sarankk commented on code in PR #214: URL: https://github.com/apache/cassandra-analytics/pull/214#discussion_r3365178212
########## cassandra-analytics-core/src/main/java/org/apache/cassandra/spark/bulkwriter/TrackedDirectStreamSession.java: ########## @@ -0,0 +1,70 @@ +/* + * 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.cassandra.spark.bulkwriter; + +import java.math.BigInteger; +import java.util.Set; +import java.util.concurrent.ExecutorService; + +import com.google.common.collect.Range; + +import org.apache.cassandra.bridge.SSTableDescriptor; +import org.apache.cassandra.spark.bulkwriter.token.ReplicaAwareFailureHandler; + +/** + * Stream session for bulk writes to keyspaces with mutation tracking enabled. + * + * <p> + * Tracked stream session uploads and triggers import on the <em>coordinator node only</em>. Cassandra's coordinated + * transfer then propagates the data to all other replicas, avoiding the duplicate-row updates that would occur if each + * replica independently streamed the data to its peers. + * <p> + */ +public class TrackedDirectStreamSession extends StreamSession<TransportContext.DirectDataBulkWriterContext> Review Comment: Yes we will create follow up JIRAs for S3 mode work -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
