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Merge pull request #7 from chrislusf/master

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hilimd 2020-07-30 11:43:00 +08:00 committed by GitHub
commit d9af6e851b
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4 changed files with 100 additions and 2 deletions
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49
other/java/hdfs2/src/main/java/seaweed/hdfs/BufferedSeaweedInputStream.java Normal file
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@ -0,0 +1,49 @@
package seaweed.hdfs;
import org.apache.hadoop.fs.PositionedReadable;
import org.apache.hadoop.fs.Seekable;
import java.io.BufferedInputStream;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
class BufferedSeaweedInputStream extends FilterInputStream implements Seekable, PositionedReadable {
SeaweedInputStream t;
protected BufferedSeaweedInputStream(InputStream in, int bufferSize) {
super(new BufferedInputStream(in, bufferSize));
t = (SeaweedInputStream)in;
}
@Override
public int read(long position, byte[] buffer, int offset, int length) throws IOException {
return this.t.read(position,buffer,offset,length);
}
@Override
public void readFully(long position, byte[] buffer, int offset, int length) throws IOException {
this.t.readFully(position,buffer,offset,length);
}
@Override
public void readFully(long position, byte[] buffer) throws IOException {
this.t.readFully(position,buffer);
}
@Override
public void seek(long pos) throws IOException {
this.t.seek(pos);
}
@Override
public long getPos() throws IOException {
return this.t.getPos();
}
@Override
public boolean seekToNewSource(long targetPos) throws IOException {
return this.t.seekToNewSource(targetPos);
}
}

2
other/java/hdfs2/src/main/java/seaweed/hdfs/SeaweedFileSystem.java
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@ -76,7 +76,7 @@ public class SeaweedFileSystem extends FileSystem {
try {
InputStream inputStream = seaweedFileSystemStore.openFileForRead(path, statistics, bufferSize);
return new FSDataInputStream(inputStream);
return new FSDataInputStream(new BufferedSeaweedInputStream(inputStream, 16 * 1024 * 1024));
} catch (Exception ex) {
LOG.warn("open path: {} bufferSize:{}", path, bufferSize, ex);
return null;

49
other/java/hdfs3/src/main/java/seaweed/hdfs/BufferedSeaweedInputStream.java Normal file
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@ -0,0 +1,49 @@
package seaweed.hdfs;
import org.apache.hadoop.fs.PositionedReadable;
import org.apache.hadoop.fs.Seekable;
import java.io.BufferedInputStream;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
class BufferedSeaweedInputStream extends FilterInputStream implements Seekable, PositionedReadable {
SeaweedInputStream t;
protected BufferedSeaweedInputStream(InputStream in, int bufferSize) {
super(new BufferedInputStream(in, bufferSize));
t = (SeaweedInputStream)in;
}
@Override
public int read(long position, byte[] buffer, int offset, int length) throws IOException {
return this.t.read(position,buffer,offset,length);
}
@Override
public void readFully(long position, byte[] buffer, int offset, int length) throws IOException {
this.t.readFully(position,buffer,offset,length);
}
@Override
public void readFully(long position, byte[] buffer) throws IOException {
this.t.readFully(position,buffer);
}
@Override
public void seek(long pos) throws IOException {
this.t.seek(pos);
}
@Override
public long getPos() throws IOException {
return this.t.getPos();
}
@Override
public boolean seekToNewSource(long targetPos) throws IOException {
return this.t.seekToNewSource(targetPos);
}
}

2
other/java/hdfs3/src/main/java/seaweed/hdfs/SeaweedFileSystem.java
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@ -76,7 +76,7 @@ public class SeaweedFileSystem extends FileSystem {
try {
InputStream inputStream = seaweedFileSystemStore.openFileForRead(path, statistics, bufferSize);
return new FSDataInputStream(inputStream);
return new FSDataInputStream(new BufferedSeaweedInputStream(inputStream, 16 * 1024 * 1024));
} catch (Exception ex) {
LOG.warn("open path: {} bufferSize:{}", path, bufferSize, ex);
return null;