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HDFS-5074. Allow starting up from an fsimage checkpoint in the middle of a segment. Contributed by Todd Lipcon.

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1550016 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2013-12-11 01:32:22 +00:00
parent 87734ec939
commit 512a18a8d9
31 changed files with 263 additions and 184 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -642,6 +642,9 @@ Release 2.4.0 - UNRELEASED
HDFS-5533. Symlink delete/create should be treated as DELETE/CREATE in snapshot diff
report. (Binglin Chang via jing9)
HDFS-5074. Allow starting up from an fsimage checkpoint in the middle of a
segment. (Todd Lipcon via atm)
Release 2.3.0 - UNRELEASED
INCOMPATIBLE CHANGES

7
hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/main/java/org/apache/hadoop/contrib/bkjournal/BookKeeperJournalManager.java
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@ -500,14 +500,9 @@ public void finalizeLogSegment(long firstTxId, long lastTxId)
}
}
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxId, boolean inProgressOk) throws IOException {
selectInputStreams(streams, fromTxId, inProgressOk, true);
}
@Override
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxId, boolean inProgressOk, boolean forReading)
long fromTxId, boolean inProgressOk)
throws IOException {
List<EditLogLedgerMetadata> currentLedgerList = getLedgerList(fromTxId,
inProgressOk);

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/client/AsyncLogger.java
View File

@ -109,7 +109,7 @@ public ListenableFuture<Void> finalizeLogSegment(
* Fetch the list of edit logs available on the remote node.
*/
public ListenableFuture<RemoteEditLogManifest> getEditLogManifest(
long fromTxnId, boolean forReading, boolean inProgressOk);
long fromTxnId, boolean inProgressOk);
/**
* Prepare recovery. See the HDFS-3077 design document for details.

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/client/AsyncLoggerSet.java
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@ -261,13 +261,13 @@ public QuorumCall<AsyncLogger, Void> sendEdits(
}
public QuorumCall<AsyncLogger, RemoteEditLogManifest> getEditLogManifest(
long fromTxnId, boolean forReading, boolean inProgressOk) {
long fromTxnId, boolean inProgressOk) {
Map<AsyncLogger,
ListenableFuture<RemoteEditLogManifest>> calls
= Maps.newHashMap();
for (AsyncLogger logger : loggers) {
ListenableFuture<RemoteEditLogManifest> future =
logger.getEditLogManifest(fromTxnId, forReading, inProgressOk);
logger.getEditLogManifest(fromTxnId, inProgressOk);
calls.put(logger, future);
}
return QuorumCall.create(calls);

6
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/client/IPCLoggerChannel.java
View File

@ -181,6 +181,7 @@ public synchronized void setCommittedTxId(long txid) {
@Override
public void close() {
QuorumJournalManager.LOG.info("Closing", new Exception());
// No more tasks may be submitted after this point.
executor.shutdown();
if (proxy != null) {
@ -520,13 +521,12 @@ public Void call() throws Exception {
@Override
public ListenableFuture<RemoteEditLogManifest> getEditLogManifest(
final long fromTxnId, final boolean forReading,
final boolean inProgressOk) {
final long fromTxnId, final boolean inProgressOk) {
return executor.submit(new Callable<RemoteEditLogManifest>() {
@Override
public RemoteEditLogManifest call() throws IOException {
GetEditLogManifestResponseProto ret = getProxy().getEditLogManifest(
journalId, fromTxnId, forReading, inProgressOk);
journalId, fromTxnId, inProgressOk);
// Update the http port, since we need this to build URLs to any of the
// returned logs.
constructHttpServerURI(ret);

9
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java
View File

@ -450,17 +450,12 @@ public void close() throws IOException {
loggers.close();
}
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxnId, boolean inProgressOk) throws IOException {
selectInputStreams(streams, fromTxnId, inProgressOk, true);
}
@Override
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxnId, boolean inProgressOk, boolean forReading) throws IOException {
long fromTxnId, boolean inProgressOk) throws IOException {
QuorumCall<AsyncLogger, RemoteEditLogManifest> q =
loggers.getEditLogManifest(fromTxnId, forReading, inProgressOk);
loggers.getEditLogManifest(fromTxnId, inProgressOk);
Map<AsyncLogger, RemoteEditLogManifest> resps =
loggers.waitForWriteQuorum(q, selectInputStreamsTimeoutMs,
"selectInputStreams");

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/protocol/QJournalProtocol.java
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@ -123,14 +123,12 @@ public void purgeLogsOlderThan(RequestInfo requestInfo, long minTxIdToKeep)
/**
* @param jid the journal from which to enumerate edits
* @param sinceTxId the first transaction which the client cares about
* @param forReading whether or not the caller intends to read from the edit
* logs
* @param inProgressOk whether or not to check the in-progress edit log
* segment
* @return a list of edit log segments since the given transaction ID.
*/
public GetEditLogManifestResponseProto getEditLogManifest(String jid,
long sinceTxId, boolean forReading, boolean inProgressOk)
long sinceTxId, boolean inProgressOk)
throws IOException;
/**

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/protocolPB/QJournalProtocolServerSideTranslatorPB.java
View File

@ -203,7 +203,6 @@ public GetEditLogManifestResponseProto getEditLogManifest(
return impl.getEditLogManifest(
request.getJid().getIdentifier(),
request.getSinceTxId(),
request.getForReading(),
request.getInProgressOk());
} catch (IOException e) {
throw new ServiceException(e);

3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/protocolPB/QJournalProtocolTranslatorPB.java
View File

@ -228,14 +228,13 @@ public void purgeLogsOlderThan(RequestInfo reqInfo, long minTxIdToKeep)
@Override
public GetEditLogManifestResponseProto getEditLogManifest(String jid,
long sinceTxId, boolean forReading, boolean inProgressOk)
long sinceTxId, boolean inProgressOk)
throws IOException {
try {
return rpcProxy.getEditLogManifest(NULL_CONTROLLER,
GetEditLogManifestRequestProto.newBuilder()
.setJid(convertJournalId(jid))
.setSinceTxId(sinceTxId)
.setForReading(forReading)
.setInProgressOk(inProgressOk)
.build());
} catch (ServiceException e) {

7
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/Journal.java
View File

@ -630,15 +630,12 @@ private void purgePaxosDecision(long segmentTxId) throws IOException {
* @see QJournalProtocol#getEditLogManifest(String, long)
*/
public RemoteEditLogManifest getEditLogManifest(long sinceTxId,
boolean forReading, boolean inProgressOk) throws IOException {
boolean inProgressOk) throws IOException {
// No need to checkRequest() here - anyone may ask for the list
// of segments.
checkFormatted();
// if this is for reading, ignore the in-progress editlog segment
inProgressOk = forReading ? false : inProgressOk;
List<RemoteEditLog> logs = fjm.getRemoteEditLogs(sinceTxId, forReading,
inProgressOk);
List<RemoteEditLog> logs = fjm.getRemoteEditLogs(sinceTxId, inProgressOk);
if (inProgressOk) {
RemoteEditLog log = null;

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/JournalNodeRpcServer.java
View File

@ -178,11 +178,11 @@ public void purgeLogsOlderThan(RequestInfo reqInfo, long minTxIdToKeep)
@SuppressWarnings("deprecation")
@Override
public GetEditLogManifestResponseProto getEditLogManifest(String jid,
long sinceTxId, boolean forReading, boolean inProgressOk)
long sinceTxId, boolean inProgressOk)
throws IOException {
RemoteEditLogManifest manifest = jn.getOrCreateJournal(jid)
.getEditLogManifest(sinceTxId, forReading, inProgressOk);
.getEditLogManifest(sinceTxId, inProgressOk);
return GetEditLogManifestResponseProto.newBuilder()
.setManifest(PBHelper.convert(manifest))

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/BackupJournalManager.java
View File

@ -77,7 +77,7 @@ public void purgeLogsOlderThan(long minTxIdToKeep)
@Override
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxnId, boolean inProgressOk, boolean forReading) {
long fromTxnId, boolean inProgressOk) {
// This JournalManager is never used for input. Therefore it cannot
// return any transactions
}

21
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
View File

@ -286,7 +286,7 @@ synchronized void openForWrite() throws IOException {
// Safety check: we should never start a segment if there are
// newer txids readable.
List<EditLogInputStream> streams = new ArrayList<EditLogInputStream>();
journalSet.selectInputStreams(streams, segmentTxId, true, true);
journalSet.selectInputStreams(streams, segmentTxId, true);
if (!streams.isEmpty()) {
String error = String.format("Cannot start writing at txid %s " +
"when there is a stream available for read: %s",
@ -1037,7 +1037,7 @@ void setMetricsForTests(NameNodeMetrics metrics) {
*/
public synchronized RemoteEditLogManifest getEditLogManifest(long fromTxId)
throws IOException {
return journalSet.getEditLogManifest(fromTxId, true);
return journalSet.getEditLogManifest(fromTxId);
}
/**
@ -1332,8 +1332,8 @@ synchronized void recoverUnclosedStreams() {
@Override
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxId, boolean inProgressOk, boolean forReading) {
journalSet.selectInputStreams(streams, fromTxId, inProgressOk, forReading);
long fromTxId, boolean inProgressOk) throws IOException {
journalSet.selectInputStreams(streams, fromTxId, inProgressOk);
}
public Collection<EditLogInputStream> selectInputStreams(
@ -1341,27 +1341,18 @@ public Collection<EditLogInputStream> selectInputStreams(
return selectInputStreams(fromTxId, toAtLeastTxId, null, true);
}
/** Select a list of input streams to load */
public Collection<EditLogInputStream> selectInputStreams(
long fromTxId, long toAtLeastTxId, MetaRecoveryContext recovery,
boolean inProgressOk) throws IOException {
return selectInputStreams(fromTxId, toAtLeastTxId, recovery, inProgressOk,
true);
}
/**
* Select a list of input streams.
*
* @param fromTxId first transaction in the selected streams
* @param toAtLeast the selected streams must contain this transaction
* @param inProgessOk set to true if in-progress streams are OK
* @param forReading whether or not to use the streams to load the edit log
*/
public synchronized Collection<EditLogInputStream> selectInputStreams(
long fromTxId, long toAtLeastTxId, MetaRecoveryContext recovery,
boolean inProgressOk, boolean forReading) throws IOException {
boolean inProgressOk) throws IOException {
List<EditLogInputStream> streams = new ArrayList<EditLogInputStream>();
selectInputStreams(streams, fromTxId, inProgressOk, forReading);
selectInputStreams(streams, fromTxId, inProgressOk);
try {
checkForGaps(streams, fromTxId, toAtLeastTxId, inProgressOk);

19
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FileJournalManager.java
View File

@ -167,19 +167,13 @@ public void purgeLogsOlderThan(long minTxIdToKeep)
/**
* Find all editlog segments starting at or above the given txid.
* @param fromTxId the txnid which to start looking
* @param forReading whether or not the caller intends to read from the edit
* logs
* @param inProgressOk whether or not to include the in-progress edit log
* segment
* @return a list of remote edit logs
* @throws IOException if edit logs cannot be listed.
*/
public List<RemoteEditLog> getRemoteEditLogs(long firstTxId,
boolean forReading, boolean inProgressOk) throws IOException {
// make sure not reading in-progress edit log, i.e., if forReading is true,
// we should ignore the in-progress edit log.
Preconditions.checkArgument(!(forReading && inProgressOk));
boolean inProgressOk) throws IOException {
File currentDir = sd.getCurrentDir();
List<EditLogFile> allLogFiles = matchEditLogs(currentDir);
List<RemoteEditLog> ret = Lists.newArrayListWithCapacity(
@ -192,16 +186,11 @@ public List<RemoteEditLog> getRemoteEditLogs(long firstTxId,
if (elf.getFirstTxId() >= firstTxId) {
ret.add(new RemoteEditLog(elf.firstTxId, elf.lastTxId));
} else if (elf.getFirstTxId() < firstTxId && firstTxId <= elf.getLastTxId()) {
// If the firstTxId is in the middle of an edit log segment
if (forReading) {
// Note that this behavior is different from getLogFiles below.
throw new IllegalStateException("Asked for firstTxId " + firstTxId
+ " which is in the middle of file " + elf.file);
} else {
// If the firstTxId is in the middle of an edit log segment. Return this
// anyway and let the caller figure out whether it wants to use it.
ret.add(new RemoteEditLog(elf.firstTxId, elf.lastTxId));
}
}
}
Collections.sort(ret);
@ -260,7 +249,7 @@ static List<EditLogFile> matchEditLogs(File[] filesInStorage) {
@Override
synchronized public void selectInputStreams(
Collection<EditLogInputStream> streams, long fromTxId,
boolean inProgressOk, boolean forReading) throws IOException {
boolean inProgressOk) throws IOException {
List<EditLogFile> elfs = matchEditLogs(sd.getCurrentDir());
LOG.debug(this + ": selecting input streams starting at " + fromTxId +
(inProgressOk ? " (inProgress ok) " : " (excluding inProgress) ") +

15
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/JournalSet.java
View File

@ -233,12 +233,10 @@ public void apply(JournalAndStream jas) throws IOException {
* may not be sorted-- this is up to the caller.
* @param fromTxId The transaction ID to start looking for streams at
* @param inProgressOk Should we consider unfinalized streams?
* @param forReading Whether or not the caller intends to read from
* the returned streams.
*/
@Override
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxId, boolean inProgressOk, boolean forReading) {
long fromTxId, boolean inProgressOk) {
final PriorityQueue<EditLogInputStream> allStreams =
new PriorityQueue<EditLogInputStream>(64,
EDIT_LOG_INPUT_STREAM_COMPARATOR);
@ -248,8 +246,7 @@ public void selectInputStreams(Collection<EditLogInputStream> streams,
continue;
}
try {
jas.getManager().selectInputStreams(allStreams, fromTxId, inProgressOk,
forReading);
jas.getManager().selectInputStreams(allStreams, fromTxId, inProgressOk);
} catch (IOException ioe) {
LOG.warn("Unable to determine input streams from " + jas.getManager() +
". Skipping.", ioe);
@ -582,20 +579,20 @@ public void apply(JournalAndStream jas) throws IOException {
/**
* Return a manifest of what finalized edit logs are available. All available
* edit logs are returned starting from the transaction id passed.
* edit logs are returned starting from the transaction id passed. If
* 'fromTxId' falls in the middle of a log, that log is returned as well.
*
* @param fromTxId Starting transaction id to read the logs.
* @return RemoteEditLogManifest object.
*/
public synchronized RemoteEditLogManifest getEditLogManifest(long fromTxId,
boolean forReading) {
public synchronized RemoteEditLogManifest getEditLogManifest(long fromTxId) {
// Collect RemoteEditLogs available from each FileJournalManager
List<RemoteEditLog> allLogs = Lists.newArrayList();
for (JournalAndStream j : journals) {
if (j.getManager() instanceof FileJournalManager) {
FileJournalManager fjm = (FileJournalManager)j.getManager();
try {
allLogs.addAll(fjm.getRemoteEditLogs(fromTxId, forReading, false));
allLogs.addAll(fjm.getRemoteEditLogs(fromTxId, false));
} catch (Throwable t) {
LOG.warn("Cannot list edit logs in " + fjm, t);
}

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/LogsPurgeable.java
View File

@ -42,13 +42,11 @@ interface LogsPurgeable {
*
* @param fromTxId the first transaction id we want to read
* @param inProgressOk whether or not in-progress streams should be returned
* @param forReading whether or not the caller intends to read from the edit logs
*
* @return a list of streams
* @throws IOException if the underlying storage has an error or is otherwise
* inaccessible
*/
void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxId, boolean inProgressOk, boolean forReading) throws IOException;
long fromTxId, boolean inProgressOk) throws IOException;
}

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NNStorageRetentionManager.java
View File

@ -108,7 +108,7 @@ public void purgeOldStorage() throws IOException {
long purgeLogsFrom = Math.max(0, minimumRequiredTxId - numExtraEditsToRetain);
ArrayList<EditLogInputStream> editLogs = new ArrayList<EditLogInputStream>();
purgeableLogs.selectInputStreams(editLogs, purgeLogsFrom, false, false);
purgeableLogs.selectInputStreams(editLogs, purgeLogsFrom, false);
Collections.sort(editLogs, new Comparator<EditLogInputStream>() {
@Override
public int compare(EditLogInputStream a, EditLogInputStream b) {

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
View File

@ -827,7 +827,7 @@ public void purgeLogsOlderThan(long minTxIdToKeep) throws IOException {
@Override
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxId, boolean inProgressOk, boolean forReading) {
long fromTxId, boolean inProgressOk) {
Iterator<StorageDirectory> iter = storage.dirIterator();
while (iter.hasNext()) {
StorageDirectory dir = iter.next();

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/BootstrapStandby.java
View File

@ -228,7 +228,7 @@ private boolean checkLogsAvailableForRead(FSImage image, long imageTxId,
try {
Collection<EditLogInputStream> streams =
image.getEditLog().selectInputStreams(
firstTxIdInLogs, curTxIdOnOtherNode, null, true, false);
firstTxIdInLogs, curTxIdOnOtherNode, null, true);
for (EditLogInputStream stream : streams) {
IOUtils.closeStream(stream);
}

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/EditLogTailer.java
View File

@ -165,7 +165,7 @@ FSEditLog getEditLog() {
}
@VisibleForTesting
void setEditLog(FSEditLog editLog) {
public void setEditLog(FSEditLog editLog) {
this.editLog = editLog;
}

2
hadoop-hdfs-project/hadoop-hdfs/src/main/proto/QJournalProtocol.proto
View File

@ -178,7 +178,7 @@ message GetEditLogManifestRequestProto {
required JournalIdProto jid = 1;
required uint64 sinceTxId = 2; // Transaction ID
// Whether or not the client will be reading from the returned streams.
optional bool forReading = 3 [default = true];
// optional bool forReading = 3 [default = true]; <obsolete, do not reuse>
optional bool inProgressOk = 4 [default = false];
}

3
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
View File

@ -1487,8 +1487,9 @@ public synchronized void shutdownNameNode(int nnIndex) {
*/
public synchronized void restartNameNodes() throws IOException {
for (int i = 0; i < nameNodes.length; i++) {
restartNameNode(i);
restartNameNode(i, false);
}
waitActive();
}
/**

134
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/MiniQJMHACluster.java Normal file
View File

@ -0,0 +1,134 @@
/**
* 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.hdfs.qjournal;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HA_NAMENODES_KEY_PREFIX;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY;
import java.io.IOException;
import java.net.URI;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
import org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider;
public class MiniQJMHACluster {
private MiniDFSCluster cluster;
private MiniJournalCluster journalCluster;
private final Configuration conf;
private static String NAMESERVICE = "ns1";
private static final String NN1 = "nn1";
private static final String NN2 = "nn2";
private static final int NN1_IPC_PORT = 10000;
private static final int NN1_INFO_PORT = 10001;
private static final int NN2_IPC_PORT = 10002;
private static final int NN2_INFO_PORT = 10003;
public static class Builder {
private final Configuration conf;
private final MiniDFSCluster.Builder dfsBuilder;
public Builder(Configuration conf) {
this.conf = conf;
this.dfsBuilder = new MiniDFSCluster.Builder(conf);
}
public MiniDFSCluster.Builder getDfsBuilder() {
return dfsBuilder;
}
public MiniQJMHACluster build() throws IOException {
return new MiniQJMHACluster(this);
}
}
public static MiniDFSNNTopology createDefaultTopology() {
return new MiniDFSNNTopology()
.addNameservice(new MiniDFSNNTopology.NSConf(NAMESERVICE).addNN(
new MiniDFSNNTopology.NNConf("nn1").setIpcPort(NN1_IPC_PORT)
.setHttpPort(NN1_INFO_PORT)).addNN(
new MiniDFSNNTopology.NNConf("nn2").setIpcPort(NN2_IPC_PORT)
.setHttpPort(NN2_INFO_PORT)));
}
private MiniQJMHACluster(Builder builder) throws IOException {
this.conf = builder.conf;
// start 3 journal nodes
journalCluster = new MiniJournalCluster.Builder(conf).format(true)
.build();
URI journalURI = journalCluster.getQuorumJournalURI(NAMESERVICE);
// start cluster with 2 NameNodes
MiniDFSNNTopology topology = createDefaultTopology();
initHAConf(journalURI, builder.conf);
// First start up the NNs just to format the namespace. The MinIDFSCluster
// has no way to just format the NameNodes without also starting them.
cluster = builder.dfsBuilder.nnTopology(topology)
.manageNameDfsSharedDirs(false).build();
cluster.waitActive();
cluster.shutdown();
// initialize the journal nodes
Configuration confNN0 = cluster.getConfiguration(0);
NameNode.initializeSharedEdits(confNN0, true);
// restart the cluster
cluster.restartNameNodes();
}
private Configuration initHAConf(URI journalURI, Configuration conf) {
conf.set(DFSConfigKeys.DFS_NAMENODE_SHARED_EDITS_DIR_KEY,
journalURI.toString());
String address1 = "127.0.0.1:" + NN1_IPC_PORT;
String address2 = "127.0.0.1:" + NN2_IPC_PORT;
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
NAMESERVICE, NN1), address1);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
NAMESERVICE, NN2), address2);
conf.set(DFSConfigKeys.DFS_NAMESERVICES, NAMESERVICE);
conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY_PREFIX, NAMESERVICE),
NN1 + "," + NN2);
conf.set(DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX + "." + NAMESERVICE,
ConfiguredFailoverProxyProvider.class.getName());
conf.set("fs.defaultFS", "hdfs://" + NAMESERVICE);
return conf;
}
public MiniDFSCluster getDfsCluster() {
return cluster;
}
public MiniJournalCluster getJournalCluster() {
return journalCluster;
}
public void shutdown() throws IOException {
cluster.shutdown();
journalCluster.shutdown();
}
}

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/TestNNWithQJM.java
View File

@ -18,7 +18,6 @@
package org.apache.hadoop.hdfs.qjournal;
import static org.junit.Assert.*;
import static org.junit.Assume.*;
import java.io.File;
import java.io.IOException;

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/client/TestQuorumJournalManager.java
View File

@ -916,7 +916,7 @@ public void testSelectInputStreamsNotOnBoundary() throws Exception {
NNStorage.getFinalizedEditsFileName(41, 50));
ArrayList<EditLogInputStream> streams = new ArrayList<EditLogInputStream>();
qjm.selectInputStreams(streams, 25, false, false);
qjm.selectInputStreams(streams, 25, false);
verifyEdits(streams, 25, 50);
}

11
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/NameNodeAdapter.java
View File

@ -37,6 +37,7 @@
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.MkdirOp;
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem.SafeModeInfo;
import org.apache.hadoop.hdfs.server.namenode.LeaseManager.Lease;
import org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer;
import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
import org.apache.hadoop.hdfs.server.protocol.HeartbeatResponse;
import org.apache.hadoop.ipc.Server;
@ -180,6 +181,16 @@ public static FSImage spyOnFsImage(NameNode nn1) {
return spy;
}
public static FSEditLog spyOnEditLog(NameNode nn) {
FSEditLog spyEditLog = spy(nn.getNamesystem().getFSImage().getEditLog());
nn.getFSImage().setEditLogForTesting(spyEditLog);
EditLogTailer tailer = nn.getNamesystem().getEditLogTailer();
if (tailer != null) {
tailer.setEditLog(spyEditLog);
}
return spyEditLog;
}
public static JournalSet spyOnJournalSet(NameNode nn) {
FSEditLog editLog = nn.getFSImage().getEditLog();
JournalSet js = Mockito.spy(editLog.getJournalSet());

14
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileJournalManager.java
View File

@ -82,7 +82,7 @@ static long getNumberOfTransactions(FileJournalManager jm, long fromTxId,
final PriorityQueue<EditLogInputStream> allStreams =
new PriorityQueue<EditLogInputStream>(64,
JournalSet.EDIT_LOG_INPUT_STREAM_COMPARATOR);
jm.selectInputStreams(allStreams, fromTxId, inProgressOk, true);
jm.selectInputStreams(allStreams, fromTxId, inProgressOk);
EditLogInputStream elis = null;
try {
while ((elis = allStreams.poll()) != null) {
@ -378,14 +378,8 @@ public void testGetRemoteEditLog() throws IOException {
FileJournalManager fjm = new FileJournalManager(conf, sd, null);
assertEquals("[1,100],[101,200],[1001,1100]", getLogsAsString(fjm, 1));
assertEquals("[101,200],[1001,1100]", getLogsAsString(fjm, 101));
assertEquals("[101,200],[1001,1100]", getLogsAsString(fjm, 150));
assertEquals("[1001,1100]", getLogsAsString(fjm, 201));
try {
assertEquals("[]", getLogsAsString(fjm, 150));
fail("Did not throw when asking for a txn in the middle of a log");
} catch (IllegalStateException ioe) {
GenericTestUtils.assertExceptionContains(
"150 which is in the middle", ioe);
}
assertEquals("Asking for a newer log than exists should return empty list",
"", getLogsAsString(fjm, 9999));
}
@ -404,7 +398,7 @@ private static EditLogInputStream getJournalInputStream(JournalManager jm,
final PriorityQueue<EditLogInputStream> allStreams =
new PriorityQueue<EditLogInputStream>(64,
JournalSet.EDIT_LOG_INPUT_STREAM_COMPARATOR);
jm.selectInputStreams(allStreams, txId, inProgressOk, true);
jm.selectInputStreams(allStreams, txId, inProgressOk);
EditLogInputStream elis = null, ret;
try {
while ((elis = allStreams.poll()) != null) {
@ -482,6 +476,6 @@ public void testExcludeInProgressStreams() throws CorruptionException,
private static String getLogsAsString(
FileJournalManager fjm, long firstTxId) throws IOException {
return Joiner.on(",").join(fjm.getRemoteEditLogs(firstTxId, true, false));
return Joiner.on(",").join(fjm.getRemoteEditLogs(firstTxId, false));
}
}

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestGenericJournalConf.java
View File

@ -170,7 +170,7 @@ public void finalizeLogSegment(long firstTxId, long lastTxId)
@Override
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxnId, boolean inProgressOk, boolean forReading) {
long fromTxnId, boolean inProgressOk) {
}
@Override

7
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNNStorageRetentionManager.java
View File

@ -324,7 +324,7 @@ NNStorage mockStorage() throws IOException {
}
@SuppressWarnings("unchecked")
public FSEditLog mockEditLog(StoragePurger purger) {
public FSEditLog mockEditLog(StoragePurger purger) throws IOException {
final List<JournalManager> jms = Lists.newArrayList();
final JournalSet journalSet = new JournalSet(0);
for (FakeRoot root : dirRoots.values()) {
@ -360,12 +360,11 @@ public Void answer(InvocationOnMock invocation) throws Throwable {
public Void answer(InvocationOnMock invocation) throws Throwable {
Object[] args = invocation.getArguments();
journalSet.selectInputStreams((Collection<EditLogInputStream>)args[0],
(long)((Long)args[1]), (boolean)((Boolean)args[2]),
(boolean)((Boolean)args[3]));
(long)((Long)args[1]), (boolean)((Boolean)args[2]));
return null;
}
}).when(mockLog).selectInputStreams(Mockito.anyCollection(),
Mockito.anyLong(), Mockito.anyBoolean(), Mockito.anyBoolean());
Mockito.anyLong(), Mockito.anyBoolean());
return mockLog;
}
}

79
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestBootstrapStandbyWithQJM.java
View File

@ -17,24 +17,18 @@
*/
package org.apache.hadoop.hdfs.server.namenode.ha;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HA_NAMENODES_KEY_PREFIX;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.net.URI;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
import org.apache.hadoop.hdfs.qjournal.MiniJournalCluster;
import org.apache.hadoop.hdfs.qjournal.MiniQJMHACluster;
import org.apache.hadoop.hdfs.server.namenode.FSImageTestUtil;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
@ -45,50 +39,22 @@
* Test BootstrapStandby when QJM is used for shared edits.
*/
public class TestBootstrapStandbyWithQJM {
private static final String NAMESERVICE = "ns1";
private static final String NN1 = "nn1";
private static final String NN2 = "nn2";
private static final int NUM_JN = 3;
private static final int NN1_IPC_PORT = 10000;
private static final int NN1_INFO_PORT = 10001;
private static final int NN2_IPC_PORT = 10002;
private static final int NN2_INFO_PORT = 10003;
private MiniQJMHACluster miniQjmHaCluster;
private MiniDFSCluster cluster;
private MiniJournalCluster jCluster;
@Before
public void setup() throws Exception {
// start 3 journal nodes
jCluster = new MiniJournalCluster.Builder(new Configuration()).format(true)
.numJournalNodes(NUM_JN).build();
URI journalURI = jCluster.getQuorumJournalURI(NAMESERVICE);
Configuration conf = new Configuration();
// Turn off IPC client caching, so that the suite can handle
// the restart of the daemons between test cases.
conf.setInt(
CommonConfigurationKeysPublic.IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY,
0);
// start cluster with 2 NameNodes
MiniDFSNNTopology topology = new MiniDFSNNTopology()
.addNameservice(new MiniDFSNNTopology.NSConf(NAMESERVICE).addNN(
new MiniDFSNNTopology.NNConf("nn1").setIpcPort(NN1_IPC_PORT)
.setHttpPort(NN1_INFO_PORT)).addNN(
new MiniDFSNNTopology.NNConf("nn2").setIpcPort(NN2_IPC_PORT)
.setHttpPort(NN2_INFO_PORT)));
Configuration conf = initHAConf(journalURI);
cluster = new MiniDFSCluster.Builder(conf).nnTopology(topology)
.numDataNodes(1).manageNameDfsSharedDirs(false).build();
cluster.waitActive();
Configuration confNN0 = new Configuration(conf);
cluster.shutdown();
// initialize the journal nodes
confNN0.set(DFSConfigKeys.DFS_HA_NAMENODE_ID_KEY, "nn1");
NameNode.initializeSharedEdits(confNN0, true);
// restart the cluster
cluster = new MiniDFSCluster.Builder(conf).format(false)
.nnTopology(topology).numDataNodes(1).manageNameDfsSharedDirs(false)
.build();
cluster.waitActive();
miniQjmHaCluster = new MiniQJMHACluster.Builder(conf).build();
cluster = miniQjmHaCluster.getDfsCluster();
jCluster = miniQjmHaCluster.getJournalCluster();
// make nn0 active
cluster.transitionToActive(0);
@ -109,27 +75,6 @@ public void cleanup() throws IOException {
}
}
private Configuration initHAConf(URI journalURI) {
Configuration conf = new Configuration();
conf.set(DFSConfigKeys.DFS_NAMENODE_SHARED_EDITS_DIR_KEY,
journalURI.toString());
String address1 = "127.0.0.1:" + NN1_IPC_PORT;
String address2 = "127.0.0.1:" + NN2_IPC_PORT;
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
NAMESERVICE, NN1), address1);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
NAMESERVICE, NN2), address2);
conf.set(DFSConfigKeys.DFS_NAMESERVICES, NAMESERVICE);
conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY_PREFIX, NAMESERVICE),
NN1 + "," + NN2);
conf.set(DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX + "." + NAMESERVICE,
ConfiguredFailoverProxyProvider.class.getName());
conf.set("fs.defaultFS", "hdfs://" + NAMESERVICE);
return conf;
}
/** BootstrapStandby when the existing NN is standby */
@Test
public void testBootstrapStandbyWithStandbyNN() throws Exception {

53
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestFailureToReadEdits.java
View File

@ -27,6 +27,7 @@
import static org.mockito.Mockito.spy;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedList;
@ -37,6 +38,8 @@
import org.apache.hadoop.hdfs.HAUtil;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
import org.apache.hadoop.hdfs.qjournal.MiniQJMHACluster;
import org.apache.hadoop.hdfs.qjournal.MiniQJMHACluster.Builder;
import org.apache.hadoop.hdfs.server.namenode.EditLogInputStream;
import org.apache.hadoop.hdfs.server.namenode.FSEditLog;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp;
@ -48,23 +51,49 @@
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import com.google.common.collect.ImmutableList;
@RunWith(Parameterized.class)
public class TestFailureToReadEdits {
private static final String TEST_DIR1 = "/test1";
private static final String TEST_DIR2 = "/test2";
private static final String TEST_DIR3 = "/test3";
private final TestType clusterType;
private Configuration conf;
private MiniDFSCluster cluster;
private MiniQJMHACluster miniQjmHaCluster; // for QJM case only
private NameNode nn0;
private NameNode nn1;
private FileSystem fs;
private static enum TestType {
SHARED_DIR_HA,
QJM_HA;
};
/**
* Run this suite of tests both for QJM-based HA and for file-based
* HA.
*/
@Parameters
public static Iterable<Object[]> data() {
return Arrays.asList(new Object[][] {
{ TestType.SHARED_DIR_HA },
{ TestType.QJM_HA } });
}
public TestFailureToReadEdits(TestType clusterType) {
this.clusterType = clusterType;
}
@Before
public void setUpCluster() throws Exception {
conf = new Configuration();
@ -74,16 +103,19 @@ public void setUpCluster() throws Exception {
conf.setInt(DFSConfigKeys.DFS_HA_TAILEDITS_PERIOD_KEY, 1);
HAUtil.setAllowStandbyReads(conf, true);
MiniDFSNNTopology topology = new MiniDFSNNTopology()
.addNameservice(new MiniDFSNNTopology.NSConf("ns1")
.addNN(new MiniDFSNNTopology.NNConf("nn1").setHttpPort(10041))
.addNN(new MiniDFSNNTopology.NNConf("nn2").setHttpPort(10042)));
if (clusterType == TestType.SHARED_DIR_HA) {
MiniDFSNNTopology topology = MiniQJMHACluster.createDefaultTopology();
cluster = new MiniDFSCluster.Builder(conf)
.nnTopology(topology)
.numDataNodes(0)
.checkExitOnShutdown(false)
.build();
} else {
Builder builder = new MiniQJMHACluster.Builder(conf);
builder.getDfsBuilder().numDataNodes(0).checkExitOnShutdown(false);
miniQjmHaCluster = builder.build();
cluster = miniQjmHaCluster.getDfsCluster();
}
cluster.waitActive();
nn0 = cluster.getNameNode(0);
@ -99,9 +131,15 @@ public void tearDownCluster() throws Exception {
fs.close();
}
if (clusterType == TestType.SHARED_DIR_HA) {
if (cluster != null) {
cluster.shutdown();
}
} else {
if (miniQjmHaCluster != null) {
miniQjmHaCluster.shutdown();
}
}
}
/**
@ -259,13 +297,10 @@ public void testFailureToReadEditsOnTransitionToActive() throws Exception {
}
private LimitedEditLogAnswer causeFailureOnEditLogRead() throws IOException {
FSEditLog spyEditLog = spy(nn1.getNamesystem().getEditLogTailer()
.getEditLog());
FSEditLog spyEditLog = NameNodeAdapter.spyOnEditLog(nn1);
LimitedEditLogAnswer answer = new LimitedEditLogAnswer();
doAnswer(answer).when(spyEditLog).selectInputStreams(
anyLong(), anyLong(), (MetaRecoveryContext)anyObject(), anyBoolean());
nn1.getNamesystem().getEditLogTailer().setEditLog(spyEditLog);
return answer;
}