Examples with HashJoinExample org.apache.tez.examples.HashJoinExample used on opensource projects

Example 1 with HashJoinExample

use of org.apache.tez.examples.HashJoinExample in project tez by apache.

the class TestExtServicesWithLocalMode method test1.

@Test(timeout = 30000)
public void test1() throws Exception {
    UserPayload userPayload = TezUtils.createUserPayloadFromConf(confForJobs);
    TaskSchedulerDescriptor[] taskSchedulerDescriptors = new TaskSchedulerDescriptor[] { TaskSchedulerDescriptor.create(EXT_PUSH_ENTITY_NAME, TezTestServiceTaskSchedulerService.class.getName()).setUserPayload(userPayload) };
    ContainerLauncherDescriptor[] containerLauncherDescriptors = new ContainerLauncherDescriptor[] { ContainerLauncherDescriptor.create(EXT_PUSH_ENTITY_NAME, TezTestServiceNoOpContainerLauncher.class.getName()).setUserPayload(userPayload) };
    TaskCommunicatorDescriptor[] taskCommunicatorDescriptors = new TaskCommunicatorDescriptor[] { TaskCommunicatorDescriptor.create(EXT_PUSH_ENTITY_NAME, TezTestServiceTaskCommunicatorImpl.class.getName()).setUserPayload(userPayload) };
    ServicePluginsDescriptor servicePluginsDescriptor = ServicePluginsDescriptor.create(true, false, taskSchedulerDescriptors, containerLauncherDescriptors, taskCommunicatorDescriptors);
    TezConfiguration tezConf = new TezConfiguration(confForJobs);
    TezClient tezClient = TezClient.newBuilder("test1", tezConf).setIsSession(true).setServicePluginDescriptor(servicePluginsDescriptor).build();
    try {
        tezClient.start();
        Path dataPath1 = new Path(SRC_DATA_DIR, "inPath1");
        Path dataPath2 = new Path(SRC_DATA_DIR, "inPath2");
        Path expectedResultPath = new Path(SRC_DATA_DIR, "expectedOutputPath");
        JoinDataGen dataGen = new JoinDataGen();
        String[] dataGenArgs = new String[] { dataPath1.toString(), "1048576", dataPath2.toString(), "524288", expectedResultPath.toString(), "2" };
        assertEquals(0, dataGen.run(tezConf, dataGenArgs, tezClient));
        Path outputPath = new Path(SRC_DATA_DIR, "outPath");
        HashJoinExample joinExample = new HashJoinExample();
        String[] args = new String[] { dataPath1.toString(), dataPath2.toString(), "2", outputPath.toString() };
        assertEquals(0, joinExample.run(tezConf, args, tezClient));
        LOG.info("Completed generating Data - Expected Hash Result and Actual Join Result");
        assertEquals(0, tezTestServiceCluster.getNumSubmissions());
        // ext can consume from ext.
        runJoinValidate(tezClient, "allInExt", 7, EXECUTION_CONTEXT_EXT_SERVICE_PUSH, EXECUTION_CONTEXT_EXT_SERVICE_PUSH, EXECUTION_CONTEXT_EXT_SERVICE_PUSH);
        LOG.info("Completed allInExt");
        // uber can consume from uber.
        runJoinValidate(tezClient, "noneInExt", 0, null, null, null);
        LOG.info("Completed noneInExt");
        // uber can consume from ext
        runJoinValidate(tezClient, "lhsInExt", 2, EXECUTION_CONTEXT_EXT_SERVICE_PUSH, null, null);
        LOG.info("Completed lhsInExt");
    // ext cannot consume from uber in this mode since there's no shuffle handler working,
    // and the local data transfer semantics may not match.
    } finally {
        tezClient.stop();
    }
}

Example 2 with HashJoinExample

use of org.apache.tez.examples.HashJoinExample in project tez by apache.

the class ExternalTezServiceTestHelper method setupHashJoinData.

public void setupHashJoinData(Path srcDataDir, Path dataPath1, Path dataPath2, Path expectedResultPath, Path outputPath) throws Exception {
    remoteFs.mkdirs(srcDataDir);
    TezConfiguration tezConf = new TezConfiguration(confForJobs);
    // Generate join data - with 2 tasks.
    JoinDataGen dataGen = new JoinDataGen();
    String[] dataGenArgs = new String[] { dataPath1.toString(), "1048576", dataPath2.toString(), "524288", expectedResultPath.toString(), "2" };
    assertEquals(0, dataGen.run(tezConf, dataGenArgs, sharedTezClient));
    // Run the actual join - with 2 reducers
    HashJoinExample joinExample = new HashJoinExample();
    String[] args = new String[] { dataPath1.toString(), dataPath2.toString(), "2", outputPath.toString() };
    assertEquals(0, joinExample.run(tezConf, args, sharedTezClient));
    LOG.info("Completed generating Data - Expected Hash Result and Actual Join Result");
}

Example 3 with HashJoinExample

use of org.apache.tez.examples.HashJoinExample in project tez by apache.

the class TestRecovery method testHashJoinExample.

private void testHashJoinExample(SimpleShutdownCondition shutdownCondition, boolean enableAutoParallelism, boolean generateSplitInClient) throws Exception {
    HashJoinExample hashJoinExample = new HashJoinExample();
    TezConfiguration tezConf = new TezConfiguration(miniTezCluster.getConfig());
    tezConf.setInt(TezConfiguration.TEZ_AM_MAX_APP_ATTEMPTS, 4);
    tezConf.set(TezConfiguration.TEZ_AM_RECOVERY_SERVICE_CLASS, RecoveryServiceWithEventHandlingHook.class.getName());
    tezConf.set(RecoveryServiceWithEventHandlingHook.AM_RECOVERY_SERVICE_HOOK_CLASS, SimpleRecoveryEventHook.class.getName());
    tezConf.set(SimpleRecoveryEventHook.SIMPLE_SHUTDOWN_CONDITION, shutdownCondition.serialize());
    tezConf.setBoolean(ShuffleVertexManager.TEZ_SHUFFLE_VERTEX_MANAGER_ENABLE_AUTO_PARALLEL, enableAutoParallelism);
    tezConf.setBoolean(RecoveryService.TEZ_TEST_RECOVERY_DRAIN_EVENTS_WHEN_STOPPED, false);
    tezConf.setBoolean(TezConfiguration.TEZ_AM_STAGING_SCRATCH_DATA_AUTO_DELETE, false);
    tezConf.set(TezConfiguration.TEZ_AM_LOG_LEVEL, "INFO;org.apache.tez=DEBUG");
    hashJoinExample.setConf(tezConf);
    Path stagingDirPath = new Path("/tmp/tez-staging-dir");
    Path inPath1 = new Path("/tmp/hashJoin/inPath1");
    Path inPath2 = new Path("/tmp/hashJoin/inPath2");
    Path outPath = new Path("/tmp/hashJoin/outPath");
    remoteFs.delete(outPath, true);
    remoteFs.mkdirs(inPath1);
    remoteFs.mkdirs(inPath2);
    remoteFs.mkdirs(stagingDirPath);
    Set<String> expectedResult = new HashSet<String>();
    FSDataOutputStream out1 = remoteFs.create(new Path(inPath1, "file"));
    FSDataOutputStream out2 = remoteFs.create(new Path(inPath2, "file"));
    BufferedWriter writer1 = new BufferedWriter(new OutputStreamWriter(out1));
    BufferedWriter writer2 = new BufferedWriter(new OutputStreamWriter(out2));
    for (int i = 0; i < 20; i++) {
        String term = "term" + i;
        writer1.write(term);
        writer1.newLine();
        if (i % 2 == 0) {
            writer2.write(term);
            writer2.newLine();
            expectedResult.add(term);
        }
    }
    writer1.close();
    writer2.close();
    out1.close();
    out2.close();
    String[] args = null;
    if (generateSplitInClient) {
        args = new String[] { "-D" + TezConfiguration.TEZ_AM_STAGING_DIR + "=" + stagingDirPath.toString(), "-generateSplitInClient", inPath1.toString(), inPath2.toString(), "1", outPath.toString() };
    } else {
        args = new String[] { "-D" + TezConfiguration.TEZ_AM_STAGING_DIR + "=" + stagingDirPath.toString(), inPath1.toString(), inPath2.toString(), "1", outPath.toString() };
    }
    assertEquals(0, hashJoinExample.run(args));
    FileStatus[] statuses = remoteFs.listStatus(outPath, new PathFilter() {

        public boolean accept(Path p) {
            String name = p.getName();
            return !name.startsWith("_") && !name.startsWith(".");
        }
    });
    assertEquals(1, statuses.length);
    FSDataInputStream inStream = remoteFs.open(statuses[0].getPath());
    BufferedReader reader = new BufferedReader(new InputStreamReader(inStream));
    String line;
    while ((line = reader.readLine()) != null) {
        assertTrue(expectedResult.remove(line));
    }
    reader.close();
    inStream.close();
    assertEquals(0, expectedResult.size());
    List<HistoryEvent> historyEventsOfAttempt1 = RecoveryParser.readRecoveryEvents(tezConf, hashJoinExample.getAppId(), 1);
    HistoryEvent lastEvent = historyEventsOfAttempt1.get(historyEventsOfAttempt1.size() - 1);
    assertEquals(shutdownCondition.getEvent().getEventType(), lastEvent.getEventType());
    assertTrue(shutdownCondition.match(lastEvent));
}

Example 4 with HashJoinExample

use of org.apache.tez.examples.HashJoinExample in project tez by apache.

the class TestTezJobs method testHashJoinExample.

@Test(timeout = 60000)
public void testHashJoinExample() throws Exception {
    HashJoinExample hashJoinExample = new HashJoinExample();
    hashJoinExample.setConf(mrrTezCluster.getConfig());
    Path stagingDirPath = new Path("/tmp/tez-staging-dir");
    Path inPath1 = new Path("/tmp/hashJoin/inPath1");
    Path inPath2 = new Path("/tmp/hashJoin/inPath2");
    Path outPath = new Path("/tmp/hashJoin/outPath");
    remoteFs.mkdirs(inPath1);
    remoteFs.mkdirs(inPath2);
    remoteFs.mkdirs(stagingDirPath);
    Set<String> expectedResult = new HashSet<String>();
    FSDataOutputStream out1 = remoteFs.create(new Path(inPath1, "file"));
    FSDataOutputStream out2 = remoteFs.create(new Path(inPath2, "file"));
    BufferedWriter writer1 = new BufferedWriter(new OutputStreamWriter(out1));
    BufferedWriter writer2 = new BufferedWriter(new OutputStreamWriter(out2));
    for (int i = 0; i < 20; i++) {
        String term = "term" + i;
        writer1.write(term);
        writer1.newLine();
        if (i % 2 == 0) {
            writer2.write(term);
            writer2.newLine();
            expectedResult.add(term);
        }
    }
    writer1.close();
    writer2.close();
    out1.close();
    out2.close();
    String[] args = new String[] { "-D" + TezConfiguration.TEZ_AM_STAGING_DIR + "=" + stagingDirPath.toString(), "-counter", inPath1.toString(), inPath2.toString(), "1", outPath.toString() };
    assertEquals(0, hashJoinExample.run(args));
    FileStatus[] statuses = remoteFs.listStatus(outPath, new PathFilter() {

        public boolean accept(Path p) {
            String name = p.getName();
            return !name.startsWith("_") && !name.startsWith(".");
        }
    });
    assertEquals(1, statuses.length);
    FSDataInputStream inStream = remoteFs.open(statuses[0].getPath());
    BufferedReader reader = new BufferedReader(new InputStreamReader(inStream));
    String line;
    while ((line = reader.readLine()) != null) {
        assertTrue(expectedResult.remove(line));
    }
    reader.close();
    inStream.close();
    assertEquals(0, expectedResult.size());
}

Example 5 with HashJoinExample

use of org.apache.tez.examples.HashJoinExample in project tez by apache.

the class TestTezJobs method testHashJoinExamplePipeline.

/**
 * test whole {@link HashJoinExample} pipeline as following: <br>
 * {@link JoinDataGen} -> {@link HashJoinExample} -> {@link JoinValidate}
 * @throws Exception
 */
@Test(timeout = 120000)
public void testHashJoinExamplePipeline() throws Exception {
    Path testDir = new Path("/tmp/testHashJoinExample");
    Path stagingDirPath = new Path("/tmp/tez-staging-dir");
    remoteFs.mkdirs(stagingDirPath);
    remoteFs.mkdirs(testDir);
    Path dataPath1 = new Path(testDir, "inPath1");
    Path dataPath2 = new Path(testDir, "inPath2");
    Path expectedOutputPath = new Path(testDir, "expectedOutputPath");
    Path outPath = new Path(testDir, "outPath");
    TezConfiguration tezConf = new TezConfiguration(mrrTezCluster.getConfig());
    tezConf.set(TezConfiguration.TEZ_AM_STAGING_DIR, stagingDirPath.toString());
    TezClient tezSession = null;
    try {
        tezSession = TezClient.create("HashJoinExampleSession", tezConf, true);
        tezSession.start();
        JoinDataGen dataGen = new JoinDataGen();
        String[] dataGenArgs = new String[] { "-counter", dataPath1.toString(), "1048576", dataPath2.toString(), "524288", expectedOutputPath.toString(), "2" };
        assertEquals(0, dataGen.run(tezConf, dataGenArgs, tezSession));
        HashJoinExample joinExample = new HashJoinExample();
        String[] args = new String[] { dataPath1.toString(), dataPath2.toString(), "2", outPath.toString() };
        assertEquals(0, joinExample.run(tezConf, args, tezSession));
        JoinValidate joinValidate = new JoinValidate();
        String[] validateArgs = new String[] { "-counter", expectedOutputPath.toString(), outPath.toString(), "3" };
        assertEquals(0, joinValidate.run(tezConf, validateArgs, tezSession));
    } finally {
        if (tezSession != null) {
            tezSession.stop();
        }
    }
}