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author | Timothy Chen <tnachen@gmail.com> | 2015-08-03 01:55:58 -0700 |
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committer | Andrew Or <andrew@databricks.com> | 2015-08-03 01:55:58 -0700 |
commit | 95dccc63350c45045f038bab9f8a5080b4e1f8cc (patch) | |
tree | c6ac9b266234a3d349ce4ada3a80a17adc7744fc /network/shuffle | |
parent | 1ebd41b141a95ec264bd2dd50f0fe24cd459035d (diff) | |
download | spark-95dccc63350c45045f038bab9f8a5080b4e1f8cc.tar.gz spark-95dccc63350c45045f038bab9f8a5080b4e1f8cc.tar.bz2 spark-95dccc63350c45045f038bab9f8a5080b4e1f8cc.zip |
[SPARK-8873] [MESOS] Clean up shuffle files if external shuffle service is used
This patch builds directly on #7820, which is largely written by tnachen. The only addition is one commit for cleaning up the code. There should be no functional differences between this and #7820.
Author: Timothy Chen <tnachen@gmail.com>
Author: Andrew Or <andrew@databricks.com>
Closes #7881 from andrewor14/tim-cleanup-mesos-shuffle and squashes the following commits:
8894f7d [Andrew Or] Clean up code
2a5fa10 [Andrew Or] Merge branch 'mesos_shuffle_clean' of github.com:tnachen/spark into tim-cleanup-mesos-shuffle
fadff89 [Timothy Chen] Address comments.
e4d0f1d [Timothy Chen] Clean up external shuffle data on driver exit with Mesos.
Diffstat (limited to 'network/shuffle')
5 files changed, 149 insertions, 5 deletions
diff --git a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockHandler.java b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockHandler.java index e4faaf8854..db9dc4f17c 100644 --- a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockHandler.java +++ b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockHandler.java @@ -65,7 +65,13 @@ public class ExternalShuffleBlockHandler extends RpcHandler { @Override public void receive(TransportClient client, byte[] message, RpcResponseCallback callback) { BlockTransferMessage msgObj = BlockTransferMessage.Decoder.fromByteArray(message); + handleMessage(msgObj, client, callback); + } + protected void handleMessage( + BlockTransferMessage msgObj, + TransportClient client, + RpcResponseCallback callback) { if (msgObj instanceof OpenBlocks) { OpenBlocks msg = (OpenBlocks) msgObj; List<ManagedBuffer> blocks = Lists.newArrayList(); diff --git a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleClient.java b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleClient.java index 612bce571a..ea6d248d66 100644 --- a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleClient.java +++ b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleClient.java @@ -50,8 +50,8 @@ public class ExternalShuffleClient extends ShuffleClient { private final boolean saslEncryptionEnabled; private final SecretKeyHolder secretKeyHolder; - private TransportClientFactory clientFactory; - private String appId; + protected TransportClientFactory clientFactory; + protected String appId; /** * Creates an external shuffle client, with SASL optionally enabled. If SASL is not enabled, @@ -71,6 +71,10 @@ public class ExternalShuffleClient extends ShuffleClient { this.saslEncryptionEnabled = saslEncryptionEnabled; } + protected void checkInit() { + assert appId != null : "Called before init()"; + } + @Override public void init(String appId) { this.appId = appId; @@ -89,7 +93,7 @@ public class ExternalShuffleClient extends ShuffleClient { final String execId, String[] blockIds, BlockFetchingListener listener) { - assert appId != null : "Called before init()"; + checkInit(); logger.debug("External shuffle fetch from {}:{} (executor id {})", host, port, execId); try { RetryingBlockFetcher.BlockFetchStarter blockFetchStarter = @@ -132,7 +136,7 @@ public class ExternalShuffleClient extends ShuffleClient { int port, String execId, ExecutorShuffleInfo executorInfo) throws IOException { - assert appId != null : "Called before init()"; + checkInit(); TransportClient client = clientFactory.createClient(host, port); byte[] registerMessage = new RegisterExecutor(appId, execId, executorInfo).toByteArray(); client.sendRpcSync(registerMessage, 5000 /* timeoutMs */); diff --git a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/mesos/MesosExternalShuffleClient.java b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/mesos/MesosExternalShuffleClient.java new file mode 100644 index 0000000000..7543b6be4f --- /dev/null +++ b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/mesos/MesosExternalShuffleClient.java @@ -0,0 +1,72 @@ +/* + * 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.spark.network.shuffle.mesos; + +import java.io.IOException; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.spark.network.client.RpcResponseCallback; +import org.apache.spark.network.client.TransportClient; +import org.apache.spark.network.sasl.SecretKeyHolder; +import org.apache.spark.network.shuffle.ExternalShuffleClient; +import org.apache.spark.network.shuffle.protocol.mesos.RegisterDriver; +import org.apache.spark.network.util.TransportConf; + +/** + * A client for talking to the external shuffle service in Mesos coarse-grained mode. + * + * This is used by the Spark driver to register with each external shuffle service on the cluster. + * The reason why the driver has to talk to the service is for cleaning up shuffle files reliably + * after the application exits. Mesos does not provide a great alternative to do this, so Spark + * has to detect this itself. + */ +public class MesosExternalShuffleClient extends ExternalShuffleClient { + private final Logger logger = LoggerFactory.getLogger(MesosExternalShuffleClient.class); + + /** + * Creates an Mesos external shuffle client that wraps the {@link ExternalShuffleClient}. + * Please refer to docs on {@link ExternalShuffleClient} for more information. + */ + public MesosExternalShuffleClient( + TransportConf conf, + SecretKeyHolder secretKeyHolder, + boolean saslEnabled, + boolean saslEncryptionEnabled) { + super(conf, secretKeyHolder, saslEnabled, saslEncryptionEnabled); + } + + public void registerDriverWithShuffleService(String host, int port) throws IOException { + checkInit(); + byte[] registerDriver = new RegisterDriver(appId).toByteArray(); + TransportClient client = clientFactory.createClient(host, port); + client.sendRpc(registerDriver, new RpcResponseCallback() { + @Override + public void onSuccess(byte[] response) { + logger.info("Successfully registered app " + appId + " with external shuffle service."); + } + + @Override + public void onFailure(Throwable e) { + logger.warn("Unable to register app " + appId + " with external shuffle service. " + + "Please manually remove shuffle data after driver exit. Error: " + e); + } + }); + } +} diff --git a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/BlockTransferMessage.java b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/BlockTransferMessage.java index 6c1210b332..fcb52363e6 100644 --- a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/BlockTransferMessage.java +++ b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/BlockTransferMessage.java @@ -21,6 +21,7 @@ import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import org.apache.spark.network.protocol.Encodable; +import org.apache.spark.network.shuffle.protocol.mesos.RegisterDriver; /** * Messages handled by the {@link org.apache.spark.network.shuffle.ExternalShuffleBlockHandler}, or @@ -37,7 +38,7 @@ public abstract class BlockTransferMessage implements Encodable { /** Preceding every serialized message is its type, which allows us to deserialize it. */ public static enum Type { - OPEN_BLOCKS(0), UPLOAD_BLOCK(1), REGISTER_EXECUTOR(2), STREAM_HANDLE(3); + OPEN_BLOCKS(0), UPLOAD_BLOCK(1), REGISTER_EXECUTOR(2), STREAM_HANDLE(3), REGISTER_DRIVER(4); private final byte id; @@ -60,6 +61,7 @@ public abstract class BlockTransferMessage implements Encodable { case 1: return UploadBlock.decode(buf); case 2: return RegisterExecutor.decode(buf); case 3: return StreamHandle.decode(buf); + case 4: return RegisterDriver.decode(buf); default: throw new IllegalArgumentException("Unknown message type: " + type); } } diff --git a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/mesos/RegisterDriver.java b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/mesos/RegisterDriver.java new file mode 100644 index 0000000000..1c28fc1dff --- /dev/null +++ b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/mesos/RegisterDriver.java @@ -0,0 +1,60 @@ +/* + * 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.spark.network.shuffle.protocol.mesos; + +import com.google.common.base.Objects; +import io.netty.buffer.ByteBuf; + +import org.apache.spark.network.protocol.Encoders; +import org.apache.spark.network.shuffle.protocol.BlockTransferMessage; + +/** + * A message sent from the driver to register with the MesosExternalShuffleService. + */ +public class RegisterDriver extends BlockTransferMessage { + private final String appId; + + public RegisterDriver(String appId) { + this.appId = appId; + } + + public String getAppId() { return appId; } + + @Override + protected Type type() { return Type.REGISTER_DRIVER; } + + @Override + public int encodedLength() { + return Encoders.Strings.encodedLength(appId); + } + + @Override + public void encode(ByteBuf buf) { + Encoders.Strings.encode(buf, appId); + } + + @Override + public int hashCode() { + return Objects.hashCode(appId); + } + + public static RegisterDriver decode(ByteBuf buf) { + String appId = Encoders.Strings.decode(buf); + return new RegisterDriver(appId); + } +} |