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The following commit(s) were added to refs/heads/master by this push:
new 2e45cd29 feat(core): support load vertex/edge snapshot (#269)
2e45cd29 is described below
commit 2e45cd2983436172589802b35a6c2715a1af90bc
Author: Aaron Wang <[email protected]>
AuthorDate: Sun Oct 22 11:54:56 2023 +0800
feat(core): support load vertex/edge snapshot (#269)
---
.../computer/core/config/ComputerOptions.java | 56 +++++
computer-core/pom.xml | 5 +
.../computer/core/input/WorkerInputManager.java | 21 +-
.../core/network/buffer/FileRegionBuffer.java | 5 +
.../computer/core/receiver/MessageRecvManager.java | 24 +-
.../core/receiver/MessageRecvPartition.java | 4 +
.../core/receiver/MessageRecvPartitions.java | 19 +-
.../receiver/edge/EdgeMessageRecvPartitions.java | 16 +-
.../message/ComputeMessageRecvPartitions.java | 13 +-
.../vertex/VertexMessageRecvPartitions.java | 16 +-
.../computer/core/snapshot/SnapshotManager.java | 254 +++++++++++++++++++++
.../computer/core/worker/WorkerService.java | 10 +-
computer-dist/release-docs/LICENSE | 1 +
.../release-docs/licenses/LICENSE-minio.txt | 202 ++++++++++++++++
computer-test/pom.xml | 4 +
.../computer/core/compute/ComputeManagerTest.java | 8 +-
.../core/compute/input/EdgesInputTest.java | 6 +
.../core/compute/input/MessageInputTest.java | 6 +
.../core/network/DataServerManagerTest.java | 5 +
.../core/receiver/MessageRecvManagerTest.java | 6 +
pom.xml | 1 +
21 files changed, 657 insertions(+), 25 deletions(-)
diff --git
a/computer-api/src/main/java/org/apache/hugegraph/computer/core/config/ComputerOptions.java
b/computer-api/src/main/java/org/apache/hugegraph/computer/core/config/ComputerOptions.java
index cce7447d..43f3b6ca 100644
---
a/computer-api/src/main/java/org/apache/hugegraph/computer/core/config/ComputerOptions.java
+++
b/computer-api/src/main/java/org/apache/hugegraph/computer/core/config/ComputerOptions.java
@@ -198,6 +198,62 @@ public class ComputerOptions extends OptionHolder {
""
);
+ public static final ConfigOption<Boolean> SNAPSHOT_WRITE =
+ new ConfigOption<>(
+ "snapshot.write",
+ "Whether to write snapshot of input vertex/edge
partitions.",
+ allowValues(true, false),
+ false
+ );
+
+ public static final ConfigOption<Boolean> SNAPSHOT_LOAD =
+ new ConfigOption<>(
+ "snapshot.load",
+ "Whether to load from snapshot of vertex/edge partitions.",
+ allowValues(true, false),
+ false
+ );
+
+ public static final ConfigOption<String> SNAPSHOT_NAME =
+ new ConfigOption<>(
+ "snapshot.name",
+ "The user-defined snapshot name.",
+ null,
+ ""
+ );
+
+ public static final ConfigOption<String> SNAPSHOT_MINIO_ENDPOINT =
+ new ConfigOption<>(
+ "snapshot.minio_endpoint",
+ "The endpoint of MinIO, MinIO can be used to store
snapshots.",
+ null,
+ ""
+ );
+
+ public static final ConfigOption<String> SNAPSHOT_MINIO_ACCESS_KEY =
+ new ConfigOption<>(
+ "snapshot.minio_access_key",
+ "The access key of MinIO.",
+ null,
+ ""
+ );
+
+ public static final ConfigOption<String> SNAPSHOT_MINIO_SECRET_KEY =
+ new ConfigOption<>(
+ "snapshot.minio_secret_key",
+ "The secret key of MinIO.",
+ null,
+ ""
+ );
+
+ public static final ConfigOption<String> SNAPSHOT_MINIO_BUCKET_NAME =
+ new ConfigOption<>(
+ "snapshot.minio_bucket_name",
+ "The bucket name of MinIO.",
+ null,
+ ""
+ );
+
public static final ConfigOption<Integer> INPUT_SEND_THREAD_NUMS =
new ConfigOption<>(
"input.send_thread_nums",
diff --git a/computer-core/pom.xml b/computer-core/pom.xml
index 6344acbb..ee53458e 100644
--- a/computer-core/pom.xml
+++ b/computer-core/pom.xml
@@ -60,6 +60,11 @@
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-common</artifactId>
</dependency>
+ <dependency>
+ <groupId>io.minio</groupId>
+ <artifactId>minio</artifactId>
+ <version>${minio-version}</version>
+ </dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-hdfs-client</artifactId>
diff --git
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/input/WorkerInputManager.java
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/input/WorkerInputManager.java
index c5e4a766..1a3cd2c8 100644
---
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/input/WorkerInputManager.java
+++
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/input/WorkerInputManager.java
@@ -34,6 +34,7 @@ import org.apache.hugegraph.computer.core.manager.Manager;
import org.apache.hugegraph.computer.core.network.message.MessageType;
import org.apache.hugegraph.computer.core.rpc.InputSplitRpcService;
import org.apache.hugegraph.computer.core.sender.MessageSendManager;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.worker.load.LoadService;
import org.apache.hugegraph.util.ExecutorUtil;
import org.apache.hugegraph.util.Log;
@@ -60,9 +61,13 @@ public class WorkerInputManager implements Manager {
*/
private final MessageSendManager sendManager;
+ private final SnapshotManager snapshotManager;
+
public WorkerInputManager(ComputerContext context,
- MessageSendManager sendManager) {
+ MessageSendManager sendManager,
+ SnapshotManager snapshotManager) {
this.sendManager = sendManager;
+ this.snapshotManager = snapshotManager;
this.sendThreadNum = this.inputSendThreadNum(context.config());
this.sendExecutor =
ExecutorUtil.newFixedThreadPool(this.sendThreadNum, PREFIX);
@@ -103,11 +108,17 @@ public class WorkerInputManager implements Manager {
* but there is no guarantee that all of them has been received.
*/
public void loadGraph() {
+ if (this.snapshotManager.loadSnapshot()) {
+ this.snapshotManager.load();
+ return;
+ }
+
List<CompletableFuture<?>> futures = new ArrayList<>();
CompletableFuture<?> future;
this.sendManager.startSend(MessageType.VERTEX);
for (int i = 0; i < this.sendThreadNum; i++) {
- future = send(this.sendManager::sendVertex,
this.loadService::createIteratorFromVertex);
+ future = this.send(this.sendManager::sendVertex,
+ this.loadService::createIteratorFromVertex);
futures.add(future);
}
CompletableFuture.allOf(futures.toArray(new
CompletableFuture[0])).exceptionally(e -> {
@@ -116,11 +127,11 @@ public class WorkerInputManager implements Manager {
}).join();
this.sendManager.finishSend(MessageType.VERTEX);
- futures.clear();
-
this.sendManager.startSend(MessageType.EDGE);
+ futures.clear();
for (int i = 0; i < this.sendThreadNum; i++) {
- future = send(this.sendManager::sendEdge,
this.loadService::createIteratorFromEdge);
+ future = this.send(this.sendManager::sendEdge,
+ this.loadService::createIteratorFromEdge);
futures.add(future);
}
CompletableFuture.allOf(futures.toArray(new
CompletableFuture[0])).exceptionally(e -> {
diff --git
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/network/buffer/FileRegionBuffer.java
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/network/buffer/FileRegionBuffer.java
index ce196146..8b597de4 100644
---
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/network/buffer/FileRegionBuffer.java
+++
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/network/buffer/FileRegionBuffer.java
@@ -43,6 +43,11 @@ public class FileRegionBuffer implements NetworkBuffer {
this.length = length;
}
+ public FileRegionBuffer(int length, String path) {
+ this.length = length;
+ this.path = path;
+ }
+
/**
* Use zero-copy transform from socket channel to file
* @param channel
diff --git
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvManager.java
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvManager.java
index b77ffa80..54237d4f 100644
---
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvManager.java
+++
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvManager.java
@@ -38,6 +38,7 @@ import
org.apache.hugegraph.computer.core.network.message.MessageType;
import
org.apache.hugegraph.computer.core.receiver.edge.EdgeMessageRecvPartitions;
import
org.apache.hugegraph.computer.core.receiver.message.ComputeMessageRecvPartitions;
import
org.apache.hugegraph.computer.core.receiver.vertex.VertexMessageRecvPartitions;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.flusher.PeekableIterator;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
import org.apache.hugegraph.computer.core.store.FileManager;
@@ -65,6 +66,7 @@ public class MessageRecvManager implements Manager,
MessageHandler {
private int expectedFinishMessages;
private CompletableFuture<Void> finishMessagesFuture;
private AtomicInteger finishMessagesCount;
+ private SnapshotManager snapshotManager;
private long waitFinishMessagesTimeout;
private long superstep;
@@ -89,10 +91,14 @@ public class MessageRecvManager implements Manager,
MessageHandler {
SuperstepFileGenerator fileGenerator = new SuperstepFileGenerator(
this.fileManager,
Constants.INPUT_SUPERSTEP);
- this.vertexPartitions = new VertexMessageRecvPartitions(
- this.context, fileGenerator, this.sortManager);
- this.edgePartitions = new EdgeMessageRecvPartitions(
- this.context, fileGenerator, this.sortManager);
+ this.vertexPartitions = new VertexMessageRecvPartitions(this.context,
+ fileGenerator,
+
this.sortManager,
+
this.snapshotManager);
+ this.edgePartitions = new EdgeMessageRecvPartitions(this.context,
+ fileGenerator,
+ this.sortManager,
+
this.snapshotManager);
this.workerCount = config.get(ComputerOptions.JOB_WORKERS_COUNT);
// One for vertex and one for edge.
this.expectedFinishMessages = this.workerCount * 2;
@@ -107,8 +113,10 @@ public class MessageRecvManager implements Manager,
MessageHandler {
public void beforeSuperstep(Config config, int superstep) {
SuperstepFileGenerator fileGenerator = new SuperstepFileGenerator(
this.fileManager, superstep);
- this.messagePartitions = new ComputeMessageRecvPartitions(
- this.context, fileGenerator,
this.sortManager);
+ this.messagePartitions = new ComputeMessageRecvPartitions(this.context,
+
fileGenerator,
+
this.sortManager,
+
this.snapshotManager);
this.expectedFinishMessages = this.workerCount;
this.finishMessagesFuture = new CompletableFuture<>();
this.finishMessagesCount.set(this.expectedFinishMessages);
@@ -245,4 +253,8 @@ public class MessageRecvManager implements Manager,
MessageHandler {
"The messagePartitions can't be null");
return this.messagePartitions.messageStats();
}
+
+ public void setSnapshotManager(SnapshotManager snapshotManager) {
+ this.snapshotManager = snapshotManager;
+ }
}
diff --git
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvPartition.java
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvPartition.java
index d63d5dab..ce0ada3e 100644
---
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvPartition.java
+++
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvPartition.java
@@ -127,6 +127,10 @@ public abstract class MessageRecvPartition {
return this.totalBytes;
}
+ public synchronized List<String> outputFiles() {
+ return this.outputFiles;
+ }
+
public synchronized MessageStat messageStat() {
// TODO: count the message received
return new MessageStat(0L, this.totalBytes);
diff --git
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvPartitions.java
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvPartitions.java
index 362b1425..222fff2c 100644
---
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvPartitions.java
+++
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvPartitions.java
@@ -17,42 +17,48 @@
package org.apache.hugegraph.computer.core.receiver;
-import java.io.File;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
import org.apache.commons.io.FileUtils;
import org.apache.hugegraph.computer.core.common.ComputerContext;
import org.apache.hugegraph.computer.core.config.Config;
import org.apache.hugegraph.computer.core.network.buffer.NetworkBuffer;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.flusher.PeekableIterator;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
import org.apache.hugegraph.computer.core.store.SuperstepFileGenerator;
import org.apache.hugegraph.computer.core.store.entry.KvEntry;
+import java.io.File;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
public abstract class MessageRecvPartitions<P extends MessageRecvPartition> {
protected final ComputerContext context;
protected final Config config;
protected final SuperstepFileGenerator fileGenerator;
protected final SortManager sortManager;
+ protected final SnapshotManager snapshotManager;
// The map of partition-id and the messages for the partition.
private final Map<Integer, P> partitions;
public MessageRecvPartitions(ComputerContext context,
SuperstepFileGenerator fileGenerator,
- SortManager sortManager) {
+ SortManager sortManager,
+ SnapshotManager snapshotManager) {
this.context = context;
this.config = context.config();
this.fileGenerator = fileGenerator;
this.sortManager = sortManager;
+ this.snapshotManager = snapshotManager;
this.partitions = new HashMap<>();
}
protected abstract P createPartition();
+ protected abstract void writePartitionSnapshot(int partitionId,
List<String> outputFiles);
+
public void addBuffer(int partitionId, NetworkBuffer buffer) {
P partition = this.partition(partitionId);
partition.addBuffer(buffer);
@@ -87,6 +93,7 @@ public abstract class MessageRecvPartitions<P extends
MessageRecvPartition> {
Map<Integer, PeekableIterator<KvEntry>> entries = new HashMap<>();
for (Map.Entry<Integer, P> entry : this.partitions.entrySet()) {
entries.put(entry.getKey(), entry.getValue().iterator());
+ this.writePartitionSnapshot(entry.getKey(),
entry.getValue().outputFiles());
}
return entries;
}
diff --git
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/edge/EdgeMessageRecvPartitions.java
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/edge/EdgeMessageRecvPartitions.java
index 705a1a20..558bfaa2 100644
---
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/edge/EdgeMessageRecvPartitions.java
+++
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/edge/EdgeMessageRecvPartitions.java
@@ -18,17 +18,22 @@
package org.apache.hugegraph.computer.core.receiver.edge;
import org.apache.hugegraph.computer.core.common.ComputerContext;
+import org.apache.hugegraph.computer.core.network.message.MessageType;
import org.apache.hugegraph.computer.core.receiver.MessageRecvPartitions;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
import org.apache.hugegraph.computer.core.store.SuperstepFileGenerator;
+import java.util.List;
+
public class EdgeMessageRecvPartitions
extends MessageRecvPartitions<EdgeMessageRecvPartition> {
public EdgeMessageRecvPartitions(ComputerContext context,
SuperstepFileGenerator fileGenerator,
- SortManager sortManager) {
- super(context, fileGenerator, sortManager);
+ SortManager sortManager,
+ SnapshotManager snapshotManager) {
+ super(context, fileGenerator, sortManager, snapshotManager);
}
@Override
@@ -36,4 +41,11 @@ public class EdgeMessageRecvPartitions
return new EdgeMessageRecvPartition(this.context, this.fileGenerator,
this.sortManager);
}
+
+ @Override
+ public void writePartitionSnapshot(int partitionId, List<String>
outputFiles) {
+ if (this.snapshotManager.writeSnapshot()) {
+ this.snapshotManager.upload(MessageType.EDGE, partitionId,
outputFiles);
+ }
+ }
}
diff --git
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/message/ComputeMessageRecvPartitions.java
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/message/ComputeMessageRecvPartitions.java
index 618f4e43..a3e3e358 100644
---
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/message/ComputeMessageRecvPartitions.java
+++
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/message/ComputeMessageRecvPartitions.java
@@ -19,16 +19,20 @@ package org.apache.hugegraph.computer.core.receiver.message;
import org.apache.hugegraph.computer.core.common.ComputerContext;
import org.apache.hugegraph.computer.core.receiver.MessageRecvPartitions;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
import org.apache.hugegraph.computer.core.store.SuperstepFileGenerator;
+import java.util.List;
+
public class ComputeMessageRecvPartitions
extends MessageRecvPartitions<ComputeMessageRecvPartition> {
public ComputeMessageRecvPartitions(ComputerContext context,
SuperstepFileGenerator fileGenerator,
- SortManager sortManager) {
- super(context, fileGenerator, sortManager);
+ SortManager sortManager,
+ SnapshotManager snapshotManager) {
+ super(context, fileGenerator, sortManager, snapshotManager);
}
@Override
@@ -36,4 +40,9 @@ public class ComputeMessageRecvPartitions
return new ComputeMessageRecvPartition(this.context,
this.fileGenerator,
this.sortManager);
}
+
+ @Override
+ protected void writePartitionSnapshot(int partitionId, List<String>
outputFiles) {
+ // pass
+ }
}
diff --git
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/vertex/VertexMessageRecvPartitions.java
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/vertex/VertexMessageRecvPartitions.java
index 7046f3fa..982ae740 100644
---
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/vertex/VertexMessageRecvPartitions.java
+++
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/receiver/vertex/VertexMessageRecvPartitions.java
@@ -18,18 +18,23 @@
package org.apache.hugegraph.computer.core.receiver.vertex;
import org.apache.hugegraph.computer.core.common.ComputerContext;
+import org.apache.hugegraph.computer.core.network.message.MessageType;
import org.apache.hugegraph.computer.core.receiver.MessageRecvPartitions;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
import org.apache.hugegraph.computer.core.store.SuperstepFileGenerator;
+import java.util.List;
+
public class VertexMessageRecvPartitions
extends MessageRecvPartitions<VertexMessageRecvPartition> {
public VertexMessageRecvPartitions(ComputerContext context,
SuperstepFileGenerator fileGenerator,
- SortManager sortManager) {
- super(context, fileGenerator, sortManager);
+ SortManager sortManager,
+ SnapshotManager snapshotManager) {
+ super(context, fileGenerator, sortManager, snapshotManager);
}
@Override
@@ -37,4 +42,11 @@ public class VertexMessageRecvPartitions
return new VertexMessageRecvPartition(this.context, this.fileGenerator,
this.sortManager);
}
+
+ @Override
+ public void writePartitionSnapshot(int partitionId, List<String>
outputFiles) {
+ if (this.snapshotManager.writeSnapshot()) {
+ this.snapshotManager.upload(MessageType.VERTEX, partitionId,
outputFiles);
+ }
+ }
}
diff --git
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/snapshot/SnapshotManager.java
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/snapshot/SnapshotManager.java
new file mode 100644
index 00000000..4734ee5a
--- /dev/null
+++
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/snapshot/SnapshotManager.java
@@ -0,0 +1,254 @@
+/*
+ * 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.hugegraph.computer.core.snapshot;
+
+import io.minio.DownloadObjectArgs;
+import io.minio.ListObjectsArgs;
+import io.minio.MinioClient;
+import io.minio.RemoveObjectsArgs;
+import io.minio.Result;
+import io.minio.UploadObjectArgs;
+import io.minio.messages.DeleteError;
+import io.minio.messages.DeleteObject;
+import io.minio.messages.Item;
+import org.apache.commons.lang.StringUtils;
+import org.apache.hugegraph.computer.core.common.ComputerContext;
+import org.apache.hugegraph.computer.core.common.ContainerInfo;
+import org.apache.hugegraph.computer.core.common.exception.ComputerException;
+import org.apache.hugegraph.computer.core.config.ComputerOptions;
+import org.apache.hugegraph.computer.core.config.Config;
+import org.apache.hugegraph.computer.core.graph.partition.Partitioner;
+import org.apache.hugegraph.computer.core.manager.Manager;
+import org.apache.hugegraph.computer.core.network.buffer.FileRegionBuffer;
+import org.apache.hugegraph.computer.core.network.message.MessageType;
+import org.apache.hugegraph.computer.core.receiver.MessageRecvManager;
+import org.apache.hugegraph.computer.core.sender.MessageSendManager;
+import org.apache.hugegraph.util.Log;
+import org.slf4j.Logger;
+
+import java.io.File;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Locale;
+
+public class SnapshotManager implements Manager {
+
+ private static final Logger LOG = Log.logger(SnapshotManager.class);
+ public static final String NAME = "worker_snapshot";
+
+ private final MessageSendManager sendManager;
+ private final MessageRecvManager recvManager;
+
+ private final ContainerInfo workerInfo;
+ private final Partitioner partitioner;
+ private final int partitionCount;
+ private final boolean loadSnapshot;
+ private final boolean writeSnapshot;
+ private final String snapshotName;
+
+ private MinioClient minioClient;
+ private String bucketName;
+
+ public SnapshotManager(ComputerContext context, MessageSendManager
sendManager,
+ MessageRecvManager recvManager, ContainerInfo
workerInfo) {
+ this.loadSnapshot =
context.config().get(ComputerOptions.SNAPSHOT_LOAD);
+ this.writeSnapshot =
context.config().get(ComputerOptions.SNAPSHOT_WRITE);
+
+ this.sendManager = sendManager;
+ this.recvManager = recvManager;
+ this.recvManager.setSnapshotManager(this);
+
+ this.workerInfo = workerInfo;
+ this.partitioner =
context.config().createObject(ComputerOptions.WORKER_PARTITIONER);
+ this.partitionCount =
context.config().get(ComputerOptions.JOB_PARTITIONS_COUNT);
+ this.snapshotName =
context.config().get(ComputerOptions.SNAPSHOT_NAME);
+ }
+
+ @Override
+ public String name() {
+ return NAME;
+ }
+
+ @Override
+ public void init(Config config) {
+ String endpoint = config.get(ComputerOptions.SNAPSHOT_MINIO_ENDPOINT);
+ String accessKey =
config.get(ComputerOptions.SNAPSHOT_MINIO_ACCESS_KEY);
+ String secretKey =
config.get(ComputerOptions.SNAPSHOT_MINIO_SECRET_KEY);
+ this.bucketName =
config.get(ComputerOptions.SNAPSHOT_MINIO_BUCKET_NAME);
+ if (StringUtils.isNotEmpty(endpoint)) {
+ this.minioClient = MinioClient.builder()
+ .endpoint(endpoint)
+ .credentials(accessKey, secretKey)
+ .build();
+ }
+ }
+
+ @Override
+ public void close(Config config) {
+ // pass
+ }
+
+ public boolean loadSnapshot() {
+ return this.loadSnapshot;
+ }
+
+ public boolean writeSnapshot() {
+ return this.writeSnapshot;
+ }
+
+ public void upload(MessageType messageType, int partitionId, List<String>
outputFiles) {
+ if (this.loadSnapshot()) {
+ LOG.info("No later {} snapshots have to be uploaded",
+ messageType.name().toLowerCase(Locale.ROOT));
+ return;
+ }
+ this.uploadObjects(messageType, partitionId, outputFiles);
+ }
+
+ public void load() {
+ int id = this.workerInfo.id();
+ for (int partitionId = 0; partitionId < this.partitionCount;
partitionId++) {
+ if (this.partitioner.workerId(partitionId) == id) {
+ // TODO: Do not need to send control message to all workers
+ this.sendManager.startSend(MessageType.VERTEX);
+ this.downloadObjects(MessageType.VERTEX, partitionId);
+ this.sendManager.finishSend(MessageType.VERTEX);
+
+ this.sendManager.startSend(MessageType.EDGE);
+ this.downloadObjects(MessageType.EDGE, partitionId);
+ this.sendManager.finishSend(MessageType.EDGE);
+ }
+ }
+ }
+
+ private void uploadObjects(MessageType messageType, int partitionId,
+ List<String> outputFiles) {
+ String dirName = this.generateObjectDirName(messageType, partitionId);
+
+ try {
+ this.clearObjectsIfExist(dirName);
+ } catch (Exception e) {
+ throw new ComputerException("Failed to clear out-dated snapshots
from %s", dirName, e);
+ }
+
+ LOG.info("Upload {} snapshots for partition {}",
+ messageType.name().toLowerCase(Locale.ROOT), partitionId);
+ for (String outputFile : outputFiles) {
+ String objectName = dirName + new File(outputFile).getName();
+ this.uploadObject(outputFile, objectName);
+ }
+ }
+
+ private void downloadObjects(MessageType messageType, int partitionId) {
+ LOG.info("Load {} snapshots for partition {}",
+ messageType.name().toLowerCase(Locale.ROOT), partitionId);
+ String dirName = this.generateObjectDirName(messageType, partitionId);
+
+ try {
+ Iterable<Result<Item>> snapshotFiles =
this.minioClient.listObjects(
+ ListObjectsArgs.builder()
+ .bucket(this.bucketName)
+ .prefix(dirName)
+ .build());
+
+ if (!snapshotFiles.iterator().hasNext()) {
+ throw new ComputerException("Empty snapshot directory %s",
dirName);
+ }
+
+ for (Result<Item> result : snapshotFiles) {
+ Item item = result.get();
+ int size = (int) item.size();
+ String objectName = item.objectName();
+
+ String outputPath =
this.recvManager.genOutputPath(messageType, partitionId);
+ this.downloadObject(objectName, outputPath);
+
+ FileRegionBuffer fileRegionBuffer = new FileRegionBuffer(size,
outputPath);
+ this.recvManager.handle(messageType, partitionId,
fileRegionBuffer);
+ }
+ } catch (Exception e) {
+ throw new ComputerException("Failed to download snapshots from
%s", dirName, e);
+ }
+ }
+
+ private void uploadObject(String fileName, String objectName) {
+ try {
+ this.minioClient.uploadObject(UploadObjectArgs.builder()
+
.bucket(this.bucketName)
+ .object(objectName)
+ .filename(fileName)
+ .build());
+ } catch (Exception e) {
+ throw new ComputerException("Failed to upload snapshot %s to %s",
+ fileName, objectName, e);
+ }
+ }
+
+ private void downloadObject(String objectName, String outputPath) {
+ try {
+ this.minioClient.downloadObject(DownloadObjectArgs.builder()
+
.bucket(this.bucketName)
+
.object(objectName)
+
.filename(outputPath)
+ .build());
+ } catch (Exception e) {
+ throw new ComputerException("Failed to download snapshot from %s
to %s",
+ objectName, outputPath, e);
+ }
+ }
+
+ private void clearObjectsIfExist(String dirName) throws Exception {
+ List<DeleteObject> objects = new LinkedList<>();
+ Iterable<Result<Item>> snapshotFiles = this.minioClient.listObjects(
+ ListObjectsArgs.builder()
+ .bucket(this.bucketName)
+ .prefix(dirName)
+ .build());
+ if (!snapshotFiles.iterator().hasNext()) {
+ return;
+ }
+
+ LOG.info("Clear out-dated snapshots from {} first", dirName);
+ for (Result<Item> result : snapshotFiles) {
+ Item item = result.get();
+ objects.add(new DeleteObject(item.objectName()));
+ }
+ Iterable<Result<DeleteError>> results =
+ minioClient.removeObjects(RemoveObjectsArgs.builder()
+
.bucket(this.bucketName)
+ .objects(objects)
+ .build());
+ for (Result<DeleteError> result : results) {
+ DeleteError error = result.get();
+ throw new ComputerException("Failed to delete snapshot %s, error
message: %s",
+ error.objectName(), error.message());
+ }
+ }
+
+ private String generateObjectDirName(MessageType messageType, int
partitionId) {
+ // dir name:
{SNAPSHOT_NAME}/{PARTITIONER}/{PARTITION_COUNT}/VERTEX/{PARTITION_ID}/
+ Path path = Paths.get(this.snapshotName,
+ this.partitioner.getClass().getSimpleName(),
+ String.valueOf(this.partitionCount),
+ messageType.name(),
+ String.valueOf(partitionId));
+ return path + "/";
+ }
+}
diff --git
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/worker/WorkerService.java
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/worker/WorkerService.java
index 901d9ad2..48af87c6 100644
---
a/computer-core/src/main/java/org/apache/hugegraph/computer/core/worker/WorkerService.java
+++
b/computer-core/src/main/java/org/apache/hugegraph/computer/core/worker/WorkerService.java
@@ -47,6 +47,7 @@ import
org.apache.hugegraph.computer.core.network.connection.TransportConnection
import org.apache.hugegraph.computer.core.receiver.MessageRecvManager;
import org.apache.hugegraph.computer.core.rpc.WorkerRpcManager;
import org.apache.hugegraph.computer.core.sender.MessageSendManager;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.sorting.RecvSortManager;
import org.apache.hugegraph.computer.core.sort.sorting.SendSortManager;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
@@ -322,8 +323,15 @@ public class WorkerService implements Closeable {
clientManager.sender());
this.managers.add(sendManager);
+ SnapshotManager snapshotManager = new SnapshotManager(this.context,
+ sendManager,
+ recvManager,
+ this.workerInfo);
+ this.managers.add(snapshotManager);
+
WorkerInputManager inputManager = new WorkerInputManager(this.context,
- sendManager);
+ sendManager,
+
snapshotManager);
inputManager.service(rpcManager.inputSplitService());
this.managers.add(inputManager);
diff --git a/computer-dist/release-docs/LICENSE
b/computer-dist/release-docs/LICENSE
index 251a0797..3bd66078 100644
--- a/computer-dist/release-docs/LICENSE
+++ b/computer-dist/release-docs/LICENSE
@@ -335,6 +335,7 @@ The following components are provided under the Apache 2.0
License.
(Apache License, Version 2.0) * Guava: Google Core Libraries for
Java(com.google.guava:guava:25.1-jre-none )
(Apache License, Version 2.0) * LZ4 and xxHash(org.lz4:lz4-java:1.4.0-none
)
(Apache License, Version 2.0) * Metrics
Core(io.dropwizard.metrics:metrics-core:3.2.6-none )
+ (Apache License, Version 2.0) * Minio(io.minio:minio:8.5.6-https://min.io )
(Apache License, Version 2.0) *
Netty/All-in-One(io.netty:netty-all:4.1.42.Final-none )
(Apache License, Version 2.0) *
OkHttp(com.squareup.okhttp:okhttp:2.7.5-none )
(Apache License, Version 2.0) *
hugegraph-rpc(com.baidu.hugegraph:hugegraph-rpc:2.0.1-none )
diff --git a/computer-dist/release-docs/licenses/LICENSE-minio.txt
b/computer-dist/release-docs/licenses/LICENSE-minio.txt
new file mode 100644
index 00000000..d6456956
--- /dev/null
+++ b/computer-dist/release-docs/licenses/LICENSE-minio.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ "Work" shall mean the work of authorship, whether in Source or
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+ "Contribution" shall mean any work of authorship, including
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
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+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ whether in tort (including negligence), contract, or otherwise,
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+ on Your own behalf and on Your sole responsibility, not on behalf
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+ of your accepting any such warranty or additional liability.
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+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
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+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
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+ Copyright [yyyy] [name of copyright owner]
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+ Licensed under the Apache License, Version 2.0 (the "License");
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+ 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.
diff --git a/computer-test/pom.xml b/computer-test/pom.xml
index 76f992b0..4b55da32 100644
--- a/computer-test/pom.xml
+++ b/computer-test/pom.xml
@@ -53,6 +53,10 @@
<artifactId>okhttp</artifactId>
<groupId>com.squareup.okhttp</groupId>
</exclusion>
+ <exclusion>
+ <artifactId>okhttp</artifactId>
+ <groupId>com.squareup.okhttp3</groupId>
+ </exclusion>
</exclusions>
</dependency>
<dependency>
diff --git
a/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/ComputeManagerTest.java
b/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/ComputeManagerTest.java
index c4052497..63f0c5b2 100644
---
a/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/ComputeManagerTest.java
+++
b/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/ComputeManagerTest.java
@@ -47,6 +47,7 @@ import
org.apache.hugegraph.computer.core.network.message.MessageType;
import org.apache.hugegraph.computer.core.receiver.MessageRecvManager;
import org.apache.hugegraph.computer.core.receiver.ReceiverUtil;
import org.apache.hugegraph.computer.core.sender.MessageSendManager;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.sorting.SendSortManager;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
import org.apache.hugegraph.computer.core.store.FileManager;
@@ -104,6 +105,11 @@ public class ComputeManagerTest extends UnitTestBase {
fileManager,
sortManager);
this.managers.add(receiveManager);
+ SnapshotManager snapshotManager = new SnapshotManager(context(),
+ null,
+ receiveManager,
+ null);
+ this.managers.add(snapshotManager);
this.managers.initAll(this.config);
this.connectionId = new ConnectionId(new InetSocketAddress("localhost",
8081),
@@ -225,7 +231,7 @@ public class ComputeManagerTest extends UnitTestBase {
message.add(id);
ReceiverUtil.consumeBuffer(ReceiverUtil.writeMessage(id,
message),
- consumer);
+ consumer);
}
}
}
diff --git
a/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/input/EdgesInputTest.java
b/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/input/EdgesInputTest.java
index c2126d1b..f164d868 100644
---
a/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/input/EdgesInputTest.java
+++
b/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/input/EdgesInputTest.java
@@ -51,6 +51,7 @@ import
org.apache.hugegraph.computer.core.network.message.MessageType;
import org.apache.hugegraph.computer.core.receiver.MessageRecvManager;
import org.apache.hugegraph.computer.core.receiver.ReceiverUtil;
import org.apache.hugegraph.computer.core.sender.MessageSendManager;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.flusher.PeekableIterator;
import org.apache.hugegraph.computer.core.sort.sorting.SendSortManager;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
@@ -137,6 +138,11 @@ public class EdgesInputTest extends UnitTestBase {
fileManager,
sortManager);
this.managers.add(receiveManager);
+ SnapshotManager snapshotManager = new SnapshotManager(context(),
+ null,
+ receiveManager,
+ null);
+ this.managers.add(snapshotManager);
this.managers.initAll(this.config);
ConnectionId connectionId = new ConnectionId(new InetSocketAddress(
"localhost", 8081),
diff --git
a/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/input/MessageInputTest.java
b/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/input/MessageInputTest.java
index 36361380..e2ad3de5 100644
---
a/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/input/MessageInputTest.java
+++
b/computer-test/src/main/java/org/apache/hugegraph/computer/core/compute/input/MessageInputTest.java
@@ -41,6 +41,7 @@ import
org.apache.hugegraph.computer.core.network.buffer.NetworkBuffer;
import org.apache.hugegraph.computer.core.network.message.MessageType;
import org.apache.hugegraph.computer.core.receiver.MessageRecvManager;
import org.apache.hugegraph.computer.core.receiver.ReceiverUtil;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.flusher.PeekableIterator;
import org.apache.hugegraph.computer.core.sort.sorting.RecvSortManager;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
@@ -90,6 +91,11 @@ public class MessageInputTest extends UnitTestBase {
fileManager,
sortManager);
this.managers.add(receiveManager);
+ SnapshotManager snapshotManager = new SnapshotManager(context(),
+ null,
+ receiveManager,
+ null);
+ this.managers.add(snapshotManager);
this.managers.initAll(this.config);
this.connectionId = new ConnectionId(new InetSocketAddress("localhost",
8081),
diff --git
a/computer-test/src/main/java/org/apache/hugegraph/computer/core/network/DataServerManagerTest.java
b/computer-test/src/main/java/org/apache/hugegraph/computer/core/network/DataServerManagerTest.java
index 89029ec1..cf8e3e61 100644
---
a/computer-test/src/main/java/org/apache/hugegraph/computer/core/network/DataServerManagerTest.java
+++
b/computer-test/src/main/java/org/apache/hugegraph/computer/core/network/DataServerManagerTest.java
@@ -25,6 +25,7 @@ import org.apache.hugegraph.computer.core.config.Config;
import org.apache.hugegraph.computer.core.network.connection.ConnectionManager;
import
org.apache.hugegraph.computer.core.network.connection.TransportConnectionManager;
import org.apache.hugegraph.computer.core.receiver.MessageRecvManager;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.sorting.RecvSortManager;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
import org.apache.hugegraph.computer.core.store.FileManager;
@@ -55,6 +56,10 @@ public class DataServerManagerTest extends UnitTestBase {
MessageRecvManager recvManager = new MessageRecvManager(context(),
fileManager,
sortManager);
+ SnapshotManager snapshotManager = new SnapshotManager(context(),
+ null,
+ recvManager,
+ null);
recvManager.init(config);
ConnectionManager connManager = new TransportConnectionManager();
DataServerManager serverManager = new DataServerManager(connManager,
diff --git
a/computer-test/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvManagerTest.java
b/computer-test/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvManagerTest.java
index 3942b4ef..b423d386 100644
---
a/computer-test/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvManagerTest.java
+++
b/computer-test/src/main/java/org/apache/hugegraph/computer/core/receiver/MessageRecvManagerTest.java
@@ -32,6 +32,7 @@ import
org.apache.hugegraph.computer.core.network.message.MessageType;
import
org.apache.hugegraph.computer.core.receiver.edge.EdgeMessageRecvPartitionTest;
import
org.apache.hugegraph.computer.core.receiver.message.ComputeMessageRecvPartitionTest;
import
org.apache.hugegraph.computer.core.receiver.vertex.VertexMessageRecvPartitionTest;
+import org.apache.hugegraph.computer.core.snapshot.SnapshotManager;
import org.apache.hugegraph.computer.core.sort.flusher.PeekableIterator;
import org.apache.hugegraph.computer.core.sort.sorting.RecvSortManager;
import org.apache.hugegraph.computer.core.sort.sorting.SortManager;
@@ -49,6 +50,7 @@ public class MessageRecvManagerTest extends UnitTestBase {
private FileManager fileManager;
private SortManager sortManager;
private MessageRecvManager receiveManager;
+ private SnapshotManager snapshotManager;
private ConnectionId connectionId;
@Before
@@ -73,6 +75,10 @@ public class MessageRecvManagerTest extends UnitTestBase {
this.receiveManager = new MessageRecvManager(context(),
this.fileManager,
this.sortManager);
+ this.snapshotManager = new SnapshotManager(context(),
+ null,
+ receiveManager,
+ null);
this.receiveManager.init(this.config);
this.connectionId = new ConnectionId(
new InetSocketAddress("localhost",8081),
diff --git a/pom.xml b/pom.xml
index 028af9b3..2784670b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -104,6 +104,7 @@
<hugegraph-client-version>1.0.0</hugegraph-client-version>
<hugegraph-rpc-version>1.0.0</hugegraph-rpc-version>
<hugegraph-loader-version>1.0.0</hugegraph-loader-version>
+ <minio-version>8.5.6</minio-version>
</properties>
<modules>
