+ * 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.hadoop.hdfs;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
+
+/**
+ * This tests write operation of DFS striped file with a random erasure code
+ * policy except for the default policy under Datanode failure conditions.
+ */
+public class TestDFSStripedOutputStreamWithFailureWithRandomECPolicy extends
+    TestDFSStripedOutputStreamWithFailure {
+
+  private static final Log LOG = LogFactory.getLog(
+      TestDFSStripedOutputStreamWithRandomECPolicy.class.getName());
+
+  private ErasureCodingPolicy ecPolicy;
+
+  public TestDFSStripedOutputStreamWithFailureWithRandomECPolicy() {
+    ecPolicy = StripedFileTestUtil.getRandomNonDefaultECPolicy();
+    LOG.info(ecPolicy);
+  }
+
+  @Override
+  public ErasureCodingPolicy getEcPolicy() {
+    return ecPolicy;
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c8dd6d3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedOutputStreamWithRandomECPolicy.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedOutputStreamWithRandomECPolicy.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedOutputStreamWithRandomECPolicy.java
new file mode 100644
index 0000000..9a783cd
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedOutputStreamWithRandomECPolicy.java
@@ -0,0 +1,45 @@
+/**
+ * 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.hadoop.hdfs;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
+
+/**
+ * This tests write operation of DFS striped file with a random erasure code
+ * policy except for the default policy.
+ */
+public class TestDFSStripedOutputStreamWithRandomECPolicy extends
+    TestDFSStripedOutputStream {
+
+  private static final Log LOG = LogFactory.getLog(
+      TestDFSStripedOutputStreamWithRandomECPolicy.class.getName());
+
+  private ErasureCodingPolicy ecPolicy;
+
+  public TestDFSStripedOutputStreamWithRandomECPolicy() {
+    ecPolicy = StripedFileTestUtil.getRandomNonDefaultECPolicy();
+    LOG.info(ecPolicy);
+  }
+
+  @Override
+  public ErasureCodingPolicy getEcPolicy() {
+    return ecPolicy;
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c8dd6d3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedInputStream.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedInputStream.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedInputStream.java
deleted file mode 100644
index d19093d..0000000
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedInputStream.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * 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.hadoop.hdfs;
-import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
-import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
-
-/**
- * This tests read operation of DFS striped file with XOR-2-1-64k erasure code
- * policy.
- */
-public class TestDFSXORStripedInputStream extends TestDFSStripedInputStream{
-
-  public ErasureCodingPolicy getEcPolicy() {
-    return SystemErasureCodingPolicies.getByID(
-        SystemErasureCodingPolicies.XOR_2_1_POLICY_ID);
-  }
-}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c8dd6d3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedOutputStream.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedOutputStream.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedOutputStream.java
deleted file mode 100644
index ba620b8..0000000
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedOutputStream.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/**
- * 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.hadoop.hdfs;
-
-import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
-import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
-
-/**
- * This tests write operation of DFS striped file with XOR-2-1-64k erasure code
- * policy.
- */
-public class TestDFSXORStripedOutputStream extends TestDFSStripedOutputStream{
-
-  @Override
-  public ErasureCodingPolicy getEcPolicy() {
-    return SystemErasureCodingPolicies.getByID(
-        SystemErasureCodingPolicies.XOR_2_1_POLICY_ID);
-  }
-}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c8dd6d3/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedOutputStreamWithFailure.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedOutputStreamWithFailure.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedOutputStreamWithFailure.java
deleted file mode 100644
index d9ab3d5..0000000
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSXORStripedOutputStreamWithFailure.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/**
- * 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.hadoop.hdfs;
-
-import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
-import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
-
-/**
- * This tests write operation of DFS striped file with XOR-2-1-64k erasure code
- * policy when there is data node failure.
- */
-public class TestDFSXORStripedOutputStreamWithFailure
-    extends TestDFSStripedOutputStreamWithFailure{
-
-  @Override
-  public ErasureCodingPolicy getEcPolicy() {
-    return SystemErasureCodingPolicies.getByID(
-        SystemErasureCodingPolicies.XOR_2_1_POLICY_ID);
-  }
-}
\ No newline at end of file


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