Examples with IgfsPath org.apache.ignite.igfs.IgfsPath used on opensource projects

Example 41 with IgfsPath

use of org.apache.ignite.igfs.IgfsPath in project ignite by apache.

the class HadoopClientProtocolMultipleServersSelfTest method beforeJob.

/**
     * @throws Exception If failed.
     */
private void beforeJob() throws Exception {
    IgniteFileSystem igfs = grid(0).fileSystem(HadoopAbstractSelfTest.igfsName);
    igfs.clear();
    igfs.mkdirs(new IgfsPath(PATH_INPUT));
    try (BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(igfs.create(new IgfsPath(PATH_INPUT + "/test.file"), true)))) {
        bw.write("word");
    }
}

Example 42 with IgfsPath

use of org.apache.ignite.igfs.IgfsPath in project ignite by apache.

the class HadoopTaskExecutionSelfTest method prepareFile.

/**
     * @param fileName File name.
     * @param lineCnt Line count.
     * @throws Exception If failed.
     */
private void prepareFile(String fileName, int lineCnt) throws Exception {
    IgniteFileSystem igfs = grid(0).fileSystem(igfsName);
    try (OutputStream os = igfs.create(new IgfsPath(fileName), true)) {
        PrintWriter w = new PrintWriter(new OutputStreamWriter(os));
        for (int i = 0; i < lineCnt; i++) w.print("Hello, Hadoop map-reduce!\n");
        w.flush();
    }
}

Example 43 with IgfsPath

use of org.apache.ignite.igfs.IgfsPath in project ignite by apache.

the class HadoopClientProtocolSelfTest method dumpIgfs.

/**
     * Dump IGFS content.
     *
     * @param igfs IGFS.
     * @param path Path.
     * @throws Exception If failed.
     */
@SuppressWarnings("ConstantConditions")
private static void dumpIgfs(IgniteFileSystem igfs, IgfsPath path) throws Exception {
    IgfsFile file = igfs.info(path);
    assert file != null;
    System.out.println(file.path());
    if (file.isDirectory()) {
        for (IgfsPath child : igfs.listPaths(path)) dumpIgfs(igfs, child);
    } else {
        try (BufferedReader br = new BufferedReader(new InputStreamReader(igfs.open(path)))) {
            String line = br.readLine();
            while (line != null) {
                System.out.println(line);
                line = br.readLine();
            }
        }
    }
}

Example 44 with IgfsPath

use of org.apache.ignite.igfs.IgfsPath in project ignite by apache.

the class HadoopClientProtocolSelfTest method testJobCounters.

/**
     * Tests job counters retrieval.
     *
     * @throws Exception If failed.
     */
public void testJobCounters() throws Exception {
    IgniteFileSystem igfs = grid(0).fileSystem(HadoopAbstractSelfTest.igfsName);
    igfs.mkdirs(new IgfsPath(PATH_INPUT));
    try (BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(igfs.create(new IgfsPath(PATH_INPUT + "/test.file"), true)))) {
        bw.write("alpha\n" + "beta\n" + "gamma\n" + "alpha\n" + "beta\n" + "gamma\n" + "alpha\n" + "beta\n" + "gamma\n");
    }
    Configuration conf = config(HadoopAbstractSelfTest.REST_PORT);
    final Job job = Job.getInstance(conf);
    try {
        job.setOutputKeyClass(Text.class);
        job.setOutputValueClass(IntWritable.class);
        job.setMapperClass(TestCountingMapper.class);
        job.setReducerClass(TestCountingReducer.class);
        job.setCombinerClass(TestCountingCombiner.class);
        FileInputFormat.setInputPaths(job, new Path("igfs://" + igfsName + "@" + PATH_INPUT));
        FileOutputFormat.setOutputPath(job, new Path("igfs://" + igfsName + "@" + PATH_OUTPUT));
        job.submit();
        final Counter cntr = job.getCounters().findCounter(TestCounter.COUNTER1);
        assertEquals(0, cntr.getValue());
        cntr.increment(10);
        assertEquals(10, cntr.getValue());
        // Transferring to map phase.
        setupLockFile.delete();
        // Transferring to reduce phase.
        mapLockFile.delete();
        job.waitForCompletion(false);
        assertEquals("job must end successfully", JobStatus.State.SUCCEEDED, job.getStatus().getState());
        final Counters counters = job.getCounters();
        assertNotNull("counters cannot be null", counters);
        assertEquals("wrong counters count", 3, counters.countCounters());
        assertEquals("wrong counter value", 15, counters.findCounter(TestCounter.COUNTER1).getValue());
        assertEquals("wrong counter value", 3, counters.findCounter(TestCounter.COUNTER2).getValue());
        assertEquals("wrong counter value", 3, counters.findCounter(TestCounter.COUNTER3).getValue());
    } catch (Throwable t) {
        log.error("Unexpected exception", t);
    } finally {
        job.getCluster().close();
    }
}

Example 45 with IgfsPath

use of org.apache.ignite.igfs.IgfsPath in project ignite by apache.

the class HadoopClientProtocolSelfTest method checkJobSubmit.

/**
     * Test job submission.
     *
     * @param noCombiners Whether there are no combiners.
     * @param noReducers Whether there are no reducers.
     * @throws Exception If failed.
     */
public void checkJobSubmit(boolean noCombiners, boolean noReducers) throws Exception {
    IgniteFileSystem igfs = grid(0).fileSystem(HadoopAbstractSelfTest.igfsName);
    igfs.mkdirs(new IgfsPath(PATH_INPUT));
    try (BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(igfs.create(new IgfsPath(PATH_INPUT + "/test.file"), true)))) {
        bw.write("word");
    }
    Configuration conf = config(HadoopAbstractSelfTest.REST_PORT);
    final Job job = Job.getInstance(conf);
    try {
        job.setJobName(JOB_NAME);
        job.setOutputKeyClass(Text.class);
        job.setOutputValueClass(IntWritable.class);
        job.setMapperClass(TestMapper.class);
        job.setReducerClass(TestReducer.class);
        if (!noCombiners)
            job.setCombinerClass(TestCombiner.class);
        if (noReducers)
            job.setNumReduceTasks(0);
        job.setInputFormatClass(TextInputFormat.class);
        job.setOutputFormatClass(TestOutputFormat.class);
        FileInputFormat.setInputPaths(job, new Path(PATH_INPUT));
        FileOutputFormat.setOutputPath(job, new Path(PATH_OUTPUT));
        job.submit();
        JobID jobId = job.getJobID();
        // Setup phase.
        JobStatus jobStatus = job.getStatus();
        checkJobStatus(jobStatus, jobId, JOB_NAME, JobStatus.State.RUNNING, 0.0f);
        assert jobStatus.getSetupProgress() >= 0.0f && jobStatus.getSetupProgress() < 1.0f;
        assert jobStatus.getMapProgress() == 0.0f;
        assert jobStatus.getReduceProgress() == 0.0f;
        U.sleep(2100);
        JobStatus recentJobStatus = job.getStatus();
        assert recentJobStatus.getSetupProgress() > jobStatus.getSetupProgress() : "Old=" + jobStatus.getSetupProgress() + ", new=" + recentJobStatus.getSetupProgress();
        // Transferring to map phase.
        setupLockFile.delete();
        assert GridTestUtils.waitForCondition(new GridAbsPredicate() {

            @Override
            public boolean apply() {
                try {
                    return F.eq(1.0f, job.getStatus().getSetupProgress());
                } catch (Exception e) {
                    throw new RuntimeException("Unexpected exception.", e);
                }
            }
        }, 5000L);
        // Map phase.
        jobStatus = job.getStatus();
        checkJobStatus(jobStatus, jobId, JOB_NAME, JobStatus.State.RUNNING, 0.0f);
        assert jobStatus.getSetupProgress() == 1.0f;
        assert jobStatus.getMapProgress() >= 0.0f && jobStatus.getMapProgress() < 1.0f;
        assert jobStatus.getReduceProgress() == 0.0f;
        U.sleep(2100);
        recentJobStatus = job.getStatus();
        assert recentJobStatus.getMapProgress() > jobStatus.getMapProgress() : "Old=" + jobStatus.getMapProgress() + ", new=" + recentJobStatus.getMapProgress();
        // Transferring to reduce phase.
        mapLockFile.delete();
        assert GridTestUtils.waitForCondition(new GridAbsPredicate() {

            @Override
            public boolean apply() {
                try {
                    return F.eq(1.0f, job.getStatus().getMapProgress());
                } catch (Exception e) {
                    throw new RuntimeException("Unexpected exception.", e);
                }
            }
        }, 5000L);
        if (!noReducers) {
            // Reduce phase.
            jobStatus = job.getStatus();
            checkJobStatus(jobStatus, jobId, JOB_NAME, JobStatus.State.RUNNING, 0.0f);
            assert jobStatus.getSetupProgress() == 1.0f;
            assert jobStatus.getMapProgress() == 1.0f;
            assert jobStatus.getReduceProgress() >= 0.0f && jobStatus.getReduceProgress() < 1.0f;
            // Ensure that reduces progress increases.
            U.sleep(2100);
            recentJobStatus = job.getStatus();
            assert recentJobStatus.getReduceProgress() > jobStatus.getReduceProgress() : "Old=" + jobStatus.getReduceProgress() + ", new=" + recentJobStatus.getReduceProgress();
            reduceLockFile.delete();
        }
        job.waitForCompletion(false);
        jobStatus = job.getStatus();
        checkJobStatus(job.getStatus(), jobId, JOB_NAME, JobStatus.State.SUCCEEDED, 1.0f);
        assert jobStatus.getSetupProgress() == 1.0f;
        assert jobStatus.getMapProgress() == 1.0f;
        assert jobStatus.getReduceProgress() == 1.0f;
        dumpIgfs(igfs, new IgfsPath(PATH_OUTPUT));
    } finally {
        job.getCluster().close();
    }
}