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HDFS-2688. Add tests for quota tracking in an HA cluster. Contributed by Todd Lipcon. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1235017 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2012-01-23 21:57:00 +00:00
parent c10853a6b9
commit 8d1c996242
2 changed files with 135 additions and 0 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
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@ -123,3 +123,5 @@ HDFS-2812. When becoming active, the NN should treat all leases as freshly renew
HDFS-2737. Automatically trigger log rolls periodically on the active NN. (todd and atm)
HDFS-2820. Add a simple sanity check for HA config (todd)
HDFS-2688. Add tests for quota tracking in an HA cluster. (todd)

133
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestQuotasWithHA.java Normal file
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@ -0,0 +1,133 @@
/**
* 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.server.namenode.ha;
import static org.junit.Assert.*;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.ContentSummary;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSTestUtil;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.HAUtil;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
import org.apache.hadoop.io.IOUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class TestQuotasWithHA {
private static final Path TEST_DIR = new Path("/test");
private static final Path TEST_FILE = new Path(TEST_DIR, "file");
private static final String TEST_DIR_STR = TEST_DIR.toUri().getPath();
private static final long NS_QUOTA = 10000;
private static final long DS_QUOTA = 10000;
private static final long BLOCK_SIZE = 1024; // 1KB blocks
private MiniDFSCluster cluster;
private NameNode nn0;
private NameNode nn1;
private FileSystem fs;
@Before
public void setupCluster() throws Exception {
Configuration conf = new Configuration();
conf.setInt(DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY, 1);
conf.setInt(DFSConfigKeys.DFS_HA_TAILEDITS_PERIOD_KEY, 1);
conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, BLOCK_SIZE);
HAUtil.setAllowStandbyReads(conf, true);
cluster = new MiniDFSCluster.Builder(conf)
.nnTopology(MiniDFSNNTopology.simpleHATopology())
.numDataNodes(1)
.waitSafeMode(false)
.build();
cluster.waitActive();
nn0 = cluster.getNameNode(0);
nn1 = cluster.getNameNode(1);
fs = HATestUtil.configureFailoverFs(cluster, conf);
cluster.transitionToActive(0);
}
@After
public void shutdownCluster() throws IOException {
if (cluster != null) {
cluster.shutdown();
}
}
/**
* Test that quotas are properly tracked by the standby through
* create, append, delete.
*/
@Test(timeout=60000)
public void testQuotasTrackedOnStandby() throws Exception {
fs.mkdirs(TEST_DIR);
DistributedFileSystem dfs = (DistributedFileSystem)fs;
dfs.setQuota(TEST_DIR, NS_QUOTA, DS_QUOTA);
long expectedSize = 3 * BLOCK_SIZE + BLOCK_SIZE/2;
DFSTestUtil.createFile(fs, TEST_FILE, expectedSize, (short)1, 1L);
HATestUtil.waitForStandbyToCatchUp(nn0, nn1);
ContentSummary cs = nn1.getRpcServer().getContentSummary(TEST_DIR_STR);
assertEquals(NS_QUOTA, cs.getQuota());
assertEquals(DS_QUOTA, cs.getSpaceQuota());
assertEquals(expectedSize, cs.getSpaceConsumed());
assertEquals(1, cs.getDirectoryCount());
assertEquals(1, cs.getFileCount());
// Append to the file and make sure quota is updated correctly.
FSDataOutputStream stm = fs.append(TEST_FILE);
try {
byte[] data = new byte[(int) (BLOCK_SIZE * 3 / 2)];
stm.write(data);
expectedSize += data.length;
} finally {
IOUtils.closeStream(stm);
}
HATestUtil.waitForStandbyToCatchUp(nn0, nn1);
cs = nn1.getRpcServer().getContentSummary(TEST_DIR_STR);
assertEquals(NS_QUOTA, cs.getQuota());
assertEquals(DS_QUOTA, cs.getSpaceQuota());
assertEquals(expectedSize, cs.getSpaceConsumed());
assertEquals(1, cs.getDirectoryCount());
assertEquals(1, cs.getFileCount());
fs.delete(TEST_FILE, true);
expectedSize = 0;
HATestUtil.waitForStandbyToCatchUp(nn0, nn1);
cs = nn1.getRpcServer().getContentSummary(TEST_DIR_STR);
assertEquals(NS_QUOTA, cs.getQuota());
assertEquals(DS_QUOTA, cs.getSpaceQuota());
assertEquals(expectedSize, cs.getSpaceConsumed());
assertEquals(1, cs.getDirectoryCount());
assertEquals(0, cs.getFileCount());
}
}