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@ -5,7 +5,6 @@ import org.apache.hadoop.fs.*; |
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import org.apache.hadoop.fs.permission.AclEntry; |
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import org.apache.hadoop.fs.permission.AclStatus; |
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import org.apache.hadoop.fs.permission.FsPermission; |
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import org.apache.hadoop.security.AccessControlException; |
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import org.apache.hadoop.security.UserGroupInformation; |
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import org.apache.hadoop.util.Progressable; |
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import org.slf4j.Logger; |
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@ -14,20 +13,19 @@ import seaweedfs.client.FilerProto; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.net.URI; |
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import java.util.EnumSet; |
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import java.util.List; |
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import java.util.Map; |
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import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_KEY; |
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public class SeaweedFileSystem extends FileSystem { |
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public static final int FS_SEAWEED_DEFAULT_PORT = 8888; |
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public static final String FS_SEAWEED_FILER_HOST = "fs.seaweed.filer.host"; |
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public static final String FS_SEAWEED_FILER_PORT = "fs.seaweed.filer.port"; |
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public static final int FS_SEAWEED_DEFAULT_PORT = 8888; |
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public static final String FS_SEAWEED_BUFFER_SIZE = "fs.seaweed.buffer.size"; |
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public static final int FS_SEAWEED_DEFAULT_BUFFER_SIZE = 4 * 1024 * 1024; |
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private static final Logger LOG = LoggerFactory.getLogger(SeaweedFileSystem.class); |
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@ -75,8 +73,9 @@ public class SeaweedFileSystem extends FileSystem { |
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path = qualify(path); |
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try { |
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FSInputStream inputStream = seaweedFileSystemStore.openFileForRead(path, statistics, bufferSize); |
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return new FSDataInputStream(new BufferedFSInputStream(inputStream, 16 * 1024 * 1024)); |
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int seaweedBufferSize = this.getConf().getInt(FS_SEAWEED_BUFFER_SIZE, FS_SEAWEED_DEFAULT_BUFFER_SIZE); |
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FSInputStream inputStream = seaweedFileSystemStore.openFileForRead(path, statistics, seaweedBufferSize); |
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return new FSDataInputStream(new BufferedFSInputStream(inputStream, 4 * seaweedBufferSize)); |
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} catch (Exception ex) { |
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LOG.warn("open path: {} bufferSize:{}", path, bufferSize, ex); |
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return null; |
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@ -93,7 +92,8 @@ public class SeaweedFileSystem extends FileSystem { |
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try { |
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String replicaPlacement = String.format("%03d", replication - 1); |
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OutputStream outputStream = seaweedFileSystemStore.createFile(path, overwrite, permission, bufferSize, replicaPlacement); |
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int seaweedBufferSize = this.getConf().getInt(FS_SEAWEED_BUFFER_SIZE, FS_SEAWEED_DEFAULT_BUFFER_SIZE); |
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OutputStream outputStream = seaweedFileSystemStore.createFile(path, overwrite, permission, seaweedBufferSize, replicaPlacement); |
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return new FSDataOutputStream(outputStream, statistics); |
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} catch (Exception ex) { |
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LOG.warn("create path: {} bufferSize:{} blockSize:{}", path, bufferSize, blockSize, ex); |
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@ -103,6 +103,7 @@ public class SeaweedFileSystem extends FileSystem { |
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/** |
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* {@inheritDoc} |
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* |
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* @throws FileNotFoundException if the parent directory is not present -or |
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* is not a directory. |
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*/ |
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@ -121,9 +122,10 @@ public class SeaweedFileSystem extends FileSystem { |
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throw new FileAlreadyExistsException("Not a directory: " + parent); |
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} |
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} |
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int seaweedBufferSize = this.getConf().getInt(FS_SEAWEED_BUFFER_SIZE, FS_SEAWEED_DEFAULT_BUFFER_SIZE); |
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return create(path, permission, |
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flags.contains(CreateFlag.OVERWRITE), bufferSize, |
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replication, blockSize, progress); |
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replication, seaweedBufferSize, progress); |
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} |
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@Override |
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@ -133,7 +135,8 @@ public class SeaweedFileSystem extends FileSystem { |
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path = qualify(path); |
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try { |
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OutputStream outputStream = seaweedFileSystemStore.createFile(path, false, null, bufferSize, ""); |
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int seaweedBufferSize = this.getConf().getInt(FS_SEAWEED_BUFFER_SIZE, FS_SEAWEED_DEFAULT_BUFFER_SIZE); |
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OutputStream outputStream = seaweedFileSystemStore.createFile(path, false, null, seaweedBufferSize, ""); |
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return new FSDataOutputStream(outputStream, statistics); |
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} catch (Exception ex) { |
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LOG.warn("append path: {} bufferSize:{}", path, bufferSize, ex); |
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@ -338,9 +341,7 @@ public class SeaweedFileSystem extends FileSystem { |
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@Override |
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public void createSymlink(final Path target, final Path link, |
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final boolean createParent) throws AccessControlException, |
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FileAlreadyExistsException, FileNotFoundException, |
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ParentNotDirectoryException, UnsupportedFileSystemException, |
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final boolean createParent) throws |
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IOException { |
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// Supporting filesystems should override this method |
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throw new UnsupportedOperationException( |
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