[STREAMING] SPARK-1729. Make Flume pull data from source, rather than the current pu... #807
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <!-- | ||
| ~ 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. | ||
| --> | ||
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| <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
| <parent> | ||
| <groupId>org.apache.spark</groupId> | ||
| <artifactId>spark-parent</artifactId> | ||
| <version>1.0.0-SNAPSHOT</version> | ||
| <relativePath>../../pom.xml</relativePath> | ||
| </parent> | ||
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| <artifactId>spark-streaming-flume-sink_2.10</artifactId> | ||
| <packaging>jar</packaging> | ||
| <name>Spark Project External Flume Sink</name> | ||
| <url>http://spark.apache.org/</url> | ||
| <dependencies> | ||
| <dependency> | ||
| <groupId>org.apache.flume</groupId> | ||
| <artifactId>flume-ng-sdk</artifactId> | ||
| <version>1.4.0</version> | ||
| <exclusions> | ||
| <exclusion> | ||
| <groupId>org.jboss.netty</groupId> | ||
| <artifactId>netty</artifactId> | ||
| </exclusion> | ||
| <exclusion> | ||
| <groupId>org.apache.thrift</groupId> | ||
| <artifactId>libthrift</artifactId> | ||
| </exclusion> | ||
| </exclusions> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.apache.flume</groupId> | ||
| <artifactId>flume-ng-core</artifactId> | ||
| <version>1.4.0</version> | ||
| </dependency> | ||
| </dependencies> | ||
| <build> | ||
| <outputDirectory>target/scala-${scala.binary.version}/classes</outputDirectory> | ||
| <testOutputDirectory>target/scala-${scala.binary.version}/test-classes</testOutputDirectory> | ||
| <plugins> | ||
| <plugin> | ||
| <groupId>org.scalatest</groupId> | ||
| <artifactId>scalatest-maven-plugin</artifactId> | ||
| </plugin> | ||
| <plugin> | ||
| <groupId>org.apache.avro</groupId> | ||
| <artifactId>avro-maven-plugin</artifactId> | ||
| <version>1.7.3</version> | ||
| <configuration> | ||
| <stringType>String</stringType> | ||
| <!-- Generate the output in the same directory as the sbt-avro-plugin --> | ||
| <outputDirectory>${project.basedir}/target/scala-${scala.binary.version}/src_managed/main/compiled_avro</outputDirectory> | ||
| </configuration> | ||
| <executions> | ||
| <execution> | ||
| <phase>generate-sources</phase> | ||
| <goals> | ||
| <goal>idl-protocol</goal> | ||
| </goals> | ||
| </execution> | ||
| </executions> | ||
| </plugin> | ||
| </plugins> | ||
| </build> | ||
| </project> | ||
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| /** | ||
| * 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. | ||
| */ | ||
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| @namespace("org.apache.spark.flume") | ||
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| protocol SparkFlumeProtocol { | ||
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| record SparkSinkEvent { | ||
| map<string> headers; | ||
| bytes body; | ||
| } | ||
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| record EventBatch { | ||
| string sequenceNumber; | ||
| array<SparkSinkEvent> eventBatch; | ||
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Contributor
There was a problem hiding this comment. nit: its becomes a little awkward to have a class |
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| } | ||
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| EventBatch getEventBatch (int n); | ||
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| void ack (string sequenceNumber); | ||
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| void nack (string sequenceNumber); | ||
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| } | ||
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Pardon for jumping in with comments, but why a new module instead of external/flume?
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The sink will be deployed to a Flume agent and not within the spark application. Adding it in external/flume would require that all of the spark dependencies be bundled with the jar, while keeping this module separate (which does not depend on the rest of Spark) allows the user to simply deploy this jar to the Flume plugins directory. In fact, this module does not have any dependencies that Flume already does not pull in by default.