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HCFS: working with HBase

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This commit is contained in:
Chris Lu 2019-09-03 00:50:28 -07:00
parent 60c9215a00
commit fd509c3844
4 changed files with 69 additions and 25 deletions
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37
other/java/hdfs2/src/main/java/seaweed/hdfs/SeaweedFileSystem.java
View file

@ -1,14 +1,7 @@
package seaweed.hdfs;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileAlreadyExistsException;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.ParentNotDirectoryException;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.UnsupportedFileSystemException;
import org.apache.hadoop.fs.XAttrSetFlag;
import org.apache.hadoop.fs.*;
import org.apache.hadoop.fs.permission.AclEntry;
import org.apache.hadoop.fs.permission.AclStatus;
import org.apache.hadoop.fs.permission.FsPermission;
@ -87,6 +80,7 @@ public class SeaweedFileSystem extends org.apache.hadoop.fs.FileSystem {
InputStream inputStream = seaweedFileSystemStore.openFileForRead(path, statistics, bufferSize);
return new FSDataInputStream(inputStream);
} catch (Exception ex) {
LOG.warn("open path: {} bufferSize:{}", path, bufferSize, ex);
return null;
}
}
@ -104,10 +98,36 @@ public class SeaweedFileSystem extends org.apache.hadoop.fs.FileSystem {
OutputStream outputStream = seaweedFileSystemStore.createFile(path, overwrite, permission, bufferSize, replicaPlacement);
return new FSDataOutputStream(outputStream, statistics);
} catch (Exception ex) {
LOG.warn("create path: {} bufferSize:{} blockSize:{}", path, bufferSize, blockSize, ex);
return null;
}
}
/**
* {@inheritDoc}
* @throws FileNotFoundException if the parent directory is not present -or
* is not a directory.
*/
@Override
public FSDataOutputStream createNonRecursive(Path path,
FsPermission permission,
EnumSet<CreateFlag> flags,
int bufferSize,
short replication,
long blockSize,
Progressable progress) throws IOException {
Path parent = path.getParent();
if (parent != null) {
// expect this to raise an exception if there is no parent
if (!getFileStatus(parent).isDirectory()) {
throw new FileAlreadyExistsException("Not a directory: " + parent);
}
}
return create(path, permission,
flags.contains(CreateFlag.OVERWRITE), bufferSize,
replication, blockSize, progress);
}
@Override
public FSDataOutputStream append(Path path, int bufferSize, Progressable progressable) throws IOException {
@ -118,6 +138,7 @@ public class SeaweedFileSystem extends org.apache.hadoop.fs.FileSystem {
OutputStream outputStream = seaweedFileSystemStore.createFile(path, false, null, bufferSize, "");
return new FSDataOutputStream(outputStream, statistics);
} catch (Exception ex) {
LOG.warn("append path: {} bufferSize:{}", path, bufferSize, ex);
return null;
}
}

5
other/java/hdfs2/src/main/java/seaweed/hdfs/SeaweedFileSystemStore.java
View file

@ -137,7 +137,7 @@ public class SeaweedFileSystemStore {
if (source.isRoot()) {
return;
}
LOG.warn("rename lookupEntry source: {}", source);
LOG.warn("rename source: {} destination:{}", source, destination);
FilerProto.Entry entry = lookupEntry(source);
if (entry == null) {
LOG.warn("rename non-existing source: {}", source);
@ -171,11 +171,11 @@ public class SeaweedFileSystemStore {
entry = FilerProto.Entry.newBuilder();
entry.mergeFrom(existingEntry);
entry.getAttributesBuilder().setMtime(now);
}
LOG.debug("createFile merged entry path:{} entry:{} from:{}", path, entry, existingEntry);
writePosition = SeaweedRead.totalSize(existingEntry.getChunksList());
replication = existingEntry.getAttributes().getReplication();
}
}
if (entry == null) {
entry = FilerProto.Entry.newBuilder()
.setName(path.getName())
@ -266,4 +266,5 @@ public class SeaweedFileSystemStore {
filerClient.updateEntry(getParentDirectory(path), entryBuilder.build());
}
}

39
other/java/hdfs3/src/main/java/seaweed/hdfs/SeaweedFileSystem.java
View file

@ -1,14 +1,7 @@
package seaweed.hdfs;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileAlreadyExistsException;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.ParentNotDirectoryException;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.UnsupportedFileSystemException;
import org.apache.hadoop.fs.XAttrSetFlag;
import org.apache.hadoop.fs.*;
import org.apache.hadoop.fs.permission.AclEntry;
import org.apache.hadoop.fs.permission.AclStatus;
import org.apache.hadoop.fs.permission.FsPermission;
@ -29,7 +22,7 @@ import java.util.Map;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_KEY;
public class SeaweedFileSystem extends org.apache.hadoop.fs.FileSystem {
public class SeaweedFileSystem extends FileSystem {
public static final int FS_SEAWEED_DEFAULT_PORT = 8888;
public static final String FS_SEAWEED_FILER_HOST = "fs.seaweed.filer.host";
@ -87,6 +80,7 @@ public class SeaweedFileSystem extends org.apache.hadoop.fs.FileSystem {
InputStream inputStream = seaweedFileSystemStore.openFileForRead(path, statistics, bufferSize);
return new FSDataInputStream(inputStream);
} catch (Exception ex) {
LOG.warn("open path: {} bufferSize:{}", path, bufferSize, ex);
return null;
}
}
@ -104,10 +98,36 @@ public class SeaweedFileSystem extends org.apache.hadoop.fs.FileSystem {
OutputStream outputStream = seaweedFileSystemStore.createFile(path, overwrite, permission, bufferSize, replicaPlacement);
return new FSDataOutputStream(outputStream, statistics);
} catch (Exception ex) {
LOG.warn("create path: {} bufferSize:{} blockSize:{}", path, bufferSize, blockSize, ex);
return null;
}
}
/**
* {@inheritDoc}
* @throws FileNotFoundException if the parent directory is not present -or
* is not a directory.
*/
@Override
public FSDataOutputStream createNonRecursive(Path path,
FsPermission permission,
EnumSet<CreateFlag> flags,
int bufferSize,
short replication,
long blockSize,
Progressable progress) throws IOException {
Path parent = path.getParent();
if (parent != null) {
// expect this to raise an exception if there is no parent
if (!getFileStatus(parent).isDirectory()) {
throw new FileAlreadyExistsException("Not a directory: " + parent);
}
}
return create(path, permission,
flags.contains(CreateFlag.OVERWRITE), bufferSize,
replication, blockSize, progress);
}
@Override
public FSDataOutputStream append(Path path, int bufferSize, Progressable progressable) throws IOException {
@ -118,6 +138,7 @@ public class SeaweedFileSystem extends org.apache.hadoop.fs.FileSystem {
OutputStream outputStream = seaweedFileSystemStore.createFile(path, false, null, bufferSize, "");
return new FSDataOutputStream(outputStream, statistics);
} catch (Exception ex) {
LOG.warn("append path: {} bufferSize:{}", path, bufferSize, ex);
return null;
}
}

5
other/java/hdfs3/src/main/java/seaweed/hdfs/SeaweedFileSystemStore.java
View file

@ -137,7 +137,7 @@ public class SeaweedFileSystemStore {
if (source.isRoot()) {
return;
}
LOG.warn("rename lookupEntry source: {}", source);
LOG.warn("rename source: {} destination:{}", source, destination);
FilerProto.Entry entry = lookupEntry(source);
if (entry == null) {
LOG.warn("rename non-existing source: {}", source);
@ -171,11 +171,11 @@ public class SeaweedFileSystemStore {
entry = FilerProto.Entry.newBuilder();
entry.mergeFrom(existingEntry);
entry.getAttributesBuilder().setMtime(now);
}
LOG.debug("createFile merged entry path:{} entry:{} from:{}", path, entry, existingEntry);
writePosition = SeaweedRead.totalSize(existingEntry.getChunksList());
replication = existingEntry.getAttributes().getReplication();
}
}
if (entry == null) {
entry = FilerProto.Entry.newBuilder()
.setName(path.getName())
@ -266,4 +266,5 @@ public class SeaweedFileSystemStore {
filerClient.updateEntry(getParentDirectory(path), entryBuilder.build());
}
}