big-data/hadoop
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

HADOOP-15320. Remove customized getFileBlockLocations for hadoop-azure and hadoop-azure-datalake. Contributed by Shanyu Zhao

Browse Source
This commit is contained in:
Chris Douglas 2018-03-28 11:58:59 -07:00
parent 0b1c2b5fe1
commit 081c350188
3 changed files with 0 additions and 227 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
hadoop-tools/hadoop-azure-datalake/src/main/java/org/apache/hadoop/fs/adl/AdlFileSystem.java
View File

@ -46,7 +46,6 @@
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.BlockLocation;
import org.apache.hadoop.fs.ContentSummary;
import org.apache.hadoop.fs.ContentSummary.Builder;
import org.apache.hadoop.fs.CreateFlag;
@ -910,45 +909,6 @@ public long getBlockSize(Path f) throws IOException {
return ADL_BLOCK_SIZE;
}
@Override
public BlockLocation[] getFileBlockLocations(final FileStatus status,
final long offset, final long length) throws IOException {
if (status == null) {
return null;
}
if ((offset < 0) || (length < 0)) {
throw new IllegalArgumentException("Invalid start or len parameter");
}
if (status.getLen() < offset) {
return new BlockLocation[0];
}
final String[] name = {"localhost"};
final String[] host = {"localhost"};
long blockSize = ADL_BLOCK_SIZE;
int numberOfLocations =
(int) (length / blockSize) + ((length % blockSize == 0) ? 0 : 1);
BlockLocation[] locations = new BlockLocation[numberOfLocations];
for (int i = 0; i < locations.length; i++) {
long currentOffset = offset + (i * blockSize);
long currentLength = Math.min(blockSize, offset + length - currentOffset);
locations[i] = new BlockLocation(name, host, currentOffset,
currentLength);
}
return locations;
}
@Override
public BlockLocation[] getFileBlockLocations(final Path p, final long offset,
final long length) throws IOException {
// read ops incremented in getFileStatus
FileStatus fileStatus = getFileStatus(p);
return getFileBlockLocations(fileStatus, offset, length);
}
/**
* Get replication.
*

46
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/NativeAzureFileSystem.java
View File

@ -52,7 +52,6 @@
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.BlockLocation;
import org.apache.hadoop.fs.BufferedFSInputStream;
import org.apache.hadoop.fs.CreateFlag;
import org.apache.hadoop.fs.FSDataInputStream;
@ -726,10 +725,6 @@ public String getScheme() {
static final String AZURE_CHMOD_USERLIST_PROPERTY_DEFAULT_VALUE = "*";
static final String AZURE_BLOCK_LOCATION_HOST_PROPERTY_NAME =
"fs.azure.block.location.impersonatedhost";
private static final String AZURE_BLOCK_LOCATION_HOST_DEFAULT =
"localhost";
static final String AZURE_RINGBUFFER_CAPACITY_PROPERTY_NAME =
"fs.azure.ring.buffer.capacity";
static final String AZURE_OUTPUT_STREAM_BUFFER_SIZE_PROPERTY_NAME =
@ -3469,47 +3464,6 @@ private void performStickyBitCheckForRenameOperation(Path srcPath,
}
}
/**
* Return an array containing hostnames, offset and size of
* portions of the given file. For WASB we'll just lie and give
* fake hosts to make sure we get many splits in MR jobs.
*/
@Override
public BlockLocation[] getFileBlockLocations(FileStatus file,
long start, long len) throws IOException {
if (file == null) {
return null;
}
if ((start < 0) || (len < 0)) {
throw new IllegalArgumentException("Invalid start or len parameter");
}
if (file.getLen() < start) {
return new BlockLocation[0];
}
final String blobLocationHost = getConf().get(
AZURE_BLOCK_LOCATION_HOST_PROPERTY_NAME,
AZURE_BLOCK_LOCATION_HOST_DEFAULT);
final String[] name = { blobLocationHost };
final String[] host = { blobLocationHost };
long blockSize = file.getBlockSize();
if (blockSize <= 0) {
throw new IllegalArgumentException(
"The block size for the given file is not a positive number: "
+ blockSize);
}
int numberOfLocations = (int) (len / blockSize)
+ ((len % blockSize == 0) ? 0 : 1);
BlockLocation[] locations = new BlockLocation[numberOfLocations];
for (int i = 0; i < locations.length; i++) {
long currentOffset = start + (i * blockSize);
long currentLength = Math.min(blockSize, start + len - currentOffset);
locations[i] = new BlockLocation(name, host, currentOffset, currentLength);
}
return locations;
}
/**
* Set the working directory to the given directory.
*/

141
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azure/TestNativeAzureFileSystemBlockLocations.java
View File

@ -1,141 +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.fs.azure;
import java.io.OutputStream;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.BlockLocation;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.junit.Test;
/**
* Test block location logic.
*/
public class TestNativeAzureFileSystemBlockLocations
extends AbstractWasbTestWithTimeout {
@Test
public void testNumberOfBlocks() throws Exception {
Configuration conf = new Configuration();
conf.set(NativeAzureFileSystem.AZURE_BLOCK_SIZE_PROPERTY_NAME, "500");
AzureBlobStorageTestAccount testAccount = AzureBlobStorageTestAccount
.createMock(conf);
FileSystem fs = testAccount.getFileSystem();
Path testFile = createTestFile(fs, 1200);
FileStatus stat = fs.getFileStatus(testFile);
assertEquals(500, stat.getBlockSize());
testAccount.cleanup();
}
@Test
public void testBlockLocationsTypical() throws Exception {
BlockLocation[] locations = getBlockLocationsOutput(210, 50, 0, 210);
assertEquals(5, locations.length);
assertEquals("localhost", locations[0].getHosts()[0]);
assertEquals(50, locations[0].getLength());
assertEquals(10, locations[4].getLength());
assertEquals(100, locations[2].getOffset());
}
@Test
public void testBlockLocationsEmptyFile() throws Exception {
BlockLocation[] locations = getBlockLocationsOutput(0, 50, 0, 0);
assertEquals(0, locations.length);
}
@Test
public void testBlockLocationsSmallFile() throws Exception {
BlockLocation[] locations = getBlockLocationsOutput(1, 50, 0, 1);
assertEquals(1, locations.length);
assertEquals(1, locations[0].getLength());
}
@Test
public void testBlockLocationsExactBlockSizeMultiple() throws Exception {
BlockLocation[] locations = getBlockLocationsOutput(200, 50, 0, 200);
assertEquals(4, locations.length);
assertEquals(150, locations[3].getOffset());
assertEquals(50, locations[3].getLength());
}
@Test
public void testBlockLocationsSubsetOfFile() throws Exception {
BlockLocation[] locations = getBlockLocationsOutput(205, 10, 15, 35);
assertEquals(4, locations.length);
assertEquals(10, locations[0].getLength());
assertEquals(15, locations[0].getOffset());
assertEquals(5, locations[3].getLength());
assertEquals(45, locations[3].getOffset());
}
@Test
public void testBlockLocationsOutOfRangeSubsetOfFile() throws Exception {
BlockLocation[] locations = getBlockLocationsOutput(205, 10, 300, 10);
assertEquals(0, locations.length);
}
@Test
public void testBlockLocationsEmptySubsetOfFile() throws Exception {
BlockLocation[] locations = getBlockLocationsOutput(205, 10, 0, 0);
assertEquals(0, locations.length);
}
@Test
public void testBlockLocationsDifferentLocationHost() throws Exception {
BlockLocation[] locations = getBlockLocationsOutput(100, 10, 0, 100,
"myblobhost");
assertEquals(10, locations.length);
assertEquals("myblobhost", locations[0].getHosts()[0]);
}
private static BlockLocation[] getBlockLocationsOutput(int fileSize,
int blockSize, long start, long len) throws Exception {
return getBlockLocationsOutput(fileSize, blockSize, start, len, null);
}
private static BlockLocation[] getBlockLocationsOutput(int fileSize,
int blockSize, long start, long len, String blockLocationHost)
throws Exception {
Configuration conf = new Configuration();
conf.set(NativeAzureFileSystem.AZURE_BLOCK_SIZE_PROPERTY_NAME, ""
+ blockSize);
if (blockLocationHost != null) {
conf.set(NativeAzureFileSystem.AZURE_BLOCK_LOCATION_HOST_PROPERTY_NAME,
blockLocationHost);
}
AzureBlobStorageTestAccount testAccount = AzureBlobStorageTestAccount
.createMock(conf);
FileSystem fs = testAccount.getFileSystem();
Path testFile = createTestFile(fs, fileSize);
FileStatus stat = fs.getFileStatus(testFile);
BlockLocation[] locations = fs.getFileBlockLocations(stat, start, len);
testAccount.cleanup();
return locations;
}
private static Path createTestFile(FileSystem fs, int size) throws Exception {
Path testFile = new Path("/testFile");
OutputStream outputStream = fs.create(testFile);
outputStream.write(new byte[size]);
outputStream.close();
return testFile;
}
}