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HDFS-12541. Extend TestSafeModeWithStripedFile with a random EC policy. Contributed by Takanobu Asanuma.

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This commit is contained in:
Andrew Wang 2017-10-09 13:03:32 -07:00
parent afb42aeabf
commit 7938208233
2 changed files with 68 additions and 10 deletions
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29
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSafeModeWithStripedFile.java
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@ -42,13 +42,12 @@
public class TestSafeModeWithStripedFile {
private final ErasureCodingPolicy ecPolicy =
StripedFileTestUtil.getDefaultECPolicy();
private final short dataBlocks = (short) ecPolicy.getNumDataUnits();
private final short parityBlocks = (short) ecPolicy.getNumParityUnits();
private final int numDNs = dataBlocks + parityBlocks;
private final int cellSize = ecPolicy.getCellSize();
private final int blockSize = cellSize * 2;
private ErasureCodingPolicy ecPolicy;
private short dataBlocks;
private short parityBlocks;
private int numDNs;
private int cellSize;
private int blockSize;
private MiniDFSCluster cluster;
private Configuration conf;
@ -56,17 +55,27 @@ public class TestSafeModeWithStripedFile {
@Rule
public Timeout globalTimeout = new Timeout(300000);
public ErasureCodingPolicy getEcPolicy() {
return StripedFileTestUtil.getDefaultECPolicy();
}
@Before
public void setup() throws IOException {
ecPolicy = getEcPolicy();
dataBlocks = (short) ecPolicy.getNumDataUnits();
parityBlocks = (short) ecPolicy.getNumParityUnits();
numDNs = dataBlocks + parityBlocks;
cellSize = ecPolicy.getCellSize();
blockSize = cellSize * 2;
conf = new HdfsConfiguration();
conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, blockSize);
conf.setLong(DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY, 100);
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(numDNs).build();
cluster.getFileSystem().enableErasureCodingPolicy(getEcPolicy().getName());
cluster.getFileSystem().getClient().setErasureCodingPolicy("/",
StripedFileTestUtil.getDefaultECPolicy().getName());
getEcPolicy().getName());
cluster.waitActive();
cluster.getFileSystem().enableErasureCodingPolicy(
StripedFileTestUtil.getDefaultECPolicy().getName());
}
@After

49
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSafeModeWithStripedFileWithRandomECPolicy.java Normal file
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@ -0,0 +1,49 @@
/**
* 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.ErasureCodingPolicy;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This test extends TestSafeModeWithStripedFile to use a random
* (non-default) EC policy.
*/
public class TestSafeModeWithStripedFileWithRandomECPolicy extends
TestSafeModeWithStripedFile {
private static final Logger LOG = LoggerFactory.getLogger(
TestSafeModeWithStripedFileWithRandomECPolicy.class);
private ErasureCodingPolicy ecPolicy;
public TestSafeModeWithStripedFileWithRandomECPolicy() {
// If you want to debug this test with a specific ec policy, please use
// SystemErasureCodingPolicies class.
// e.g. ecPolicy = SystemErasureCodingPolicies.getByID(RS_3_2_POLICY_ID);
ecPolicy = StripedFileTestUtil.getRandomNonDefaultECPolicy();
LOG.info("run {} with {}.",
TestSafeModeWithStripedFileWithRandomECPolicy.class
.getSuperclass().getSimpleName(), ecPolicy.getName());
}
@Override
public ErasureCodingPolicy getEcPolicy() {
return ecPolicy;
}
}