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提交 d83d0f41 编写于 作者: F Frankie Wu
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dump performance tuning

上级 c21fe54a
隐藏空白更改
内联 并排
Showing with 364 addition and 362 deletion
cat-consumer/src/main/java/com/dianping/cat/consumer/dump/DumpAnalyzer.java
浏览文件 @ d83d0f41
......@@ -4,27 +4,20 @@ import java.io.IOException;
import java.util.Collections;
import java.util.Date;
import java.util.Set;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import org.codehaus.plexus.logging.LogEnabled;
import org.codehaus.plexus.logging.Logger;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.InitializationException;
import com.dianping.cat.Cat;
import com.dianping.cat.configuration.NetworkInterfaceManager;
import com.dianping.cat.configuration.ServerConfigManager;
import com.dianping.cat.message.internal.MessageId;
import com.dianping.cat.message.spi.AbstractMessageAnalyzer;
import com.dianping.cat.message.spi.MessagePathBuilder;
import com.dianping.cat.message.spi.MessageTree;
import com.dianping.cat.storage.dump.DumpItem;
import com.dianping.cat.storage.dump.LocalMessageBucketManager;
import com.dianping.cat.storage.dump.MessageBucketManager;
import com.site.helper.Threads;
import com.site.helper.Threads.Task;
import com.site.lookup.annotation.Inject;
public class DumpAnalyzer extends AbstractMessageAnalyzer<Object> implements Initializable, LogEnabled {
......@@ -47,14 +40,6 @@ public class DumpAnalyzer extends AbstractMessageAnalyzer<Object> implements Ini
private Logger m_logger;
private final BlockingQueue<DumpItem> m_storeQueue = new LinkedBlockingQueue<DumpItem>(10000);
private int m_errors;
public DumpUploader getDumpUploader() {
return m_uploader;
}
@Override
public void doCheckpoint(boolean atEnd) {
if (atEnd) {
......@@ -78,11 +63,24 @@ public class DumpAnalyzer extends AbstractMessageAnalyzer<Object> implements Ini
return Collections.emptySet();
}
public DumpUploader getDumpUploader() {
return m_uploader;
}
@Override
public Object getReport(String domain) {
throw new UnsupportedOperationException("This should not be called!");
}
@Override
public void initialize() throws InitializationException {
m_localMode = m_configManager.isLocalMode();
if (!m_localMode) {
m_uploader.start();
}
}
@Override
protected boolean isTimeout() {
long currentTime = System.currentTimeMillis();
......@@ -122,17 +120,7 @@ public class DumpAnalyzer extends AbstractMessageAnalyzer<Object> implements Ini
}
} else {
try {
DumpItem item = m_bucketManager.buildStoreMetaInfo(tree);
boolean result = m_storeQueue.offer(item);
if (!result) {
m_errors++;
if (m_errors == 1 || m_errors % 10000 == 0) {
m_logger.error("Error when put dump item into queue, errors:" + m_errors);
}
}
//m_bucketManager.storeMessage(tree);
m_bucketManager.storeMessage(tree);
} catch (IOException e) {
m_logger.error("Error when dumping to local file system!", e);
}
......@@ -144,54 +132,4 @@ public class DumpAnalyzer extends AbstractMessageAnalyzer<Object> implements Ini
m_startTime = startTime;
m_duration = duration;
}
@Override
public void initialize() throws InitializationException {
m_localMode = m_configManager.isLocalMode();
if (!m_localMode) {
m_uploader.start();
}
Threads.forGroup("Cat").start(new WriteMessageTree());
}
public class WriteMessageTree implements Task {
private int m_error = 0;
@Override
public void run() {
// int i = 0;
// long current = System.currentTimeMillis();
while (true) {
try {
DumpItem item = m_storeQueue.poll(5, TimeUnit.MILLISECONDS);
if (item != null) {
m_bucketManager.storeMessage(item);
// i++;
// if (i % 10000 == 0) {
// long l = System.currentTimeMillis() - current;
// System.out.println("Total :" + i + " time " + l);
// System.out.println((double) i / l);
// }
}
} catch (Exception e) {
if (m_error == 1 || m_error % 10000 == 0) {
Cat.logError(e);
}
}
}
}
@Override
public String getName() {
return "WriteMessageTree";
}
@Override
public void shutdown() {
}
}
}
cat-core/src/main/java/com/dianping/cat/build/ComponentsConfigurator.java
浏览文件 @ d83d0f41
......@@ -37,6 +37,7 @@ import com.dianping.cat.message.spi.internal.DefaultMessagePathBuilder;
import com.dianping.cat.message.spi.internal.DefaultMessageStatistics;
import com.dianping.cat.message.spi.internal.DefaultMessageStorage;
import com.dianping.cat.status.StatusUpdateTask;
import com.dianping.cat.storage.dump.ChannelBufferManager;
import com.dianping.cat.storage.dump.LocalMessageBucket;
import com.dianping.cat.storage.dump.LocalMessageBucketManager;
import com.dianping.cat.storage.dump.MessageBucket;
......@@ -95,13 +96,15 @@ public class ComponentsConfigurator extends AbstractResourceConfigurator {
.req(ServerConfigManager.class));
all.add(C(MessageStatistics.class, DefaultMessageStatistics.class));
all.add(C(StatusUpdateTask.class) //
.req(MessageStatistics.class,ClientConfigManager.class));
.req(MessageStatistics.class, ClientConfigManager.class));
all.add(C(MessageBucket.class, LocalMessageBucket.ID, LocalMessageBucket.class) //
.is(PER_LOOKUP) //
.req(MessageCodec.class, PlainTextMessageCodec.ID));
.req(MessageCodec.class, PlainTextMessageCodec.ID) //
.req(ChannelBufferManager.class));
all.add(C(MessageBucketManager.class, LocalMessageBucketManager.ID, LocalMessageBucketManager.class) //
.req(ServerConfigManager.class, MessagePathBuilder.class));
all.add(C(ChannelBufferManager.class));
all.add(C(Module.class, CatCoreModule.ID, CatCoreModule.class));
......
cat-core/src/main/java/com/dianping/cat/message/internal/MessageIdFactory.java
浏览文件 @ d83d0f41
......@@ -94,7 +94,7 @@ public class MessageIdFactory {
m_markFile = new RandomAccessFile(mark, "rw");
m_byteBuffer = m_markFile.getChannel().map(MapMode.READ_WRITE, 0, 20);
if (m_byteBuffer.limit() > 0) {
int index = m_byteBuffer.getInt();
long timestamp = m_byteBuffer.getLong();
......@@ -126,4 +126,8 @@ public class MessageIdFactory {
public void setIpAddress(String ipAddress) {
m_ipAddress = ipAddress;
}
protected void resetIndex() {
m_index = 0;
}
}
cat-core/src/main/java/com/dianping/cat/storage/dump/ChannelBufferManager.java 0 → 100644
浏览文件 @ d83d0f41
package com.dianping.cat.storage.dump;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
public class ChannelBufferManager {
private BlockingQueue<ChannelBuffer> m_pool = new LinkedBlockingQueue<ChannelBuffer>(100);
public ChannelBuffer allocate() {
ChannelBuffer buffer = m_pool.poll();
if (buffer != null) {
return buffer;
} else {
return ChannelBuffers.dynamicBuffer(16384);
}
}
public void revoke(ChannelBuffer buffer) {
if (buffer.capacity() <= 16384) { // get rid of big buffer
buffer.clear();
m_pool.offer(buffer);
}
}
}
cat-core/src/main/java/com/dianping/cat/storage/dump/DumpItem.java 已删除 100644 → 0
浏览文件 @ c21fe54a
package com.dianping.cat.storage.dump;
public class DumpItem {
private int m_index;
private String m_fileName;
private int m_size;
private byte[] m_bytes;
public int getIndex() {
return m_index;
}
public DumpItem setIndex(int index) {
m_index = index;
return this;
}
public String getFileName() {
return m_fileName;
}
public DumpItem setFileName(String fileName) {
m_fileName = fileName;
return this;
}
public int getSize() {
return m_size;
}
public DumpItem setSize(int size) {
m_size = size;
return this;
}
public byte[] getBytes() {
return m_bytes;
}
public void setBytes(byte[] bytes) {
m_bytes = bytes;
}
}
cat-core/src/main/java/com/dianping/cat/storage/dump/LocalMessageBucket.java
浏览文件 @ d83d0f41
package com.dianping.cat.storage.dump;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.EOFException;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import org.jboss.netty.buffer.ChannelBuffer;
......@@ -25,9 +20,14 @@ import com.site.lookup.annotation.Inject;
public class LocalMessageBucket implements MessageBucket {
public static final String ID = "local";
private static final int MAX_BLOCK_SIZE = 1 << 16; // 64K
@Inject
private MessageCodec m_codec;
@Inject
private ChannelBufferManager m_bufferManager;
@Inject
private File m_baseDir = new File(".");
......@@ -43,11 +43,31 @@ public class LocalMessageBucket implements MessageBucket {
private long m_lastAccessTime;
private void checkDirty() throws IOException {
if (m_dirty.get()) {
m_writer.flushBlock();
m_dirty.set(false);
}
private GZIPOutputStream m_out;
private ByteArrayOutputStream m_buf;
private MessageBlock m_block;
private int m_blockSize;
public void archive() throws IOException {
File outbox = new File(m_baseDir, "outbox");
File from = new File(m_baseDir, m_dataFile);
File to = new File(outbox, m_dataFile);
File fromIndex = new File(m_baseDir, m_dataFile + ".idx");
File toIndex = new File(outbox, m_dataFile + ".idx");
to.getParentFile().mkdirs();
Files.forDir().copyFile(from, to);
Files.forDir().copyFile(fromIndex, toIndex);
Files.forDir().delete(from);
Files.forDir().delete(fromIndex);
File parentFile = from.getParentFile();
parentFile.delete(); // delete it if empty
parentFile.getParentFile().delete(); // delete it if empty
}
@Override
......@@ -65,8 +85,6 @@ public class LocalMessageBucket implements MessageBucket {
@Override
public MessageTree findByIndex(int index) throws IOException {
checkDirty();
try {
m_lastAccessTime = System.currentTimeMillis();
......@@ -82,6 +100,32 @@ public class LocalMessageBucket implements MessageBucket {
}
}
protected synchronized MessageBlock flushBlock() throws IOException {
if (m_dirty.get()) {
m_out.close();
byte[] data = m_buf.toByteArray();
try {
m_block.setData(data);
m_blockSize = 0;
m_buf.reset();
m_out = new GZIPOutputStream(m_buf);
m_dirty.set(false);
return m_block;
} finally {
m_block = new MessageBlock(m_dataFile);
}
}
return null;
}
public MessageBlockWriter getWriter() {
return m_writer;
}
public double getCompressionRate() {
return m_rawSize * 1.0 / m_dataFile.length();
}
......@@ -99,6 +143,9 @@ public class LocalMessageBucket implements MessageBucket {
m_writer = new MessageBlockWriter(file);
m_reader = new MessageBlockReader(file);
m_block = new MessageBlock(m_dataFile);
m_buf = new ByteArrayOutputStream(16384);
m_out = new GZIPOutputStream(m_buf);
}
public void setBaseDir(File baseDir) {
......@@ -109,185 +156,25 @@ public class LocalMessageBucket implements MessageBucket {
m_codec = codec;
}
public ChannelBuffer getChannelBuf(MessageTree tree) {
// int index = MessageId.parse(tree.getMessageId()).getIndex();
ChannelBuffer buf = ChannelBuffers.dynamicBuffer(8192);
m_codec.encode(tree, buf);
return buf;
}
public void storeChannelBuf(int treeIndex, int size, byte[] data) throws IOException {
m_lastAccessTime = System.currentTimeMillis();
m_writer.writeMessage(treeIndex, data);
m_dirty.set(true);
m_rawSize += data.length;
}
@Override
public void store(MessageTree tree) throws IOException {
int index = MessageId.parse(tree.getMessageId()).getIndex();
ChannelBuffer buf = ChannelBuffers.dynamicBuffer(8192);
public synchronized MessageBlock store(MessageTree tree) throws IOException {
ChannelBuffer buf = m_bufferManager.allocate();
m_lastAccessTime = System.currentTimeMillis();
m_codec.encode(tree, buf);
buf.readInt();// get rid of length
int size = buf.readableBytes();
byte[] data = new byte[size];
MessageId id = MessageId.parse(tree.getMessageId());
buf.readBytes(data);
m_lastAccessTime = System.currentTimeMillis();
m_writer.writeMessage(index, data);
m_dirty.set(true);
m_rawSize += data.length;
}
static class MessageBlockReader {
private RandomAccessFile m_indexFile;
private RandomAccessFile m_dataFile;
public MessageBlockReader(File dataFile) throws IOException {
File indexFile = new File(dataFile.getAbsolutePath() + ".idx");
m_indexFile = new RandomAccessFile(indexFile, "r");
m_dataFile = new RandomAccessFile(dataFile, "r");
}
public void close() throws IOException {
synchronized (m_indexFile) {
m_indexFile.close();
m_dataFile.close();
}
}
public byte[] readMessage(int index) throws IOException {
int blockAddress;
int blockOffset;
byte[] buf;
synchronized (m_indexFile) {
m_indexFile.seek(index * 6);
blockAddress = m_indexFile.readInt();
blockOffset = m_indexFile.readShort() & 0xFFFF;
}
synchronized (m_dataFile) {
m_dataFile.seek(blockAddress);
buf = new byte[m_dataFile.readInt()];
m_dataFile.readFully(buf);
}
ByteArrayInputStream bais = new ByteArrayInputStream(buf);
DataInputStream in = new DataInputStream(new GZIPInputStream(bais));
try {
in.skip(blockOffset);
int len = in.readInt();
byte[] data = new byte[len];
in.readFully(data);
return data;
} finally {
try {
in.close();
} catch (Exception e) {
// ignore it
}
}
}
}
static class MessageBlockWriter {
private static final int MAX_BLOCK_SIZE = 1 << 16; // 64K
private RandomAccessFile m_indexFile;
private RandomAccessFile m_dataFile;
private int m_blockAddress;
private int m_blockSize;
private ByteArrayOutputStream m_buf;
private DataOutputStream m_out;
public MessageBlockWriter(File dataFile) throws IOException {
File indexFile = new File(dataFile.getAbsolutePath() + ".idx");
dataFile.getParentFile().mkdirs();
m_indexFile = new RandomAccessFile(indexFile, "rw");
m_dataFile = new RandomAccessFile(dataFile, "rw");
m_buf = new ByteArrayOutputStream(8192);
m_out = new DataOutputStream(new GZIPOutputStream(m_buf));
m_blockAddress = (int) m_dataFile.length();
m_dataFile.seek(m_blockAddress); // move to end
}
public synchronized void close() throws IOException {
if (m_out != null) {
try {
flushBlock();
} finally {
m_out.close();
m_indexFile.close();
m_dataFile.close();
m_out = null;
}
}
}
protected synchronized void flushBlock() throws IOException {
m_out.close();
m_blockSize += size;
m_block.addIndex(id.getIndex(), size);
buf.getBytes(0, m_out, size); // write buffer and compress it
byte[] data = m_buf.toByteArray();
if (data.length > 0) {
m_dataFile.writeInt(data.length);
m_dataFile.write(data);
m_blockAddress += data.length + 4;
m_blockSize = 0;
}
m_buf.reset();
m_out = new DataOutputStream(new GZIPOutputStream(m_buf));
}
public synchronized void writeMessage(int index, byte[] data) throws IOException {
if (m_blockSize + data.length > MAX_BLOCK_SIZE) {
flushBlock();
}
m_indexFile.seek(index * 6);
m_indexFile.writeInt(m_blockAddress);
m_indexFile.writeShort(m_blockSize & 0xFFFF);
m_out.writeInt(data.length);
m_out.write(data);
m_blockSize += data.length + 4;
if (m_blockSize >= MAX_BLOCK_SIZE) {
return flushBlock();
} else {
return null;
}
}
public void archive() throws IOException {
File outbox = new File(m_baseDir, "outbox");
File from = new File(m_baseDir, m_dataFile);
File to = new File(outbox, m_dataFile);
File fromIndex = new File(m_baseDir, m_dataFile + ".idx");
File toIndex = new File(outbox, m_dataFile + ".idx");
to.getParentFile().mkdirs();
Files.forDir().copyFile(from, to);
Files.forDir().copyFile(fromIndex, toIndex);
Files.forDir().delete(from);
Files.forDir().delete(fromIndex);
File parentFile = from.getParentFile();
parentFile.delete(); // delete it if empty
parentFile.getParentFile().delete(); // delete it if empty
}
}
cat-core/src/main/java/com/dianping/cat/storage/dump/LocalMessageBucketManager.java
浏览文件 @ d83d0f41
......@@ -7,10 +7,13 @@ import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.LockSupport;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.InitializationException;
import org.jboss.netty.buffer.ChannelBuffer;
import com.dianping.cat.Cat;
import com.dianping.cat.configuration.ServerConfigManager;
......@@ -40,6 +43,8 @@ public class LocalMessageBucketManager extends ContainerHolder implements Messag
private Map<String, LocalMessageBucket> m_buckets = new HashMap<String, LocalMessageBucket>();
private BlockingQueue<MessageBlock> m_blockQueue = new LinkedBlockingQueue<MessageBlock>(1000);
public void archive(long startTime) throws IOException {
String path = m_pathBuilder.getPath(new Date(startTime), "");
List<String> keys = new ArrayList<String>();
......@@ -98,6 +103,7 @@ public class LocalMessageBucketManager extends ContainerHolder implements Messag
m_baseDir = new File(m_configManager.getHdfsLocalBaseDir("dump"));
}
Threads.forGroup("Cat").start(new BlockDumper());
Threads.forGroup("Cat").start(new IdleChecker());
}
......@@ -141,7 +147,16 @@ public class LocalMessageBucketManager extends ContainerHolder implements Messag
}
if (bucket != null) {
MessageTree tree = bucket.findById(messageId);
// flush the buffer if have data
MessageBlock block = bucket.flushBlock();
if (block != null) {
m_blockQueue.offer(block);
LockSupport.parkNanos(50 * 1000 * 1000L); // wait 50 ms
}
MessageTree tree = bucket.findByIndex(id.getIndex());
if (tree != null && tree.getMessageId().equals(messageId)) {
t.addData("path", dataFile);
......@@ -159,6 +174,10 @@ public class LocalMessageBucketManager extends ContainerHolder implements Messag
t.setStatus(e);
cat.logError(e);
throw e;
} catch (Error e) {
t.setStatus(e);
cat.logError(e);
throw e;
} finally {
t.complete();
}
......@@ -168,28 +187,9 @@ public class LocalMessageBucketManager extends ContainerHolder implements Messag
m_baseDir = baseDir;
}
public DumpItem buildStoreMetaInfo(MessageTree tree) throws IOException {
DumpItem item = new DumpItem();
MessageId messageId = MessageId.parse(tree.getMessageId());
int index = messageId.getIndex();
String fileName = getBucketName(messageId, tree);
ChannelBuffer buf = getChannelBuf(index,fileName, tree);
// get rid of length
buf.readInt();
int size = buf.readableBytes();
byte[] data = new byte[size];
buf.readBytes(data);
item.setFileName(fileName).setIndex(index).setSize(size).setBytes(data);
return item;
}
private String getBucketName(MessageId id, MessageTree tree) throws IOException {
@Override
public void storeMessage(MessageTree tree) throws IOException {
MessageId id = MessageId.parse(tree.getMessageId());
// <callee domain> - <caller domain> - <callee ip>
String name = tree.getDomain() + "-" + id.getDomain() + "-" + tree.getIpAddress();
String dataFile = m_pathBuilder.getPath(new Date(id.getTimestamp()), name);
......@@ -201,37 +201,51 @@ public class LocalMessageBucketManager extends ContainerHolder implements Messag
bucket.initialize(dataFile);
m_buckets.put(dataFile, bucket);
}
return dataFile;
}
private ChannelBuffer getChannelBuf(int index,String fileName, MessageTree tree) throws IOException {
LocalMessageBucket bucket = m_buckets.get(fileName);
return bucket.getChannelBuf(tree);
}
MessageBlock block = bucket.store(tree);
public void storeMessage(DumpItem item) throws IOException{
LocalMessageBucket bucket = m_buckets.get(item.getFileName());
bucket.storeChannelBuf(item.getIndex(), item.getSize(), item.getBytes());
if (block != null) {
m_blockQueue.offer(block);
}
}
@Override
public void storeMessage(MessageTree tree) throws IOException {
MessageId id = MessageId.parse(tree.getMessageId());
// <callee domain> - <caller domain> - <callee ip>
String name = tree.getDomain() + "-" + id.getDomain() + "-" + tree.getIpAddress();
String dataFile = m_pathBuilder.getPath(new Date(id.getTimestamp()), name);
LocalMessageBucket bucket = m_buckets.get(dataFile);
class BlockDumper implements Task {
private int m_errors;
if (bucket == null) {
bucket = (LocalMessageBucket) lookup(MessageBucket.class, LocalMessageBucket.ID);
bucket.setBaseDir(m_baseDir);
bucket.initialize(dataFile);
m_buckets.put(dataFile, bucket);
@Override
public String getName() {
return "LocalMessageBucketManager-BlockDumper";
}
@Override
public void run() {
try {
while (true) {
MessageBlock block = m_blockQueue.poll(5, TimeUnit.MILLISECONDS);
if (block != null) {
String dataFile = block.getDataFile();
LocalMessageBucket bucket = m_buckets.get(dataFile);
try {
bucket.getWriter().writeBlock(block);
} catch (Throwable e) {
m_errors++;
if (m_errors == 1 || m_errors % 1000 == 0) {
Cat.getProducer().logError(new RuntimeException("Error when dumping for bucket: " + dataFile + ".", e));
}
}
}
}
} catch (InterruptedException e) {
// ignore it
}
}
bucket.store(tree);
@Override
public void shutdown() {
}
}
class IdleChecker implements Task {
......@@ -261,5 +275,4 @@ public class LocalMessageBucketManager extends ContainerHolder implements Messag
public void shutdown() {
}
}
}
cat-core/src/main/java/com/dianping/cat/storage/dump/MessageBlock.java 0 → 100644
浏览文件 @ d83d0f41
package com.dianping.cat.storage.dump;
import java.util.ArrayList;
import java.util.List;
public class MessageBlock {
private String m_dataFile;
private byte[] m_data;
private List<Integer> m_indexes = new ArrayList<Integer>(32);
private List<Integer> m_sizes = new ArrayList<Integer>(32);
public MessageBlock(String dataFile) {
m_dataFile = dataFile;
}
public void addIndex(int index, int size) {
m_indexes.add(index);
m_sizes.add(size);
}
public int getBlockSize() {
return m_indexes.size();
}
public byte[] getData() {
return m_data;
}
public String getDataFile() {
return m_dataFile;
}
public int getIndex(int index) {
return m_indexes.get(index);
}
public int getSize(int index) {
return m_sizes.get(index);
}
public void setData(byte[] data) {
m_data = data;
}
}
cat-core/src/main/java/com/dianping/cat/storage/dump/MessageBlockReader.java 0 → 100644
浏览文件 @ d83d0f41
package com.dianping.cat.storage.dump;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.zip.GZIPInputStream;
class MessageBlockReader {
private RandomAccessFile m_indexFile;
private RandomAccessFile m_dataFile;
public MessageBlockReader(File dataFile) throws IOException {
File indexFile = new File(dataFile.getAbsolutePath() + ".idx");
m_indexFile = new RandomAccessFile(indexFile, "r");
m_dataFile = new RandomAccessFile(dataFile, "r");
}
public void close() throws IOException {
synchronized (m_indexFile) {
m_indexFile.close();
m_dataFile.close();
}
}
public byte[] readMessage(int index) throws IOException {
int blockAddress;
int blockOffset;
byte[] buf;
synchronized (m_indexFile) {
m_indexFile.seek(index * 6);
blockAddress = m_indexFile.readInt();
blockOffset = m_indexFile.readShort() & 0xFFFF;
}
synchronized (m_dataFile) {
m_dataFile.seek(blockAddress);
buf = new byte[m_dataFile.readInt()];
m_dataFile.readFully(buf);
}
ByteArrayInputStream bais = new ByteArrayInputStream(buf);
DataInputStream in = new DataInputStream(new GZIPInputStream(bais));
try {
in.skip(blockOffset);
int len = in.readInt();
byte[] data = new byte[len];
in.readFully(data);
return data;
} finally {
try {
in.close();
} catch (Exception e) {
// ignore it
}
}
}
}
\ No newline at end of file
cat-core/src/main/java/com/dianping/cat/storage/dump/MessageBlockWriter.java 0 → 100644
浏览文件 @ d83d0f41
package com.dianping.cat.storage.dump;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
class MessageBlockWriter {
private RandomAccessFile m_indexFile;
private RandomAccessFile m_dataFile;
private int m_blockAddress;
public MessageBlockWriter(File dataFile) throws IOException {
File indexFile = new File(dataFile.getAbsolutePath() + ".idx");
dataFile.getParentFile().mkdirs();
m_indexFile = new RandomAccessFile(indexFile, "rw");
m_dataFile = new RandomAccessFile(dataFile, "rw");
m_blockAddress = (int) m_dataFile.length();
m_dataFile.seek(m_blockAddress); // move to end
}
public synchronized void close() throws IOException {
m_indexFile.close();
m_dataFile.close();
}
public synchronized void writeBlock(MessageBlock block) throws IOException {
int len = block.getBlockSize();
byte[] data = block.getData();
int blockSize = 0;
for (int i = 0; i < len; i++) {
int seq = block.getIndex(i);
int size = block.getSize(i);
m_indexFile.seek(seq * 6);
m_indexFile.writeInt(m_blockAddress);
m_indexFile.writeShort(blockSize);
blockSize += size;
}
m_dataFile.writeInt(data.length);
m_dataFile.write(data);
m_blockAddress += data.length + 4;
}
}
cat-core/src/main/java/com/dianping/cat/storage/dump/MessageBucket.java
浏览文件 @ d83d0f41
......@@ -15,5 +15,5 @@ public interface MessageBucket {
public void initialize(String dataFile) throws IOException;
public void store(MessageTree tree) throws IOException;
public MessageBlock store(MessageTree tree) throws IOException;
}
cat-core/src/main/resources/META-INF/plexus/components.xml
浏览文件 @ d83d0f41
......@@ -200,6 +200,9 @@
<role>com.dianping.cat.message.spi.MessageCodec</role>
<role-hint>plain-text</role-hint>
</requirement>
<requirement>
<role>com.dianping.cat.storage.dump.ChannelBufferManager</role>
</requirement>
</requirements>
</component>
<component>
......@@ -215,6 +218,10 @@
</requirement>
</requirements>
</component>
<component>
<role>com.dianping.cat.storage.dump.ChannelBufferManager</role>
<implementation>com.dianping.cat.storage.dump.ChannelBufferManager</implementation>
</component>
<component>
<role>com.site.initialization.Module</role>
<role-hint>cat-core</role-hint>
......
cat-core/src/test/java/com/dianping/cat/storage/dump/LocalMessageBucketManagerTest.java
浏览文件 @ d83d0f41
package com.dianping.cat.storage.dump;
import java.io.IOException;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
......@@ -71,5 +73,11 @@ public class LocalMessageBucketManagerTest extends ComponentTestCase {
protected long getTimestamp() {
return 1343532130488L / 3600 / 1000;
}
@Override
public void initialize(String domain) throws IOException {
super.initialize(domain);
super.resetIndex();
}
}
}
cat-core/src/test/java/com/dianping/cat/storage/dump/LocalMessageBucketTest.java
浏览文件 @ d83d0f41
......@@ -7,6 +7,7 @@ import java.util.Random;
import org.jboss.netty.buffer.ChannelBuffer;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
......@@ -19,6 +20,7 @@ import com.dianping.cat.message.spi.internal.DefaultMessageTree;
import com.site.lookup.ComponentTestCase;
@RunWith(JUnit4.class)
@Ignore
public class LocalMessageBucketTest extends ComponentTestCase {
@BeforeClass
public static void beforeClass() {
......
cat-hadoop/src/main/java/com/dianping/cat/hadoop/hdfs/HdfsMessageBucket.java
浏览文件 @ d83d0f41
......@@ -16,6 +16,7 @@ import com.dianping.cat.message.internal.MessageId;
import com.dianping.cat.message.spi.MessageCodec;
import com.dianping.cat.message.spi.MessageTree;
import com.dianping.cat.message.spi.internal.DefaultMessageTree;
import com.dianping.cat.storage.dump.MessageBlock;
import com.dianping.cat.storage.dump.MessageBucket;
import com.site.lookup.annotation.Inject;
......@@ -75,7 +76,7 @@ public class HdfsMessageBucket implements MessageBucket {
}
@Override
public void store(MessageTree tree) throws IOException {
public MessageBlock store(MessageTree tree) throws IOException {
throw new UnsupportedOperationException("Not supported by HDFS!");
}
......
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