org.apache.storm.hdfs.bolt.rotation.FileSizeRotationPolicy Java Examples
The following examples show how to use
org.apache.storm.hdfs.bolt.rotation.FileSizeRotationPolicy.
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Example #1
Source File: SourceHandlerTest.java From metron with Apache License 2.0 | 6 votes |
@Test public void testRotateOutputFile() throws IOException { SourceHandler handler = new SourceHandler( rotActions, new FileSizeRotationPolicy(10000, Units.MB), // Don't actually care about the rotation new CountSyncPolicy(1), testFormat, callback ); handler.rotateOutputFile(); // Function should ensure rotation actions and callback are called. verify(rotAction1).execute(any(), any()); verify(rotAction2).execute(any(), any()); verify(callback).removeKey(); }
Example #2
Source File: MovingAvgLocalTopologyRunner.java From hadoop-arch-book with Apache License 2.0 | 6 votes |
/** * Create bolt which will persist ticks to HDFS. */ private static HdfsBolt createHdfsBolt() { // Use "|" instead of "," for field delimiter: RecordFormat format = new DelimitedRecordFormat() .withFieldDelimiter("|"); // sync the filesystem after every 1k tuples: SyncPolicy syncPolicy = new CountSyncPolicy(100); // Rotate files when they reach 5MB: FileRotationPolicy rotationPolicy = new FileSizeRotationPolicy(5.0f, Units.MB); // Write records to <user>/stock-ticks/ directory in HDFS: FileNameFormat fileNameFormat = new DefaultFileNameFormat() .withPath("stock-ticks/"); HdfsBolt hdfsBolt = new HdfsBolt() .withFsUrl("hdfs://localhost:8020") .withFileNameFormat(fileNameFormat) .withRecordFormat(format) .withRotationPolicy(rotationPolicy) .withSyncPolicy(syncPolicy); return hdfsBolt; }
Example #3
Source File: WARCHdfsBolt.java From storm-crawler with Apache License 2.0 | 5 votes |
public WARCHdfsBolt() { super(); FileSizeRotationPolicy rotpol = new FileSizeRotationPolicy(1.0f, Units.GB); withRotationPolicy(rotpol); // dummy sync policy withSyncPolicy(new CountSyncPolicy(10)); // default local filesystem withFsUrl("file:///"); }
Example #4
Source File: HdfsTopology.java From storm-kafka-examples with Apache License 2.0 | 4 votes |
public static void main(String[] args) { try{ String zkhost = "wxb-1:2181,wxb-2:2181,wxb-3:2181"; String topic = "order"; String groupId = "id"; int spoutNum = 3; int boltNum = 1; ZkHosts zkHosts = new ZkHosts(zkhost);//kafaka所在的zookeeper SpoutConfig spoutConfig = new SpoutConfig(zkHosts, topic, "/order", groupId); // create /order /id spoutConfig.scheme = new SchemeAsMultiScheme(new StringScheme()); KafkaSpout kafkaSpout = new KafkaSpout(spoutConfig); // HDFS bolt // use "|" instead of "," for field delimiter RecordFormat format = new DelimitedRecordFormat() .withFieldDelimiter("|"); // sync the filesystem after every 1k tuples SyncPolicy syncPolicy = new CountSyncPolicy(1000); // rotate files when they reach 5MB FileRotationPolicy rotationPolicy = new FileSizeRotationPolicy(5.0f, FileSizeRotationPolicy.Units.MB); // FileRotationPolicy rotationPolicy = new TimedRotationPolicy(1.0f, TimedRotationPolicy.TimeUnit.MINUTES); FileNameFormat fileNameFormat = new DefaultFileNameFormat() .withPath("/tmp/").withPrefix("order_").withExtension(".log"); HdfsBolt hdfsBolt = new HdfsBolt() .withFsUrl("hdfs://wxb-1:8020") .withFileNameFormat(fileNameFormat) .withRecordFormat(format) .withRotationPolicy(rotationPolicy) .withSyncPolicy(syncPolicy); TopologyBuilder builder = new TopologyBuilder(); builder.setSpout("spout", kafkaSpout, spoutNum); builder.setBolt("check", new CheckOrderBolt(), boltNum).shuffleGrouping("spout"); builder.setBolt("counter", new CounterBolt(),boltNum).shuffleGrouping("check"); builder.setBolt("hdfs", hdfsBolt,boltNum).shuffleGrouping("counter"); Config config = new Config(); config.setDebug(true); if(args!=null && args.length > 0) { config.setNumWorkers(2); StormSubmitter.submitTopology(args[0], config, builder.createTopology()); } else { config.setMaxTaskParallelism(2); LocalCluster cluster = new LocalCluster(); cluster.submitTopology("Wordcount-Topology", config, builder.createTopology()); Thread.sleep(500000); cluster.shutdown(); } }catch (Exception e) { e.printStackTrace(); } }
Example #5
Source File: TopologyRunner.java From opensoc-streaming with Apache License 2.0 | 4 votes |
private boolean initializeHDFSBolt(String topology_name, String name) { try { String messageUpstreamComponent = messageComponents .get(messageComponents.size() - 1); System.out.println("[OpenSOC] ------" + name + " is initializing from " + messageUpstreamComponent); RecordFormat format = new DelimitedRecordFormat() .withFieldDelimiter( config.getString("bolt.hdfs.field.delimiter") .toString()).withFields( new Fields("message")); // sync the file system after every x number of tuples SyncPolicy syncPolicy = new CountSyncPolicy(Integer.valueOf(config .getString("bolt.hdfs.batch.size").toString())); // rotate files when they reach certain size FileRotationPolicy rotationPolicy = new FileSizeRotationPolicy( Float.valueOf(config.getString( "bolt.hdfs.file.rotation.size.in.mb").toString()), Units.MB); FileNameFormat fileNameFormat = new DefaultFileNameFormat() .withPath(config.getString("bolt.hdfs.wip.file.path") .toString()); // Post rotate action MoveFileAction moveFileAction = (new MoveFileAction()) .toDestination(config.getString( "bolt.hdfs.finished.file.path").toString()); HdfsBolt hdfsBolt = new HdfsBolt() .withFsUrl( config.getString("bolt.hdfs.file.system.url") .toString()) .withFileNameFormat(fileNameFormat) .withRecordFormat(format) .withRotationPolicy(rotationPolicy) .withSyncPolicy(syncPolicy) .addRotationAction(moveFileAction); if (config.getString("bolt.hdfs.compression.codec.class") != null) { hdfsBolt.withCompressionCodec(config.getString( "bolt.hdfs.compression.codec.class").toString()); } builder.setBolt(name, hdfsBolt, config.getInt("bolt.hdfs.parallelism.hint")) .shuffleGrouping(messageUpstreamComponent, "message") .setNumTasks(config.getInt("bolt.hdfs.num.tasks")); } catch (Exception e) { e.printStackTrace(); System.exit(0); } return true; }
Example #6
Source File: SequenceFileTopology.java From storm-hdfs with Apache License 2.0 | 4 votes |
public static void main(String[] args) throws Exception { Config config = new Config(); config.setNumWorkers(1); SentenceSpout spout = new SentenceSpout(); // sync the filesystem after every 1k tuples SyncPolicy syncPolicy = new CountSyncPolicy(1000); // rotate files when they reach 5MB FileRotationPolicy rotationPolicy = new FileSizeRotationPolicy(5.0f, Units.MB); FileNameFormat fileNameFormat = new DefaultFileNameFormat() .withPath("/source/") .withExtension(".seq"); // create sequence format instance. DefaultSequenceFormat format = new DefaultSequenceFormat("timestamp", "sentence"); SequenceFileBolt bolt = new SequenceFileBolt() .withFsUrl(args[0]) .withFileNameFormat(fileNameFormat) .withSequenceFormat(format) .withRotationPolicy(rotationPolicy) .withSyncPolicy(syncPolicy) .withCompressionType(SequenceFile.CompressionType.RECORD) .withCompressionCodec("deflate") .addRotationAction(new MoveFileAction().toDestination("/dest/")); TopologyBuilder builder = new TopologyBuilder(); builder.setSpout(SENTENCE_SPOUT_ID, spout, 1); // SentenceSpout --> MyBolt builder.setBolt(BOLT_ID, bolt, 4) .shuffleGrouping(SENTENCE_SPOUT_ID); if (args.length == 1) { LocalCluster cluster = new LocalCluster(); cluster.submitTopology(TOPOLOGY_NAME, config, builder.createTopology()); waitForSeconds(120); cluster.killTopology(TOPOLOGY_NAME); cluster.shutdown(); System.exit(0); } else if(args.length == 2) { StormSubmitter.submitTopology(args[1], config, builder.createTopology()); } }