Victsm commented on a change in pull request #29855: URL: https://github.com/apache/spark/pull/29855#discussion_r494501167
########## File path: common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/OneForOneBlockPusher.java ########## @@ -0,0 +1,125 @@ +/* + * 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; + +import java.nio.ByteBuffer; +import java.util.Arrays; +import java.util.Map; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.spark.network.buffer.ManagedBuffer; +import org.apache.spark.network.buffer.NioManagedBuffer; +import org.apache.spark.network.client.RpcResponseCallback; +import org.apache.spark.network.client.TransportClient; +import org.apache.spark.network.shuffle.protocol.BlockTransferMessage; +import org.apache.spark.network.shuffle.protocol.PushBlockStream; + +/** + * Similar to {@link OneForOneBlockFetcher}, but for pushing blocks to remote shuffle service to + * be merged instead of for fetching them from remote shuffle services. This is used by + * ShuffleWriter when the block push process is initiated. The supplied BlockFetchingListener + * is used to handle the success or failure in pushing each blocks. + */ +public class OneForOneBlockPusher { + private static final Logger logger = LoggerFactory.getLogger(OneForOneBlockPusher.class); + + private final TransportClient client; + private final String appId; + private final String[] blockIds; + private final BlockFetchingListener listener; + private final RpcResponseCallback callback; + private final Map<String, ManagedBuffer> buffers; + + public OneForOneBlockPusher( + TransportClient client, + String appId, + String[] blockIds, + BlockFetchingListener listener, Review comment: It's going to be the exact same API. As commented in this PR, we are thinking of renaming BlockFetchingListener and RetryingBlockFetcher, both of which are reused for block fetch/push, to BlockTransferListener and RetryingBlockTransferor for more appropriate naming. This change is not included in this PR to reduce the number of files we touch. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
