HBASE-16691 Optimize KeyOnlyFilter by utilizing KeyOnlyCell (binlijin)

This commit is contained in:
tedyu 2016-09-26 09:06:00 -07:00
parent 8da0500e7d
commit 890e3f223f
2 changed files with 405 additions and 14 deletions

View File

@ -20,11 +20,12 @@ package org.apache.hadoop.hbase.filter;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import org.apache.hadoop.hbase.ByteBufferedCell;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.KeyValueUtil;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.classification.InterfaceStability;
import org.apache.hadoop.hbase.exceptions.DeserializationException;
@ -61,19 +62,11 @@ public class KeyOnlyFilter extends FilterBase {
}
private Cell createKeyOnlyCell(Cell c) {
// KV format: <keylen:4><valuelen:4><key:keylen><value:valuelen>
// Rebuild as: <keylen:4><0:4><key:keylen>
int dataLen = lenAsVal ? Bytes.SIZEOF_INT : 0;
int keyOffset = (2 * Bytes.SIZEOF_INT);
int keyLen = KeyValueUtil.keyLength(c);
byte[] newBuffer = new byte[keyLen + keyOffset + dataLen];
Bytes.putInt(newBuffer, 0, keyLen);
Bytes.putInt(newBuffer, Bytes.SIZEOF_INT, dataLen);
KeyValueUtil.appendKeyTo(c, newBuffer, keyOffset);
if (lenAsVal) {
Bytes.putInt(newBuffer, newBuffer.length - dataLen, c.getValueLength());
if (c instanceof ByteBufferedCell) {
return new KeyOnlyByteBufferedCell((ByteBufferedCell) c, lenAsVal);
} else {
return new KeyOnlyCell(c, lenAsVal);
}
return new KeyValue(newBuffer);
}
@Override
@ -130,4 +123,275 @@ public class KeyOnlyFilter extends FilterBase {
KeyOnlyFilter other = (KeyOnlyFilter)o;
return this.lenAsVal == other.lenAsVal;
}
static class KeyOnlyCell implements Cell {
private Cell cell;
private boolean lenAsVal;
public KeyOnlyCell(Cell c, boolean lenAsVal) {
this.cell = c;
this.lenAsVal = lenAsVal;
}
@Override
public byte[] getRowArray() {
return cell.getRowArray();
}
@Override
public int getRowOffset() {
return cell.getRowOffset();
}
@Override
public short getRowLength() {
return cell.getRowLength();
}
@Override
public byte[] getFamilyArray() {
return cell.getFamilyArray();
}
@Override
public int getFamilyOffset() {
return cell.getFamilyOffset();
}
@Override
public byte getFamilyLength() {
return cell.getFamilyLength();
}
@Override
public byte[] getQualifierArray() {
return cell.getQualifierArray();
}
@Override
public int getQualifierOffset() {
return cell.getQualifierOffset();
}
@Override
public int getQualifierLength() {
return cell.getQualifierLength();
}
@Override
public long getTimestamp() {
return cell.getTimestamp();
}
@Override
public byte getTypeByte() {
return cell.getTypeByte();
}
@Override
public long getSequenceId() {
return 0;
}
@Override
public byte[] getValueArray() {
if (lenAsVal) {
return Bytes.toBytes(cell.getValueLength());
} else {
return HConstants.EMPTY_BYTE_ARRAY;
}
}
@Override
public int getValueOffset() {
return 0;
}
@Override
public int getValueLength() {
if (lenAsVal) {
return Bytes.SIZEOF_INT;
} else {
return 0;
}
}
@Override
public byte[] getTagsArray() {
return HConstants.EMPTY_BYTE_ARRAY;
}
@Override
public int getTagsOffset() {
return 0;
}
@Override
public int getTagsLength() {
return 0;
}
}
static class KeyOnlyByteBufferedCell extends ByteBufferedCell {
private ByteBufferedCell cell;
private boolean lenAsVal;
public KeyOnlyByteBufferedCell(ByteBufferedCell c, boolean lenAsVal) {
this.cell = c;
this.lenAsVal = lenAsVal;
}
@Override
public byte[] getRowArray() {
return cell.getRowArray();
}
@Override
public int getRowOffset() {
return cell.getRowOffset();
}
@Override
public short getRowLength() {
return cell.getRowLength();
}
@Override
public byte[] getFamilyArray() {
return cell.getFamilyArray();
}
@Override
public int getFamilyOffset() {
return cell.getFamilyOffset();
}
@Override
public byte getFamilyLength() {
return cell.getFamilyLength();
}
@Override
public byte[] getQualifierArray() {
return cell.getQualifierArray();
}
@Override
public int getQualifierOffset() {
return cell.getQualifierOffset();
}
@Override
public int getQualifierLength() {
return cell.getQualifierLength();
}
@Override
public long getTimestamp() {
return cell.getTimestamp();
}
@Override
public byte getTypeByte() {
return cell.getTypeByte();
}
@Override
public long getSequenceId() {
return 0;
}
@Override
public byte[] getValueArray() {
if (lenAsVal) {
return Bytes.toBytes(cell.getValueLength());
} else {
return HConstants.EMPTY_BYTE_ARRAY;
}
}
@Override
public int getValueOffset() {
return 0;
}
@Override
public int getValueLength() {
if (lenAsVal) {
return Bytes.SIZEOF_INT;
} else {
return 0;
}
}
@Override
public byte[] getTagsArray() {
return HConstants.EMPTY_BYTE_ARRAY;
}
@Override
public int getTagsOffset() {
return 0;
}
@Override
public int getTagsLength() {
return 0;
}
@Override
public ByteBuffer getRowByteBuffer() {
return cell.getRowByteBuffer();
}
@Override
public int getRowPosition() {
return cell.getRowPosition();
}
@Override
public ByteBuffer getFamilyByteBuffer() {
return cell.getFamilyByteBuffer();
}
@Override
public int getFamilyPosition() {
return cell.getFamilyPosition();
}
@Override
public ByteBuffer getQualifierByteBuffer() {
return cell.getQualifierByteBuffer();
}
@Override
public int getQualifierPosition() {
return cell.getQualifierPosition();
}
@Override
public ByteBuffer getValueByteBuffer() {
if (lenAsVal) {
return ByteBuffer.wrap(Bytes.toBytes(cell.getValueLength()));
} else {
return HConstants.EMPTY_BYTE_BUFFER;
}
}
@Override
public int getValuePosition() {
return 0;
}
@Override
public ByteBuffer getTagsByteBuffer() {
return HConstants.EMPTY_BYTE_BUFFER;
}
@Override
public int getTagsPosition() {
return 0;
}
}
}

View File

@ -0,0 +1,127 @@
/**
* 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.hbase.filter;
import static org.junit.Assert.assertTrue;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.KeyValue.Type;
import org.apache.hadoop.hbase.KeyValueUtil;
import org.apache.hadoop.hbase.TestCellUtil.ByteBufferedCellImpl;
import org.apache.hadoop.hbase.filter.KeyOnlyFilter.KeyOnlyByteBufferedCell;
import org.apache.hadoop.hbase.filter.KeyOnlyFilter.KeyOnlyCell;
import org.apache.hadoop.hbase.testclassification.MiscTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
@Category({ MiscTests.class, SmallTests.class })
@RunWith(Parameterized.class)
public class TestKeyOnlyFilter {
private final boolean lenAsVal;
@Parameters
public static Collection<Object[]> parameters() {
List<Object[]> paramList = new ArrayList<Object[]>();
{
paramList.add(new Object[] { false });
paramList.add(new Object[] { true });
}
return paramList;
}
public TestKeyOnlyFilter(boolean lenAsVal) {
this.lenAsVal = lenAsVal;
}
@Test
public void testKeyOnly() throws Exception {
byte[] r = Bytes.toBytes("row1");
byte[] f = Bytes.toBytes("cf1");
byte[] q = Bytes.toBytes("qual1");
byte[] v = Bytes.toBytes("val1");
byte[] tags = Bytes.toBytes("tag1");
KeyValue kv = new KeyValue(r, f, q, 0, q.length, 1234L, Type.Put, v, 0,
v.length, tags);
ByteBuffer buffer = ByteBuffer.wrap(kv.getBuffer());
ByteBufferedCellImpl bbCell = new ByteBufferedCellImpl(buffer, 0,
buffer.remaining());
// KV format: <keylen:4><valuelen:4><key:keylen><value:valuelen>
// Rebuild as: <keylen:4><0:4><key:keylen>
int dataLen = lenAsVal ? Bytes.SIZEOF_INT : 0;
int keyOffset = (2 * Bytes.SIZEOF_INT);
int keyLen = KeyValueUtil.keyLength(kv);
byte[] newBuffer = new byte[keyLen + keyOffset + dataLen];
Bytes.putInt(newBuffer, 0, keyLen);
Bytes.putInt(newBuffer, Bytes.SIZEOF_INT, dataLen);
KeyValueUtil.appendKeyTo(kv, newBuffer, keyOffset);
if (lenAsVal) {
Bytes.putInt(newBuffer, newBuffer.length - dataLen, kv.getValueLength());
}
KeyValue KeyOnlyKeyValue = new KeyValue(newBuffer);
KeyOnlyCell keyOnlyCell = new KeyOnlyCell(kv, lenAsVal);
KeyOnlyByteBufferedCell keyOnlyByteBufferedCell = new KeyOnlyByteBufferedCell(
bbCell, lenAsVal);
assertTrue(CellUtil.matchingRows(KeyOnlyKeyValue, keyOnlyCell));
assertTrue(CellUtil.matchingRows(KeyOnlyKeyValue, keyOnlyByteBufferedCell));
assertTrue(CellUtil.matchingFamily(KeyOnlyKeyValue, keyOnlyCell));
assertTrue(CellUtil
.matchingFamily(KeyOnlyKeyValue, keyOnlyByteBufferedCell));
assertTrue(CellUtil.matchingQualifier(KeyOnlyKeyValue, keyOnlyCell));
assertTrue(CellUtil.matchingQualifier(KeyOnlyKeyValue,
keyOnlyByteBufferedCell));
assertTrue(CellUtil.matchingValue(KeyOnlyKeyValue, keyOnlyCell));
assertTrue(KeyOnlyKeyValue.getValueLength() == keyOnlyByteBufferedCell
.getValueLength());
if (keyOnlyByteBufferedCell.getValueLength() > 0) {
assertTrue(CellUtil.matchingValue(KeyOnlyKeyValue,
keyOnlyByteBufferedCell));
}
assertTrue(KeyOnlyKeyValue.getTimestamp() == keyOnlyCell.getTimestamp());
assertTrue(KeyOnlyKeyValue.getTimestamp() == keyOnlyByteBufferedCell
.getTimestamp());
assertTrue(KeyOnlyKeyValue.getTypeByte() == keyOnlyCell.getTypeByte());
assertTrue(KeyOnlyKeyValue.getTypeByte() == keyOnlyByteBufferedCell
.getTypeByte());
assertTrue(KeyOnlyKeyValue.getTagsLength() == keyOnlyCell.getTagsLength());
assertTrue(KeyOnlyKeyValue.getTagsLength() == keyOnlyByteBufferedCell
.getTagsLength());
}
}