HBASE-26347 Support detect and exclude slow DNs in fan-out of WAL (#3800)

Signed-off-by: Duo Zhang <zhangduo@apache.org>
This commit is contained in:
Xiaolin Ha 2022-01-06 11:45:38 +08:00 committed by haxiaolin
parent 2b05e68ae1
commit 76bc412fc4
18 changed files with 592 additions and 72 deletions

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@ -23,6 +23,7 @@ import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.StreamCapabilities;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.util.CommonFSUtils;
import org.apache.hadoop.hbase.util.CommonFSUtils.StreamLacksCapabilityException;
import org.apache.hadoop.hdfs.DistributedFileSystem;
@ -47,11 +48,11 @@ public final class AsyncFSOutputHelper {
*/
public static AsyncFSOutput createOutput(FileSystem fs, Path f, boolean overwrite,
boolean createParent, short replication, long blockSize, EventLoopGroup eventLoopGroup,
Class<? extends Channel> channelClass)
Class<? extends Channel> channelClass, StreamSlowMonitor monitor)
throws IOException, CommonFSUtils.StreamLacksCapabilityException {
if (fs instanceof DistributedFileSystem) {
return FanOutOneBlockAsyncDFSOutputHelper.createOutput((DistributedFileSystem) fs, f,
overwrite, createParent, replication, blockSize, eventLoopGroup, channelClass);
overwrite, createParent, replication, blockSize, eventLoopGroup, channelClass, monitor);
}
final FSDataOutputStream out;
int bufferSize = fs.getConf().getInt(CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_KEY,

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@ -32,7 +32,7 @@ import java.nio.ByteBuffer;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentHashMap;
@ -45,7 +45,9 @@ import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.crypto.Encryptor;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.CancelOnClose;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.util.CancelableProgressable;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.hbase.util.RecoverLeaseFSUtils;
import org.apache.hadoop.hdfs.DFSClient;
import org.apache.hadoop.hdfs.DistributedFileSystem;
@ -68,6 +70,7 @@ import org.apache.hbase.thirdparty.io.netty.channel.Channel;
import org.apache.hbase.thirdparty.io.netty.channel.ChannelHandler.Sharable;
import org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext;
import org.apache.hbase.thirdparty.io.netty.channel.ChannelId;
import org.apache.hbase.thirdparty.io.netty.channel.ChannelOutboundInvoker;
import org.apache.hbase.thirdparty.io.netty.channel.SimpleChannelInboundHandler;
import org.apache.hbase.thirdparty.io.netty.handler.codec.protobuf.ProtobufVarint32FrameDecoder;
import org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleStateEvent;
@ -121,7 +124,7 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
private final Encryptor encryptor;
private final List<Channel> datanodeList;
private final Map<Channel, DatanodeInfo> datanodeInfoMap;
private final DataChecksum summer;
@ -137,17 +140,22 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
// should be backed by a thread safe collection
private final Set<ChannelId> unfinishedReplicas;
private final long packetDataLen;
private final long flushTimestamp;
private long lastAckTimestamp = -1;
public Callback(CompletableFuture<Long> future, long ackedLength,
Collection<Channel> replicas) {
final Collection<Channel> replicas, long packetDataLen) {
this.future = future;
this.ackedLength = ackedLength;
this.packetDataLen = packetDataLen;
this.flushTimestamp = EnvironmentEdgeManager.currentTime();
if (replicas.isEmpty()) {
this.unfinishedReplicas = Collections.emptySet();
} else {
this.unfinishedReplicas =
Collections.newSetFromMap(new ConcurrentHashMap<ChannelId, Boolean>(replicas.size()));
replicas.stream().map(c -> c.id()).forEachOrdered(unfinishedReplicas::add);
replicas.stream().map(Channel::id).forEachOrdered(unfinishedReplicas::add);
}
}
}
@ -177,6 +185,8 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
private volatile State state;
private final StreamSlowMonitor streamSlowMonitor;
// all lock-free to make it run faster
private void completed(Channel channel) {
for (Iterator<Callback> iter = waitingAckQueue.iterator(); iter.hasNext();) {
@ -184,6 +194,10 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
// if the current unfinished replicas does not contain us then it means that we have already
// acked this one, let's iterate to find the one we have not acked yet.
if (c.unfinishedReplicas.remove(channel.id())) {
long current = EnvironmentEdgeManager.currentTime();
streamSlowMonitor.checkProcessTimeAndSpeed(datanodeInfoMap.get(channel), c.packetDataLen,
current - c.flushTimestamp, c.lastAckTimestamp, c.unfinishedReplicas.size());
c.lastAckTimestamp = current;
if (c.unfinishedReplicas.isEmpty()) {
// we need to remove first before complete the future. It is possible that after we
// complete the future the upper layer will call close immediately before we remove the
@ -246,7 +260,7 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
}
break;
}
datanodeList.forEach(ch -> ch.close());
datanodeInfoMap.keySet().forEach(ChannelOutboundInvoker::close);
}
@Sharable
@ -314,7 +328,7 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
private void setupReceiver(int timeoutMs) {
AckHandler ackHandler = new AckHandler(timeoutMs);
for (Channel ch : datanodeList) {
for (Channel ch : datanodeInfoMap.keySet()) {
ch.pipeline().addLast(
new IdleStateHandler(timeoutMs, timeoutMs / 2, 0, TimeUnit.MILLISECONDS),
new ProtobufVarint32FrameDecoder(),
@ -325,8 +339,8 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
FanOutOneBlockAsyncDFSOutput(Configuration conf,DistributedFileSystem dfs,
DFSClient client, ClientProtocol namenode, String clientName, String src, long fileId,
LocatedBlock locatedBlock, Encryptor encryptor, List<Channel> datanodeList,
DataChecksum summer, ByteBufAllocator alloc) {
LocatedBlock locatedBlock, Encryptor encryptor, Map<Channel, DatanodeInfo> datanodeInfoMap,
DataChecksum summer, ByteBufAllocator alloc, StreamSlowMonitor streamSlowMonitor) {
this.conf = conf;
this.dfs = dfs;
this.client = client;
@ -337,13 +351,14 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
this.block = locatedBlock.getBlock();
this.locations = locatedBlock.getLocations();
this.encryptor = encryptor;
this.datanodeList = datanodeList;
this.datanodeInfoMap = datanodeInfoMap;
this.summer = summer;
this.maxDataLen = MAX_DATA_LEN - (MAX_DATA_LEN % summer.getBytesPerChecksum());
this.alloc = alloc;
this.buf = alloc.directBuffer(sendBufSizePRedictor.initialSize());
this.state = State.STREAMING;
setupReceiver(conf.getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY, READ_TIMEOUT));
this.streamSlowMonitor = streamSlowMonitor;
}
@Override
@ -395,7 +410,8 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
ByteBuf headerBuf = alloc.buffer(headerLen);
header.putInBuffer(headerBuf.nioBuffer(0, headerLen));
headerBuf.writerIndex(headerLen);
Callback c = new Callback(future, nextPacketOffsetInBlock + dataLen, datanodeList);
Callback c = new Callback(future, nextPacketOffsetInBlock + dataLen,
datanodeInfoMap.keySet(), dataLen);
waitingAckQueue.addLast(c);
// recheck again after we pushed the callback to queue
if (state != State.STREAMING && waitingAckQueue.peekFirst() == c) {
@ -404,7 +420,9 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
waitingAckQueue.removeFirst();
return;
}
datanodeList.forEach(ch -> {
// TODO: we should perhaps measure time taken per DN here;
// we could collect statistics per DN, and/or exclude bad nodes in createOutput.
datanodeInfoMap.keySet().forEach(ch -> {
ch.write(headerBuf.retainedDuplicate());
ch.write(checksumBuf.retainedDuplicate());
ch.writeAndFlush(dataBuf.retainedDuplicate());
@ -426,7 +444,7 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
long lengthAfterFlush = nextPacketOffsetInBlock + dataLen;
Callback lastFlush = waitingAckQueue.peekLast();
if (lastFlush != null) {
Callback c = new Callback(future, lengthAfterFlush, Collections.emptyList());
Callback c = new Callback(future, lengthAfterFlush, Collections.emptySet(), dataLen);
waitingAckQueue.addLast(c);
// recheck here if we have already removed the previous callback from the queue
if (waitingAckQueue.peekFirst() == c) {
@ -526,8 +544,8 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
header.putInBuffer(headerBuf.nioBuffer(0, headerLen));
headerBuf.writerIndex(headerLen);
CompletableFuture<Long> future = new CompletableFuture<>();
waitingAckQueue.add(new Callback(future, finalizedLength, datanodeList));
datanodeList.forEach(ch -> ch.writeAndFlush(headerBuf.retainedDuplicate()));
waitingAckQueue.add(new Callback(future, finalizedLength, datanodeInfoMap.keySet(), 0));
datanodeInfoMap.keySet().forEach(ch -> ch.writeAndFlush(headerBuf.retainedDuplicate()));
headerBuf.release();
try {
future.get();
@ -544,13 +562,14 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
* The close method when error occurred. Now we just call recoverFileLease.
*/
@Override
@SuppressWarnings("FutureReturnValueIgnored")
public void recoverAndClose(CancelableProgressable reporter) throws IOException {
if (buf != null) {
buf.release();
buf = null;
}
datanodeList.forEach(ch -> ch.close());
datanodeList.forEach(ch -> ch.closeFuture().awaitUninterruptibly());
datanodeInfoMap.keySet().forEach(ChannelOutboundInvoker::close);
datanodeInfoMap.keySet().forEach(ch -> ch.closeFuture().awaitUninterruptibly());
endFileLease(client, fileId);
RecoverLeaseFSUtils.recoverFileLease(dfs, new Path(src), conf,
reporter == null ? new CancelOnClose(client) : reporter);
@ -561,11 +580,12 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
* {@link #recoverAndClose(CancelableProgressable)} if this method throws an exception.
*/
@Override
@SuppressWarnings("FutureReturnValueIgnored")
public void close() throws IOException {
endBlock();
state = State.CLOSED;
datanodeList.forEach(ch -> ch.close());
datanodeList.forEach(ch -> ch.closeFuture().awaitUninterruptibly());
datanodeInfoMap.keySet().forEach(ChannelOutboundInvoker::close);
datanodeInfoMap.keySet().forEach(ch -> ch.closeFuture().awaitUninterruptibly());
block.setNumBytes(ackedBlockLength);
completeFile(client, namenode, src, clientName, block, fileId);
}

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@ -33,9 +33,12 @@ import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.HashSet;
import java.util.IdentityHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.crypto.CryptoProtocolVersion;
import org.apache.hadoop.crypto.Encryptor;
@ -47,6 +50,8 @@ import org.apache.hadoop.fs.StorageType;
import org.apache.hadoop.fs.UnresolvedLinkException;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hbase.client.ConnectionUtils;
import org.apache.hadoop.hbase.io.asyncfs.monitor.ExcludeDatanodeManager;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.util.CancelableProgressable;
import org.apache.hadoop.hdfs.DFSClient;
import org.apache.hadoop.hdfs.DFSOutputStream;
@ -128,8 +133,6 @@ public final class FanOutOneBlockAsyncDFSOutputHelper {
// Timeouts for communicating with DataNode for streaming writes/reads
public static final int READ_TIMEOUT = 60 * 1000;
private static final DatanodeInfo[] EMPTY_DN_ARRAY = new DatanodeInfo[0];
private interface LeaseManager {
void begin(DFSClient client, long inodeId);
@ -511,15 +514,20 @@ public final class FanOutOneBlockAsyncDFSOutputHelper {
private static FanOutOneBlockAsyncDFSOutput createOutput(DistributedFileSystem dfs, String src,
boolean overwrite, boolean createParent, short replication, long blockSize,
EventLoopGroup eventLoopGroup, Class<? extends Channel> channelClass) throws IOException {
EventLoopGroup eventLoopGroup, Class<? extends Channel> channelClass,
StreamSlowMonitor monitor) throws IOException {
Configuration conf = dfs.getConf();
DFSClient client = dfs.getClient();
String clientName = client.getClientName();
ClientProtocol namenode = client.getNamenode();
int createMaxRetries = conf.getInt(ASYNC_DFS_OUTPUT_CREATE_MAX_RETRIES,
DEFAULT_ASYNC_DFS_OUTPUT_CREATE_MAX_RETRIES);
DatanodeInfo[] excludesNodes = EMPTY_DN_ARRAY;
ExcludeDatanodeManager excludeDatanodeManager = monitor.getExcludeDatanodeManager();
Set<DatanodeInfo> toExcludeNodes =
new HashSet<>(excludeDatanodeManager.getExcludeDNs().keySet());
for (int retry = 0;; retry++) {
LOG.debug("When create output stream for {}, exclude list is {}, retry={}", src,
toExcludeNodes, retry);
HdfsFileStatus stat;
try {
stat = FILE_CREATOR.create(namenode, src,
@ -539,24 +547,26 @@ public final class FanOutOneBlockAsyncDFSOutputHelper {
List<Future<Channel>> futureList = null;
try {
DataChecksum summer = createChecksum(client);
locatedBlock = namenode.addBlock(src, client.getClientName(), null, excludesNodes,
stat.getFileId(), null, null);
List<Channel> datanodeList = new ArrayList<>();
locatedBlock = namenode.addBlock(src, client.getClientName(), null,
toExcludeNodes.toArray(new DatanodeInfo[0]), stat.getFileId(), null, null);
Map<Channel, DatanodeInfo> datanodes = new IdentityHashMap<>();
futureList = connectToDataNodes(conf, client, clientName, locatedBlock, 0L, 0L,
PIPELINE_SETUP_CREATE, summer, eventLoopGroup, channelClass);
for (int i = 0, n = futureList.size(); i < n; i++) {
DatanodeInfo datanodeInfo = locatedBlock.getLocations()[i];
try {
datanodeList.add(futureList.get(i).syncUninterruptibly().getNow());
datanodes.put(futureList.get(i).syncUninterruptibly().getNow(), datanodeInfo);
} catch (Exception e) {
// exclude the broken DN next time
excludesNodes = ArrayUtils.add(excludesNodes, locatedBlock.getLocations()[i]);
toExcludeNodes.add(datanodeInfo);
excludeDatanodeManager.tryAddExcludeDN(datanodeInfo, "connect error");
throw e;
}
}
Encryptor encryptor = createEncryptor(conf, stat, client);
FanOutOneBlockAsyncDFSOutput output =
new FanOutOneBlockAsyncDFSOutput(conf, dfs, client, namenode, clientName, src,
stat.getFileId(), locatedBlock, encryptor, datanodeList, summer, ALLOC);
stat.getFileId(), locatedBlock, encryptor, datanodes, summer, ALLOC, monitor);
succ = true;
return output;
} catch (RemoteException e) {
@ -607,14 +617,15 @@ public final class FanOutOneBlockAsyncDFSOutputHelper {
*/
public static FanOutOneBlockAsyncDFSOutput createOutput(DistributedFileSystem dfs, Path f,
boolean overwrite, boolean createParent, short replication, long blockSize,
EventLoopGroup eventLoopGroup, Class<? extends Channel> channelClass) throws IOException {
EventLoopGroup eventLoopGroup, Class<? extends Channel> channelClass,
final StreamSlowMonitor monitor) throws IOException {
return new FileSystemLinkResolver<FanOutOneBlockAsyncDFSOutput>() {
@Override
public FanOutOneBlockAsyncDFSOutput doCall(Path p)
throws IOException, UnresolvedLinkException {
return createOutput(dfs, p.toUri().getPath(), overwrite, createParent, replication,
blockSize, eventLoopGroup, channelClass);
blockSize, eventLoopGroup, channelClass, monitor);
}
@Override

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@ -0,0 +1,114 @@
/*
* 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.io.asyncfs.monitor;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.conf.ConfigurationObserver;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.apache.yetus.audience.InterfaceAudience;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hbase.thirdparty.com.google.common.cache.Cache;
import org.apache.hbase.thirdparty.com.google.common.cache.CacheBuilder;
/**
* The class to manage the excluded datanodes of the WALs on the regionserver.
*/
@InterfaceAudience.Private
public class ExcludeDatanodeManager implements ConfigurationObserver {
private static final Logger LOG = LoggerFactory.getLogger(ExcludeDatanodeManager.class);
/**
* Configure for the max count the excluded datanodes.
*/
public static final String WAL_MAX_EXCLUDE_SLOW_DATANODE_COUNT_KEY =
"hbase.regionserver.async.wal.max.exclude.datanode.count";
public static final int DEFAULT_WAL_MAX_EXCLUDE_SLOW_DATANODE_COUNT = 3;
/**
* Configure for the TTL time of the datanodes excluded
*/
public static final String WAL_EXCLUDE_DATANODE_TTL_KEY =
"hbase.regionserver.async.wal.exclude.datanode.info.ttl.hour";
public static final int DEFAULT_WAL_EXCLUDE_DATANODE_TTL = 6; // 6 hours
private volatile Cache<DatanodeInfo, Long> excludeDNsCache;
private final int maxExcludeDNCount;
private final Configuration conf;
// This is a map of providerId->StreamSlowMonitor
private final Map<String, StreamSlowMonitor> streamSlowMonitors =
new ConcurrentHashMap<>(1);
public ExcludeDatanodeManager(Configuration conf) {
this.conf = conf;
this.maxExcludeDNCount = conf.getInt(WAL_MAX_EXCLUDE_SLOW_DATANODE_COUNT_KEY,
DEFAULT_WAL_MAX_EXCLUDE_SLOW_DATANODE_COUNT);
this.excludeDNsCache = CacheBuilder.newBuilder()
.expireAfterWrite(this.conf.getLong(WAL_EXCLUDE_DATANODE_TTL_KEY,
DEFAULT_WAL_EXCLUDE_DATANODE_TTL), TimeUnit.HOURS)
.maximumSize(this.maxExcludeDNCount)
.build();
}
/**
* Try to add a datanode to the regionserver excluding cache
* @param datanodeInfo the datanode to be added to the excluded cache
* @param cause the cause that the datanode is hope to be excluded
* @return True if the datanode is added to the regionserver excluding cache, false otherwise
*/
public boolean tryAddExcludeDN(DatanodeInfo datanodeInfo, String cause) {
boolean alreadyMarkedSlow = getExcludeDNs().containsKey(datanodeInfo);
if (!alreadyMarkedSlow) {
excludeDNsCache.put(datanodeInfo, EnvironmentEdgeManager.currentTime());
LOG.info(
"Added datanode: {} to exclude cache by [{}] success, current excludeDNsCache size={}",
datanodeInfo, cause, excludeDNsCache.size());
return true;
}
LOG.debug("Try add datanode {} to exclude cache by [{}] failed, "
+ "current exclude DNs are {}", datanodeInfo, cause, getExcludeDNs().keySet());
return false;
}
public StreamSlowMonitor getStreamSlowMonitor(String name) {
String key = name == null || name.isEmpty() ? "defaultMonitorName" : name;
return streamSlowMonitors
.computeIfAbsent(key, k -> new StreamSlowMonitor(conf, key, this));
}
public Map<DatanodeInfo, Long> getExcludeDNs() {
return excludeDNsCache.asMap();
}
@Override
public void onConfigurationChange(Configuration conf) {
for (StreamSlowMonitor monitor : streamSlowMonitors.values()) {
monitor.onConfigurationChange(conf);
}
this.excludeDNsCache = CacheBuilder.newBuilder().expireAfterWrite(
this.conf.getLong(WAL_EXCLUDE_DATANODE_TTL_KEY, DEFAULT_WAL_EXCLUDE_DATANODE_TTL),
TimeUnit.HOURS).maximumSize(this.conf
.getInt(WAL_MAX_EXCLUDE_SLOW_DATANODE_COUNT_KEY, DEFAULT_WAL_MAX_EXCLUDE_SLOW_DATANODE_COUNT))
.build();
}
}

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@ -0,0 +1,217 @@
/*
* 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.io.asyncfs.monitor;
import static org.apache.hadoop.hbase.io.asyncfs.monitor.ExcludeDatanodeManager.DEFAULT_WAL_EXCLUDE_DATANODE_TTL;
import static org.apache.hadoop.hbase.io.asyncfs.monitor.ExcludeDatanodeManager.DEFAULT_WAL_MAX_EXCLUDE_SLOW_DATANODE_COUNT;
import static org.apache.hadoop.hbase.io.asyncfs.monitor.ExcludeDatanodeManager.WAL_EXCLUDE_DATANODE_TTL_KEY;
import static org.apache.hadoop.hbase.io.asyncfs.monitor.ExcludeDatanodeManager.WAL_MAX_EXCLUDE_SLOW_DATANODE_COUNT_KEY;
import java.util.Deque;
import java.util.concurrent.ConcurrentLinkedDeque;
import java.util.concurrent.TimeUnit;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.conf.ConfigurationObserver;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.apache.yetus.audience.InterfaceAudience;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hbase.thirdparty.com.google.common.cache.CacheBuilder;
import org.apache.hbase.thirdparty.com.google.common.cache.CacheLoader;
import org.apache.hbase.thirdparty.com.google.common.cache.LoadingCache;
/**
* Class for monitor the wal file flush performance.
* Each active wal file has a StreamSlowMonitor.
*/
@InterfaceAudience.Private
public class StreamSlowMonitor implements ConfigurationObserver {
private static final Logger LOG = LoggerFactory.getLogger(StreamSlowMonitor.class);
/**
* Configure for the min count for a datanode detected slow.
* If a datanode is detected slow times up to this count, then it will be added to the exclude
* datanode cache by {@link ExcludeDatanodeManager#tryAddExcludeDN(DatanodeInfo, String)}
* of this regionsever.
*/
private static final String WAL_SLOW_DETECT_MIN_COUNT_KEY =
"hbase.regionserver.async.wal.min.slow.detect.count";
private static final int DEFAULT_WAL_SLOW_DETECT_MIN_COUNT = 3;
/**
* Configure for the TTL of the data that a datanode detected slow.
*/
private static final String WAL_SLOW_DETECT_DATA_TTL_KEY =
"hbase.regionserver.async.wal.slow.detect.data.ttl.ms";
private static final long DEFAULT_WAL_SLOW_DETECT_DATA_TTL = 10 * 60 * 1000; // 10min in ms
/**
* Configure for the speed check of packet min length.
* For packets whose data length smaller than this value, check slow by processing time.
* While for packets whose data length larger than this value, check slow by flushing speed.
*/
private static final String DATANODE_PACKET_FLUSH_CHECK_SPEED_MIN_DATA_LENGTH_KEY =
"hbase.regionserver.async.wal.datanode.slow.check.speed.packet.data.length.min";
private static final long DEFAULT_DATANODE_PACKET_FLUSH_CHECK_SPEED_MIN_DATA_LENGTH =
64 * 1024; //64KB
/**
* Configure for the slow packet process time, a duration from send to ACK.
* The processing time check is for packets that data length smaller than
* {@link StreamSlowMonitor#DATANODE_PACKET_FLUSH_CHECK_SPEED_MIN_DATA_LENGTH_KEY}
*/
public static final String DATANODE_SLOW_PACKET_PROCESS_TIME_KEY =
"hbase.regionserver.async.wal.datanode.slow.packet.process.time.millis";
private static final long DEFAULT_DATANODE_SLOW_PACKET_PROCESS_TIME = 6000; // 6s in ms
/**
* Configure for the check of large packet(which is configured by
* {@link StreamSlowMonitor#DATANODE_PACKET_FLUSH_CHECK_SPEED_MIN_DATA_LENGTH_KEY}) flush speed.
* e.g. If the configured slow packet process time is smaller than 10s, then here 20KB/s means
* 64KB should be processed in less than 3.2s.
*/
private static final String DATANODE_SLOW_PACKET_FLUSH_MIN_SPEED_KEY =
"hbase.regionserver.async.wal.datanode.slow.packet.speed.min.kbs";
private static final double DEFAULT_DATANODE_SLOW_PACKET_FLUSH_MIN_SPEED = 20; // 20KB/s
private final String name;
// this is a map of datanodeInfo->queued slow PacketAckData
private final LoadingCache<DatanodeInfo, Deque<PacketAckData>> datanodeSlowDataQueue;
private final ExcludeDatanodeManager excludeDatanodeManager;
private int minSlowDetectCount;
private long slowDataTtl;
private long slowPacketAckMs;
private double minPacketFlushSpeedKBs;
private long minLengthForSpeedCheck;
public StreamSlowMonitor(Configuration conf, String name,
ExcludeDatanodeManager excludeDatanodeManager) {
setConf(conf);
this.name = name;
this.excludeDatanodeManager = excludeDatanodeManager;
this.datanodeSlowDataQueue = CacheBuilder.newBuilder()
.maximumSize(conf.getInt(WAL_MAX_EXCLUDE_SLOW_DATANODE_COUNT_KEY,
DEFAULT_WAL_MAX_EXCLUDE_SLOW_DATANODE_COUNT))
.expireAfterWrite(conf.getLong(WAL_EXCLUDE_DATANODE_TTL_KEY,
DEFAULT_WAL_EXCLUDE_DATANODE_TTL), TimeUnit.HOURS)
.build(new CacheLoader<DatanodeInfo, Deque<PacketAckData>>() {
@Override
public Deque<PacketAckData> load(DatanodeInfo key) throws Exception {
return new ConcurrentLinkedDeque<>();
}
});
LOG.info("New stream slow monitor {}", this.name);
}
public static StreamSlowMonitor create(Configuration conf, String name) {
return new StreamSlowMonitor(conf, name, new ExcludeDatanodeManager(conf));
}
/**
* Check if the packet process time shows that the relevant datanode is a slow node.
* @param datanodeInfo the datanode that processed the packet
* @param packetDataLen the data length of the packet (in bytes)
* @param processTimeMs the process time (in ms) of the packet on the datanode,
* @param lastAckTimestamp the last acked timestamp of the packet on another datanode
* @param unfinished if the packet is unfinished flushed to the datanode replicas
*/
public void checkProcessTimeAndSpeed(DatanodeInfo datanodeInfo, long packetDataLen,
long processTimeMs, long lastAckTimestamp, int unfinished) {
long current = EnvironmentEdgeManager.currentTime();
// Here are two conditions used to determine whether a datanode is slow,
// 1. For small packet, we just have a simple time limit, without considering
// the size of the packet.
// 2. For large packet, we will calculate the speed, and check if the speed is too slow.
boolean slow = (packetDataLen <= minLengthForSpeedCheck && processTimeMs > slowPacketAckMs) || (
packetDataLen > minLengthForSpeedCheck
&& (double) packetDataLen / processTimeMs < minPacketFlushSpeedKBs);
if (slow) {
// Check if large diff ack timestamp between replicas,
// should try to avoid misjudgments that caused by GC STW.
if ((lastAckTimestamp > 0 && current - lastAckTimestamp > slowPacketAckMs / 2) || (
lastAckTimestamp <= 0 && unfinished == 0)) {
LOG.info("Slow datanode: {}, data length={}, duration={}ms, unfinishedReplicas={}, "
+ "lastAckTimestamp={}, monitor name: {}", datanodeInfo, packetDataLen, processTimeMs,
unfinished, lastAckTimestamp, this.name);
if (addSlowAckData(datanodeInfo, packetDataLen, processTimeMs)) {
excludeDatanodeManager.tryAddExcludeDN(datanodeInfo, "slow packet ack");
}
}
}
}
@Override
public void onConfigurationChange(Configuration conf) {
setConf(conf);
}
private boolean addSlowAckData(DatanodeInfo datanodeInfo, long dataLength, long processTime) {
Deque<PacketAckData> slowDNQueue = datanodeSlowDataQueue.getUnchecked(datanodeInfo);
long current = EnvironmentEdgeManager.currentTime();
while (!slowDNQueue.isEmpty() && (current - slowDNQueue.getFirst().getTimestamp() > slowDataTtl
|| slowDNQueue.size() >= minSlowDetectCount)) {
slowDNQueue.removeFirst();
}
slowDNQueue.addLast(new PacketAckData(dataLength, processTime));
return slowDNQueue.size() >= minSlowDetectCount;
}
private void setConf(Configuration conf) {
this.minSlowDetectCount = conf.getInt(WAL_SLOW_DETECT_MIN_COUNT_KEY,
DEFAULT_WAL_SLOW_DETECT_MIN_COUNT);
this.slowDataTtl = conf.getLong(WAL_SLOW_DETECT_DATA_TTL_KEY, DEFAULT_WAL_SLOW_DETECT_DATA_TTL);
this.slowPacketAckMs = conf.getLong(DATANODE_SLOW_PACKET_PROCESS_TIME_KEY,
DEFAULT_DATANODE_SLOW_PACKET_PROCESS_TIME);
this.minLengthForSpeedCheck = conf.getLong(
DATANODE_PACKET_FLUSH_CHECK_SPEED_MIN_DATA_LENGTH_KEY,
DEFAULT_DATANODE_PACKET_FLUSH_CHECK_SPEED_MIN_DATA_LENGTH);
this.minPacketFlushSpeedKBs = conf.getDouble(DATANODE_SLOW_PACKET_FLUSH_MIN_SPEED_KEY,
DEFAULT_DATANODE_SLOW_PACKET_FLUSH_MIN_SPEED);
}
public ExcludeDatanodeManager getExcludeDatanodeManager() {
return excludeDatanodeManager;
}
private static class PacketAckData {
private final long dataLength;
private final long processTime;
private final long timestamp;
public PacketAckData(long dataLength, long processTime) {
this.dataLength = dataLength;
this.processTime = processTime;
this.timestamp = EnvironmentEdgeManager.currentTime();
}
public long getDataLength() {
return dataLength;
}
public long getProcessTime() {
return processTime;
}
public long getTimestamp() {
return timestamp;
}
}
}

View File

@ -0,0 +1,87 @@
/*
* 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.io.asyncfs;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.io.asyncfs.monitor.ExcludeDatanodeManager;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@Category({ SmallTests.class })
public class TestExcludeDatanodeManager {
@ClassRule
public static final HBaseClassTestRule CLASS_RULE =
HBaseClassTestRule.forClass(TestExcludeDatanodeManager.class);
@Test
public void testExcludeSlowDNBySpeed() {
Configuration conf = HBaseConfiguration.create();
ExcludeDatanodeManager excludeDatanodeManager = new ExcludeDatanodeManager(conf);
StreamSlowMonitor streamSlowDNsMonitor =
excludeDatanodeManager.getStreamSlowMonitor("testMonitor");
assertEquals(0, excludeDatanodeManager.getExcludeDNs().size());
DatanodeInfo datanodeInfo =
new DatanodeInfo.DatanodeInfoBuilder().setIpAddr("0.0.0.0").setHostName("hostname1")
.setDatanodeUuid("uuid1").setXferPort(111).setInfoPort(222).setInfoSecurePort(333)
.setIpcPort(444).setNetworkLocation("location1").build();
streamSlowDNsMonitor
.checkProcessTimeAndSpeed(datanodeInfo, 100000, 5100,
System.currentTimeMillis() - 5100, 0);
streamSlowDNsMonitor
.checkProcessTimeAndSpeed(datanodeInfo, 100000, 5100,
System.currentTimeMillis() - 5100, 0);
streamSlowDNsMonitor
.checkProcessTimeAndSpeed(datanodeInfo, 100000, 5100,
System.currentTimeMillis() - 5100, 0);
assertEquals(1, excludeDatanodeManager.getExcludeDNs().size());
assertTrue(excludeDatanodeManager.getExcludeDNs().containsKey(datanodeInfo));
}
@Test
public void testExcludeSlowDNByProcessTime() {
Configuration conf = HBaseConfiguration.create();
ExcludeDatanodeManager excludeDatanodeManager = new ExcludeDatanodeManager(conf);
StreamSlowMonitor streamSlowDNsMonitor =
excludeDatanodeManager.getStreamSlowMonitor("testMonitor");
assertEquals(0, excludeDatanodeManager.getExcludeDNs().size());
DatanodeInfo datanodeInfo =
new DatanodeInfo.DatanodeInfoBuilder().setIpAddr("0.0.0.0").setHostName("hostname1")
.setDatanodeUuid("uuid1").setXferPort(111).setInfoPort(222).setInfoSecurePort(333)
.setIpcPort(444).setNetworkLocation("location1").build();
streamSlowDNsMonitor
.checkProcessTimeAndSpeed(datanodeInfo, 5000, 7000,
System.currentTimeMillis() - 7000, 0);
streamSlowDNsMonitor
.checkProcessTimeAndSpeed(datanodeInfo, 5000, 7000,
System.currentTimeMillis() - 7000, 0);
streamSlowDNsMonitor
.checkProcessTimeAndSpeed(datanodeInfo, 5000, 7000,
System.currentTimeMillis() - 7000, 0);
assertEquals(1, excludeDatanodeManager.getExcludeDNs().size());
assertTrue(excludeDatanodeManager.getExcludeDNs().containsKey(datanodeInfo));
}
}

View File

@ -39,6 +39,9 @@ import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.io.asyncfs.monitor.ExcludeDatanodeManager;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.testclassification.MiscTests;
import org.apache.hadoop.hdfs.DistributedFileSystem;
@ -78,6 +81,8 @@ public class TestFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
private static int READ_TIMEOUT_MS = 2000;
private static StreamSlowMonitor MONITOR;
@Rule
public TestName name = new TestName();
@ -88,6 +93,7 @@ public class TestFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
FS = CLUSTER.getFileSystem();
EVENT_LOOP_GROUP = new NioEventLoopGroup();
CHANNEL_CLASS = NioSocketChannel.class;
MONITOR = StreamSlowMonitor.create(UTIL.getConfiguration(), "testMonitor");
}
@AfterClass
@ -133,7 +139,7 @@ public class TestFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
Path f = new Path("/" + name.getMethodName());
EventLoop eventLoop = EVENT_LOOP_GROUP.next();
FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,
false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);
false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS, MONITOR);
writeAndVerify(FS, f, out);
}
@ -142,7 +148,7 @@ public class TestFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
Path f = new Path("/" + name.getMethodName());
EventLoop eventLoop = EVENT_LOOP_GROUP.next();
FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,
false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);
false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS, MONITOR);
byte[] b = new byte[10];
ThreadLocalRandom.current().nextBytes(b);
out.write(b, 0, b.length);
@ -171,7 +177,7 @@ public class TestFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
Path f = new Path("/" + name.getMethodName());
EventLoop eventLoop = EVENT_LOOP_GROUP.next();
FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,
false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);
false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS, MONITOR);
Thread.sleep(READ_TIMEOUT_MS * 2);
// the connection to datanode should still alive.
writeAndVerify(FS, f, out);
@ -186,7 +192,7 @@ public class TestFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
EventLoop eventLoop = EVENT_LOOP_GROUP.next();
try {
FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true, false, (short) 3,
FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);
FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS, MONITOR);
fail("should fail with parent does not exist");
} catch (RemoteException e) {
LOG.info("expected exception caught", e);
@ -209,7 +215,7 @@ public class TestFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
Path f = new Path("/test");
EventLoop eventLoop = EVENT_LOOP_GROUP.next();
try (FanOutOneBlockAsyncDFSOutput output = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS,
f, true, false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS)) {
f, true, false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS, MONITOR)) {
// should exclude the dead dn when retry so here we only have 2 DNs in pipeline
assertEquals(2, output.getPipeline().length);
} finally {
@ -217,12 +223,42 @@ public class TestFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
}
}
@Test
public void testExcludeFailedConnectToDatanode()
throws IOException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException,
InvocationTargetException, InterruptedException, NoSuchFieldException {
Field xceiverServerDaemonField = DataNode.class.getDeclaredField("dataXceiverServer");
xceiverServerDaemonField.setAccessible(true);
Class<?> xceiverServerClass =
Class.forName("org.apache.hadoop.hdfs.server.datanode.DataXceiverServer");
Method numPeersMethod = xceiverServerClass.getDeclaredMethod("getNumPeers");
numPeersMethod.setAccessible(true);
// make one datanode broken
DataNodeProperties dnProp = CLUSTER.stopDataNode(0);
Path f = new Path("/test");
EventLoop eventLoop = EVENT_LOOP_GROUP.next();
ExcludeDatanodeManager excludeDatanodeManager =
new ExcludeDatanodeManager(HBaseConfiguration.create());
StreamSlowMonitor streamSlowDNsMonitor =
excludeDatanodeManager.getStreamSlowMonitor("testMonitor");
assertEquals(0, excludeDatanodeManager.getExcludeDNs().size());
try (FanOutOneBlockAsyncDFSOutput output = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS,
f, true, false, (short) 3, FS.getDefaultBlockSize(), eventLoop,
CHANNEL_CLASS, streamSlowDNsMonitor)) {
// should exclude the dead dn when retry so here we only have 2 DNs in pipeline
assertEquals(2, output.getPipeline().length);
assertEquals(1, excludeDatanodeManager.getExcludeDNs().size());
} finally {
CLUSTER.restartDataNode(dnProp);
}
}
@Test
public void testWriteLargeChunk() throws IOException, InterruptedException, ExecutionException {
Path f = new Path("/" + name.getMethodName());
EventLoop eventLoop = EVENT_LOOP_GROUP.next();
FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,
false, (short) 3, 1024 * 1024 * 1024, eventLoop, CHANNEL_CLASS);
false, (short) 3, 1024 * 1024 * 1024, eventLoop, CHANNEL_CLASS, MONITOR);
byte[] b = new byte[50 * 1024 * 1024];
ThreadLocalRandom.current().nextBytes(b);
out.write(b);

View File

@ -23,6 +23,7 @@ import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HBaseCommonTestingUtility;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.testclassification.MiscTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.util.CommonFSUtils;
@ -49,10 +50,13 @@ public class TestLocalAsyncOutput {
private static final HBaseCommonTestingUtility TEST_UTIL = new HBaseCommonTestingUtility();
private static StreamSlowMonitor MONITOR;
@AfterClass
public static void tearDownAfterClass() throws IOException {
TEST_UTIL.cleanupTestDir();
GROUP.shutdownGracefully();
MONITOR = StreamSlowMonitor.create(TEST_UTIL.getConfiguration(), "testMonitor");
}
@Test
@ -61,7 +65,7 @@ public class TestLocalAsyncOutput {
Path f = new Path(TEST_UTIL.getDataTestDir(), "test");
FileSystem fs = FileSystem.getLocal(TEST_UTIL.getConfiguration());
AsyncFSOutput out = AsyncFSOutputHelper.createOutput(fs, f, false, true,
fs.getDefaultReplication(f), fs.getDefaultBlockSize(f), GROUP, CHANNEL_CLASS);
fs.getDefaultReplication(f), fs.getDefaultBlockSize(f), GROUP, CHANNEL_CLASS, MONITOR);
TestFanOutOneBlockAsyncDFSOutput.writeAndVerify(fs, f, out);
}
}

View File

@ -21,7 +21,6 @@ import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CLIENT_SOCKET_TIMEOUT_KEY
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATA_ENCRYPTION_ALGORITHM_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_ENCRYPT_DATA_TRANSFER_CIPHER_SUITES_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_ENCRYPT_DATA_TRANSFER_KEY;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Method;
@ -40,6 +39,7 @@ import org.apache.hadoop.crypto.key.KeyProvider;
import org.apache.hadoop.crypto.key.KeyProviderFactory;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.security.HBaseKerberosUtils;
import org.apache.hadoop.hbase.security.SecurityConstants;
import org.apache.hadoop.hbase.testclassification.LargeTests;
@ -62,7 +62,6 @@ import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hbase.thirdparty.io.netty.channel.Channel;
import org.apache.hbase.thirdparty.io.netty.channel.EventLoop;
import org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup;
@ -102,6 +101,8 @@ public class TestSaslFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
private static String TEST_KEY_NAME = "test_key";
private static StreamSlowMonitor MONITOR;
@Rule
public TestName name = new TestName();
@ -187,6 +188,7 @@ public class TestSaslFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
HBaseKerberosUtils.setSecuredConfiguration(UTIL.getConfiguration(),
PRINCIPAL + "@" + KDC.getRealm(), HTTP_PRINCIPAL + "@" + KDC.getRealm());
HBaseKerberosUtils.setSSLConfiguration(UTIL, TestSaslFanOutOneBlockAsyncDFSOutput.class);
MONITOR = StreamSlowMonitor.create(UTIL.getConfiguration(), "testMonitor");
}
@AfterClass
@ -254,7 +256,7 @@ public class TestSaslFanOutOneBlockAsyncDFSOutput extends AsyncFSTestBase {
private void test(Path file) throws IOException, InterruptedException, ExecutionException {
EventLoop eventLoop = EVENT_LOOP_GROUP.next();
FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, file,
true, false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);
true, false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS, MONITOR);
TestFanOutOneBlockAsyncDFSOutput.writeAndVerify(FS, file, out);
}

View File

@ -32,6 +32,7 @@ import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseInterfaceAudience;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.codec.Codec;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.io.compress.Compression;
import org.apache.hadoop.hbase.io.crypto.Cipher;
import org.apache.hadoop.hbase.io.crypto.Encryption;
@ -47,7 +48,6 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;
import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.WALHeader;
import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.WALTrailer;
@ -169,7 +169,8 @@ public abstract class AbstractProtobufLogWriter {
}
public void init(FileSystem fs, Path path, Configuration conf, boolean overwritable,
long blocksize) throws IOException, StreamLacksCapabilityException {
long blocksize, StreamSlowMonitor monitor) throws IOException,
StreamLacksCapabilityException {
this.conf = conf;
boolean doCompress = initializeCompressionContext(conf, path);
this.trailerWarnSize = conf.getInt(WAL_TRAILER_WARN_SIZE, DEFAULT_WAL_TRAILER_WARN_SIZE);
@ -177,7 +178,7 @@ public abstract class AbstractProtobufLogWriter {
short replication = (short) conf.getInt("hbase.regionserver.hlog.replication",
CommonFSUtils.getDefaultReplication(fs, path));
initOutput(fs, path, overwritable, bufferSize, replication, blocksize);
initOutput(fs, path, overwritable, bufferSize, replication, blocksize, monitor);
boolean doTagCompress = doCompress &&
conf.getBoolean(CompressionContext.ENABLE_WAL_TAGS_COMPRESSION, true);
@ -266,7 +267,8 @@ public abstract class AbstractProtobufLogWriter {
}
protected abstract void initOutput(FileSystem fs, Path path, boolean overwritable, int bufferSize,
short replication, long blockSize) throws IOException, StreamLacksCapabilityException;
short replication, long blockSize, StreamSlowMonitor monitor)
throws IOException, StreamLacksCapabilityException;
/**
* return the file length after written.

View File

@ -50,6 +50,7 @@ import org.apache.hadoop.hbase.Abortable;
import org.apache.hadoop.hbase.HBaseInterfaceAudience;
import org.apache.hadoop.hbase.client.RegionInfo;
import org.apache.hadoop.hbase.io.asyncfs.AsyncFSOutput;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.wal.AsyncFSWALProvider;
import org.apache.hadoop.hbase.wal.WALEdit;
import org.apache.hadoop.hbase.wal.WALKeyImpl;
@ -198,22 +199,26 @@ public class AsyncFSWAL extends AbstractFSWAL<AsyncWriter> {
private final int waitOnShutdownInSeconds;
private final StreamSlowMonitor streamSlowMonitor;
public AsyncFSWAL(FileSystem fs, Path rootDir, String logDir, String archiveDir,
Configuration conf, List<WALActionsListener> listeners, boolean failIfWALExists,
String prefix, String suffix, EventLoopGroup eventLoopGroup,
Class<? extends Channel> channelClass) throws FailedLogCloseException, IOException {
this(fs, null, rootDir, logDir, archiveDir, conf, listeners, failIfWALExists, prefix, suffix,
eventLoopGroup, channelClass);
eventLoopGroup, channelClass, StreamSlowMonitor.create(conf, "monitorForSuffix"));
}
public AsyncFSWAL(FileSystem fs, Abortable abortable, Path rootDir, String logDir,
String archiveDir, Configuration conf, List<WALActionsListener> listeners,
boolean failIfWALExists, String prefix, String suffix, EventLoopGroup eventLoopGroup,
Class<? extends Channel> channelClass) throws FailedLogCloseException, IOException {
Class<? extends Channel> channelClass, StreamSlowMonitor monitor)
throws FailedLogCloseException, IOException {
super(fs, abortable, rootDir, logDir, archiveDir, conf, listeners, failIfWALExists, prefix,
suffix);
this.eventLoopGroup = eventLoopGroup;
this.channelClass = channelClass;
this.streamSlowMonitor = monitor;
Supplier<Boolean> hasConsumerTask;
if (conf.getBoolean(ASYNC_WAL_USE_SHARED_EVENT_LOOP, DEFAULT_ASYNC_WAL_USE_SHARED_EVENT_LOOP)) {
this.consumeExecutor = eventLoopGroup.next();
@ -655,8 +660,8 @@ public class AsyncFSWAL extends AbstractFSWAL<AsyncWriter> {
@Override
protected AsyncWriter createWriterInstance(Path path) throws IOException {
return AsyncFSWALProvider.createAsyncWriter(conf, fs, path, false,
this.blocksize, eventLoopGroup, channelClass);
return AsyncFSWALProvider.createAsyncWriter(conf, fs, path, false, this.blocksize,
eventLoopGroup, channelClass, streamSlowMonitor);
}
private void waitForSafePoint() {

View File

@ -32,6 +32,7 @@ import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.io.ByteBufferWriter;
import org.apache.hadoop.hbase.io.asyncfs.AsyncFSOutput;
import org.apache.hadoop.hbase.io.asyncfs.AsyncFSOutputHelper;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.util.CommonFSUtils.StreamLacksCapabilityException;
import org.apache.hadoop.hbase.wal.AsyncFSWALProvider;
import org.apache.hadoop.hbase.wal.WAL.Entry;
@ -176,9 +177,10 @@ public class AsyncProtobufLogWriter extends AbstractProtobufLogWriter
@Override
protected void initOutput(FileSystem fs, Path path, boolean overwritable, int bufferSize,
short replication, long blockSize) throws IOException, StreamLacksCapabilityException {
short replication, long blockSize, StreamSlowMonitor monitor) throws IOException,
StreamLacksCapabilityException {
this.output = AsyncFSOutputHelper.createOutput(fs, path, overwritable, false, replication,
blockSize, eventLoopGroup, channelClass);
blockSize, eventLoopGroup, channelClass, monitor);
this.asyncOutputWrapper = new OutputStreamWrapper(output);
}

View File

@ -20,12 +20,12 @@ package org.apache.hadoop.hbase.regionserver.wal;
import java.io.IOException;
import java.io.OutputStream;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.StreamCapabilities;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.util.AtomicUtils;
import org.apache.hadoop.hbase.util.CommonFSUtils;
import org.apache.hadoop.hbase.util.CommonFSUtils.StreamLacksCapabilityException;
@ -104,7 +104,8 @@ public class ProtobufLogWriter extends AbstractProtobufLogWriter
@Override
protected void initOutput(FileSystem fs, Path path, boolean overwritable, int bufferSize,
short replication, long blockSize) throws IOException, StreamLacksCapabilityException {
short replication, long blockSize, StreamSlowMonitor monitor) throws IOException,
StreamLacksCapabilityException {
this.output = CommonFSUtils.createForWal(fs, path, overwritable, bufferSize, replication,
blockSize, false);
if (fs.getConf().getBoolean(CommonFSUtils.UNSAFE_STREAM_CAPABILITY_ENFORCE, true)) {

View File

@ -25,6 +25,7 @@ import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutput;
import org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper;
import org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputSaslHelper;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.regionserver.wal.AsyncFSWAL;
import org.apache.hadoop.hbase.regionserver.wal.AsyncProtobufLogWriter;
import org.apache.hadoop.hbase.regionserver.wal.WALUtil;
@ -60,8 +61,8 @@ public class AsyncFSWALProvider extends AbstractFSWALProvider<AsyncFSWAL> {
* @throws StreamLacksCapabilityException if the given FileSystem can't provide streams that
* meet the needs of the given Writer implementation.
*/
void init(FileSystem fs, Path path, Configuration c, boolean overwritable, long blocksize)
throws IOException, CommonFSUtils.StreamLacksCapabilityException;
void init(FileSystem fs, Path path, Configuration c, boolean overwritable, long blocksize,
StreamSlowMonitor monitor) throws IOException, CommonFSUtils.StreamLacksCapabilityException;
}
private EventLoopGroup eventLoopGroup;
@ -70,10 +71,10 @@ public class AsyncFSWALProvider extends AbstractFSWALProvider<AsyncFSWAL> {
@Override
protected AsyncFSWAL createWAL() throws IOException {
return new AsyncFSWAL(CommonFSUtils.getWALFileSystem(conf), this.abortable,
CommonFSUtils.getWALRootDir(conf), getWALDirectoryName(factory.factoryId),
getWALArchiveDirectoryName(conf, factory.factoryId), conf, listeners, true, logPrefix,
META_WAL_PROVIDER_ID.equals(providerId) ? META_WAL_PROVIDER_ID : null, eventLoopGroup,
channelClass);
CommonFSUtils.getWALRootDir(conf), getWALDirectoryName(factory.factoryId),
getWALArchiveDirectoryName(conf, factory.factoryId), conf, listeners, true, logPrefix,
META_WAL_PROVIDER_ID.equals(providerId) ? META_WAL_PROVIDER_ID : null, eventLoopGroup,
channelClass, factory.getExcludeDatanodeManager().getStreamSlowMonitor(providerId));
}
@Override
@ -97,7 +98,7 @@ public class AsyncFSWALProvider extends AbstractFSWALProvider<AsyncFSWAL> {
boolean overwritable, EventLoopGroup eventLoopGroup,
Class<? extends Channel> channelClass) throws IOException {
return createAsyncWriter(conf, fs, path, overwritable, WALUtil.getWALBlockSize(conf, fs, path),
eventLoopGroup, channelClass);
eventLoopGroup, channelClass, StreamSlowMonitor.create(conf, path.getName()));
}
/**
@ -105,14 +106,14 @@ public class AsyncFSWALProvider extends AbstractFSWALProvider<AsyncFSWAL> {
*/
public static AsyncWriter createAsyncWriter(Configuration conf, FileSystem fs, Path path,
boolean overwritable, long blocksize, EventLoopGroup eventLoopGroup,
Class<? extends Channel> channelClass) throws IOException {
Class<? extends Channel> channelClass, StreamSlowMonitor monitor) throws IOException {
// Configuration already does caching for the Class lookup.
Class<? extends AsyncWriter> logWriterClass = conf.getClass(
WRITER_IMPL, AsyncProtobufLogWriter.class, AsyncWriter.class);
try {
AsyncWriter writer = logWriterClass.getConstructor(EventLoopGroup.class, Class.class)
.newInstance(eventLoopGroup, channelClass);
writer.init(fs, path, conf, overwritable, blocksize);
writer.init(fs, path, conf, overwritable, blocksize, monitor);
return writer;
} catch (Exception e) {
if (e instanceof CommonFSUtils.StreamLacksCapabilityException) {

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@ -22,6 +22,7 @@ import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.regionserver.wal.FSHLog;
import org.apache.hadoop.hbase.regionserver.wal.ProtobufLogWriter;
import org.apache.hadoop.hbase.regionserver.wal.WALUtil;
@ -48,8 +49,8 @@ public class FSHLogProvider extends AbstractFSWALProvider<FSHLog> {
* @throws StreamLacksCapabilityException if the given FileSystem can't provide streams that
* meet the needs of the given Writer implementation.
*/
void init(FileSystem fs, Path path, Configuration c, boolean overwritable, long blocksize)
throws IOException, CommonFSUtils.StreamLacksCapabilityException;
void init(FileSystem fs, Path path, Configuration c, boolean overwritable, long blocksize,
StreamSlowMonitor monitor) throws IOException, CommonFSUtils.StreamLacksCapabilityException;
}
/**
@ -76,7 +77,8 @@ public class FSHLogProvider extends AbstractFSWALProvider<FSHLog> {
try {
writer = logWriterClass.getDeclaredConstructor().newInstance();
FileSystem rootFs = FileSystem.get(path.toUri(), conf);
writer.init(rootFs, path, conf, overwritable, blocksize);
writer.init(rootFs, path, conf, overwritable, blocksize,
StreamSlowMonitor.create(conf, path.getName()));
return writer;
} catch (Exception e) {
if (e instanceof CommonFSUtils.StreamLacksCapabilityException) {

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@ -21,12 +21,12 @@ import java.io.IOException;
import java.io.InterruptedIOException;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.Abortable;
import org.apache.hadoop.hbase.client.RegionInfo;
import org.apache.hadoop.hbase.io.asyncfs.monitor.ExcludeDatanodeManager;
import org.apache.hadoop.hbase.regionserver.wal.MetricsWAL;
import org.apache.hadoop.hbase.regionserver.wal.ProtobufLogReader;
import org.apache.hadoop.hbase.util.CancelableProgressable;
@ -105,6 +105,8 @@ public class WALFactory {
private final Configuration conf;
private final ExcludeDatanodeManager excludeDatanodeManager;
// Used for the singleton WALFactory, see below.
private WALFactory(Configuration conf) {
// this code is duplicated here so we can keep our members final.
@ -121,6 +123,7 @@ public class WALFactory {
provider = null;
factoryId = SINGLETON_ID;
this.abortable = null;
this.excludeDatanodeManager = new ExcludeDatanodeManager(conf);
}
Providers getDefaultProvider() {
@ -198,6 +201,7 @@ public class WALFactory {
AbstractFSWALProvider.Reader.class);
this.conf = conf;
this.factoryId = factoryId;
this.excludeDatanodeManager = new ExcludeDatanodeManager(conf);
this.abortable = abortable;
// end required early initialization
if (conf.getBoolean(WAL_ENABLED, true)) {
@ -499,4 +503,8 @@ public class WALFactory {
public final WALProvider getMetaWALProvider() {
return this.metaProvider.get();
}
public ExcludeDatanodeManager getExcludeDatanodeManager() {
return excludeDatanodeManager;
}
}

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@ -67,6 +67,9 @@ import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.client.ResultScanner;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.client.TableDescriptor;
import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.monitoring.MonitoredTask;
import org.apache.hadoop.hbase.regionserver.DefaultStoreEngine;
import org.apache.hadoop.hbase.regionserver.DefaultStoreFlusher;
@ -1233,7 +1236,8 @@ public abstract class AbstractTestWALReplay {
StreamLacksCapabilityException {
fs.mkdirs(file.getParent());
ProtobufLogWriter writer = new ProtobufLogWriter();
writer.init(fs, file, conf, true, WALUtil.getWALBlockSize(conf, fs, file));
writer.init(fs, file, conf, true, WALUtil.getWALBlockSize(conf, fs, file),
StreamSlowMonitor.create(conf, "testMonitor"));
for (FSWALEntry entry : entries) {
writer.append(entry);
}

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@ -36,6 +36,7 @@ import org.apache.hadoop.hbase.Abortable;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.client.RegionInfo;
// imports for things that haven't moved from regionserver.wal yet.
import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;
import org.apache.hadoop.hbase.regionserver.wal.FSHLog;
import org.apache.hadoop.hbase.regionserver.wal.ProtobufLogWriter;
import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;
@ -214,7 +215,8 @@ public class IOTestProvider implements WALProvider {
LOG.info("creating new writer instance.");
final ProtobufLogWriter writer = new IOTestWriter();
try {
writer.init(fs, path, conf, false, this.blocksize);
writer.init(fs, path, conf, false, this.blocksize,
StreamSlowMonitor.create(conf, path.getName()));
} catch (CommonFSUtils.StreamLacksCapabilityException exception) {
throw new IOException("Can't create writer instance because underlying FileSystem " +
"doesn't support needed stream capabilities.", exception);
@ -242,7 +244,8 @@ public class IOTestProvider implements WALProvider {
@Override
public void init(FileSystem fs, Path path, Configuration conf, boolean overwritable,
long blocksize) throws IOException, CommonFSUtils.StreamLacksCapabilityException {
long blocksize, StreamSlowMonitor monitor) throws IOException,
CommonFSUtils.StreamLacksCapabilityException {
Collection<String> operations = conf.getStringCollection(ALLOWED_OPERATIONS);
if (operations.isEmpty() || operations.contains(AllowedOperations.all.name())) {
doAppends = doSyncs = true;
@ -254,7 +257,7 @@ public class IOTestProvider implements WALProvider {
}
LOG.info("IOTestWriter initialized with appends " + (doAppends ? "enabled" : "disabled") +
" and syncs " + (doSyncs ? "enabled" : "disabled"));
super.init(fs, path, conf, overwritable, blocksize);
super.init(fs, path, conf, overwritable, blocksize, monitor);
}
@Override