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Java StreamExecutionEnvironment.setBufferTimeout方法代码示例

本文整理汇总了Java中org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.setBufferTimeout方法的典型用法代码示例。如果您正苦于以下问题:Java StreamExecutionEnvironment.setBufferTimeout方法的具体用法?Java StreamExecutionEnvironment.setBufferTimeout怎么用?Java StreamExecutionEnvironment.setBufferTimeout使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在org.apache.flink.streaming.api.environment.StreamExecutionEnvironment的用法示例。


在下文中一共展示了StreamExecutionEnvironment.setBufferTimeout方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: runPartitioningProgram

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //导入方法依赖的package包/类
private static void runPartitioningProgram(int jobManagerPort, int parallelism) throws Exception {
	StreamExecutionEnvironment env = StreamExecutionEnvironment.createRemoteEnvironment("localhost", jobManagerPort);
	env.setParallelism(parallelism);
	env.getConfig().enableObjectReuse();

	env.setBufferTimeout(5L);
	env.enableCheckpointing(1000, CheckpointingMode.AT_LEAST_ONCE);

	env
		.addSource(new TimeStampingSource())
		.map(new IdMapper<Tuple2<Long, Long>>())
		.keyBy(0)
		.addSink(new TimestampingSink());

	env.execute("Partitioning Program");
}
 
开发者ID:axbaretto,项目名称:flink,代码行数:17,代码来源:StreamingScalabilityAndLatency.java

示例2: setupExecutionEnvironment

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //导入方法依赖的package包/类
public static final StreamExecutionEnvironment setupExecutionEnvironment(AppConfiguration config) {
	final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();	
	env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime);
	//env.getConfig().setAutoWatermarkInterval(1000000);
	env.setBufferTimeout(config.getBufferTimeout());
	
	return env;
}
 
开发者ID:3Cores,项目名称:sostream,代码行数:9,代码来源:EnvConfigurator.java

示例3: runMultipleSourcesOnePartitionExactlyOnceTest

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //导入方法依赖的package包/类
/**
 * Tests the proper consumption when having more Flink sources than Kafka partitions, which means
 * that some Flink sources will read no partitions.
 */
public void runMultipleSourcesOnePartitionExactlyOnceTest() throws Exception {
	final String topic = "manyToOneTopic";
	final int numPartitions = 5;
	final int numElementsPerPartition = 1000;
	final int totalElements = numPartitions * numElementsPerPartition;
	final int failAfterElements = numElementsPerPartition / 3;

	final int parallelism = 8;

	createTestTopic(topic, numPartitions, 1);

	DataGenerators.generateRandomizedIntegerSequence(
			StreamExecutionEnvironment.getExecutionEnvironment(),
			kafkaServer,
			topic,
			numPartitions,
			numElementsPerPartition,
			true);

	// run the topology that fails and recovers

	DeserializationSchema<Integer> schema =
			new TypeInformationSerializationSchema<>(BasicTypeInfo.INT_TYPE_INFO, new ExecutionConfig());

	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
	env.enableCheckpointing(500);
	env.setParallelism(parallelism);
	// set the number of restarts to one. The failing mapper will fail once, then it's only success exceptions.
	env.setRestartStrategy(RestartStrategies.fixedDelayRestart(1, 0));
	env.getConfig().disableSysoutLogging();
	env.setBufferTimeout(0);

	Properties props = new Properties();
	props.putAll(standardProps);
	props.putAll(secureProps);
	FlinkKafkaConsumerBase<Integer> kafkaSource = kafkaServer.getConsumer(topic, schema, props);

	env
		.addSource(kafkaSource)
		.map(new PartitionValidatingMapper(numPartitions, 1))
		.map(new FailingIdentityMapper<Integer>(failAfterElements))
		.addSink(new ValidatingExactlyOnceSink(totalElements)).setParallelism(1);

	FailingIdentityMapper.failedBefore = false;
	tryExecute(env, "multi-source-one-partitions exactly once test");

	deleteTestTopic(topic);
}
 
开发者ID:axbaretto,项目名称:flink,代码行数:53,代码来源:KafkaConsumerTestBase.java

示例4: runMultipleSourcesOnePartitionExactlyOnceTest

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //导入方法依赖的package包/类
/**
 * Tests the proper consumption when having more Flink sources than Kafka partitions, which means
 * that some Flink sources will read no partitions.
 */
public void runMultipleSourcesOnePartitionExactlyOnceTest() throws Exception {
	final String topic = "manyToOneTopic";
	final int numPartitions = 5;
	final int numElementsPerPartition = 1000;
	final int totalElements = numPartitions * numElementsPerPartition;
	final int failAfterElements = numElementsPerPartition / 3;

	final int parallelism = 8;

	createTestTopic(topic, numPartitions, 1);

	DataGenerators.generateRandomizedIntegerSequence(
			StreamExecutionEnvironment.createRemoteEnvironment("localhost", flinkPort),
			kafkaServer,
			topic, numPartitions, numElementsPerPartition, true);

	// run the topology that fails and recovers

	DeserializationSchema<Integer> schema =
			new TypeInformationSerializationSchema<>(BasicTypeInfo.INT_TYPE_INFO, new ExecutionConfig());

	StreamExecutionEnvironment env = StreamExecutionEnvironment.createRemoteEnvironment("localhost", flinkPort);
	env.enableCheckpointing(500);
	env.setParallelism(parallelism);
	// set the number of restarts to one. The failing mapper will fail once, then it's only success exceptions.
	env.setRestartStrategy(RestartStrategies.fixedDelayRestart(1, 0));
	env.getConfig().disableSysoutLogging();
	env.setBufferTimeout(0);

	Properties props = new Properties();
	props.putAll(standardProps);
	props.putAll(secureProps);
	FlinkKafkaConsumerBase<Integer> kafkaSource = kafkaServer.getConsumer(topic, schema, props);

	env
		.addSource(kafkaSource)
		.map(new PartitionValidatingMapper(numPartitions, 1))
		.map(new FailingIdentityMapper<Integer>(failAfterElements))
		.addSink(new ValidatingExactlyOnceSink(totalElements)).setParallelism(1);

	FailingIdentityMapper.failedBefore = false;
	tryExecute(env, "multi-source-one-partitions exactly once test");


	deleteTestTopic(topic);
}
 
开发者ID:axbaretto,项目名称:flink,代码行数:51,代码来源:KafkaConsumerTestBase.java


注:本文中的org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.setBufferTimeout方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。