Examples with Optimizer org.apache.flink.optimizer.Optimizer used on opensource projects

Example 6 with Optimizer

use of org.apache.flink.optimizer.Optimizer in project flink by apache.

the class CliFrontend method info.

/**
	 * Executes the info action.
	 * 
	 * @param args Command line arguments for the info action.
	 */
protected int info(String[] args) {
    LOG.info("Running 'info' command.");
    // Parse command line options
    InfoOptions options;
    try {
        options = CliFrontendParser.parseInfoCommand(args);
    } catch (CliArgsException e) {
        return handleArgException(e);
    } catch (Throwable t) {
        return handleError(t);
    }
    // evaluate help flag
    if (options.isPrintHelp()) {
        CliFrontendParser.printHelpForInfo();
        return 0;
    }
    if (options.getJarFilePath() == null) {
        return handleArgException(new CliArgsException("The program JAR file was not specified."));
    }
    // -------- build the packaged program -------------
    PackagedProgram program;
    try {
        LOG.info("Building program from JAR file");
        program = buildProgram(options);
    } catch (Throwable t) {
        return handleError(t);
    }
    try {
        int parallelism = options.getParallelism();
        LOG.info("Creating program plan dump");
        Optimizer compiler = new Optimizer(new DataStatistics(), new DefaultCostEstimator(), config);
        FlinkPlan flinkPlan = ClusterClient.getOptimizedPlan(compiler, program, parallelism);
        String jsonPlan = null;
        if (flinkPlan instanceof OptimizedPlan) {
            jsonPlan = new PlanJSONDumpGenerator().getOptimizerPlanAsJSON((OptimizedPlan) flinkPlan);
        } else if (flinkPlan instanceof StreamingPlan) {
            jsonPlan = ((StreamingPlan) flinkPlan).getStreamingPlanAsJSON();
        }
        if (jsonPlan != null) {
            System.out.println("----------------------- Execution Plan -----------------------");
            System.out.println(jsonPlan);
            System.out.println("--------------------------------------------------------------");
        } else {
            System.out.println("JSON plan could not be generated.");
        }
        String description = program.getDescription();
        if (description != null) {
            System.out.println();
            System.out.println(description);
        } else {
            System.out.println();
            System.out.println("No description provided.");
        }
        return 0;
    } catch (Throwable t) {
        return handleError(t);
    } finally {
        program.deleteExtractedLibraries();
    }
}

Example 7 with Optimizer

use of org.apache.flink.optimizer.Optimizer in project flink by apache.

the class CliFrontendPackageProgramTest method testPlanWithExternalClass.

/**
	 * Ensure that we will never have the following error.
	 *
	 * <pre>
	 * 	org.apache.flink.client.program.ProgramInvocationException: The main method caused an error.
	 *		at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:398)
	 *		at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:301)
	 *		at org.apache.flink.client.program.Client.getOptimizedPlan(Client.java:140)
	 *		at org.apache.flink.client.program.Client.getOptimizedPlanAsJson(Client.java:125)
	 *		at org.apache.flink.client.CliFrontend.info(CliFrontend.java:439)
	 *		at org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:931)
	 *		at org.apache.flink.client.CliFrontend.main(CliFrontend.java:951)
	 *	Caused by: java.io.IOException: java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.hadoop.hive.ql.io.RCFileInputFormat
	 *		at org.apache.hcatalog.mapreduce.HCatInputFormat.setInput(HCatInputFormat.java:102)
	 *		at org.apache.hcatalog.mapreduce.HCatInputFormat.setInput(HCatInputFormat.java:54)
	 *		at tlabs.CDR_In_Report.createHCatInputFormat(CDR_In_Report.java:322)
	 *		at tlabs.CDR_Out_Report.main(CDR_Out_Report.java:380)
	 *		at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	 *		at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	 *		at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	 *		at java.lang.reflect.Method.invoke(Method.java:622)
	 *		at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:383)
	 * </pre>
	 *
	 * The test works as follows:
	 *
	 * <ul>
	 *   <li> Use the CliFrontend to invoke a jar file that loads a class which is only available
	 * 	      in the jarfile itself (via a custom classloader)
	 *   <li> Change the Usercode classloader of the PackagedProgram to a special classloader for this test
	 *   <li> the classloader will accept the special class (and return a String.class)
	 * </ul>
	 */
@Test
public void testPlanWithExternalClass() throws CompilerException, ProgramInvocationException {
    // create a final object reference, to be able to change its val later
    final boolean[] callme = { false };
    try {
        String[] arguments = { "--classpath", "file:///tmp/foo", "--classpath", "file:///tmp/bar", "-c", TEST_JAR_CLASSLOADERTEST_CLASS, getTestJarPath(), "true", "arg1", "arg2" };
        URL[] classpath = new URL[] { new URL("file:///tmp/foo"), new URL("file:///tmp/bar") };
        String[] reducedArguments = { "true", "arg1", "arg2" };
        RunOptions options = CliFrontendParser.parseRunCommand(arguments);
        assertEquals(getTestJarPath(), options.getJarFilePath());
        assertArrayEquals(classpath, options.getClasspaths().toArray());
        assertEquals(TEST_JAR_CLASSLOADERTEST_CLASS, options.getEntryPointClassName());
        assertArrayEquals(reducedArguments, options.getProgramArgs());
        CliFrontend frontend = new CliFrontend(CliFrontendTestUtils.getConfigDir());
        PackagedProgram prog = spy(frontend.buildProgram(options));
        ClassLoader testClassLoader = new ClassLoader(prog.getUserCodeClassLoader()) {

            @Override
            public Class<?> loadClass(String name) throws ClassNotFoundException {
                if ("org.apache.hadoop.hive.ql.io.RCFileInputFormat".equals(name)) {
                    callme[0] = true;
                    // Intentionally return the wrong class.
                    return String.class;
                } else {
                    return super.loadClass(name);
                }
            }
        };
        when(prog.getUserCodeClassLoader()).thenReturn(testClassLoader);
        assertEquals(TEST_JAR_CLASSLOADERTEST_CLASS, prog.getMainClassName());
        assertArrayEquals(reducedArguments, prog.getArguments());
        Configuration c = new Configuration();
        Optimizer compiler = new Optimizer(new DataStatistics(), new DefaultCostEstimator(), c);
        // we expect this to fail with a "ClassNotFoundException"
        ClusterClient.getOptimizedPlanAsJson(compiler, prog, 666);
        fail("Should have failed with a ClassNotFoundException");
    } catch (ProgramInvocationException e) {
        if (!(e.getCause() instanceof ClassNotFoundException)) {
            e.printStackTrace();
            fail("Program didn't throw ClassNotFoundException");
        }
        assertTrue("Classloader was not called", callme[0]);
    } catch (Exception e) {
        e.printStackTrace();
        fail("Program failed with the wrong exception: " + e.getClass().getName());
    }
}

Example 8 with Optimizer

use of org.apache.flink.optimizer.Optimizer in project flink by apache.

the class LocalExecutor method executePlan.

/**
	 * Executes the given program on a local runtime and waits for the job to finish.
	 * 
	 * <p>If the executor has not been started before, this starts the executor and shuts it down
	 * after the job finished. If the job runs in session mode, the executor is kept alive until
	 * no more references to the executor exist.</p>
	 * 
	 * @param plan The plan of the program to execute.
	 * @return The net runtime of the program, in milliseconds.
	 * 
	 * @throws Exception Thrown, if either the startup of the local execution context, or the execution
	 *                   caused an exception.
	 */
@Override
public JobExecutionResult executePlan(Plan plan) throws Exception {
    if (plan == null) {
        throw new IllegalArgumentException("The plan may not be null.");
    }
    synchronized (this.lock) {
        // check if we start a session dedicated for this execution
        final boolean shutDownAtEnd;
        if (flink == null) {
            shutDownAtEnd = true;
            // configure the number of local slots equal to the parallelism of the local plan
            if (this.taskManagerNumSlots == DEFAULT_TASK_MANAGER_NUM_SLOTS) {
                int maxParallelism = plan.getMaximumParallelism();
                if (maxParallelism > 0) {
                    this.taskManagerNumSlots = maxParallelism;
                }
            }
            // start the cluster for us
            start();
        } else {
            // we use the existing session
            shutDownAtEnd = false;
        }
        try {
            Configuration configuration = this.flink.configuration();
            Optimizer pc = new Optimizer(new DataStatistics(), configuration);
            OptimizedPlan op = pc.compile(plan);
            JobGraphGenerator jgg = new JobGraphGenerator(configuration);
            JobGraph jobGraph = jgg.compileJobGraph(op, plan.getJobId());
            boolean sysoutPrint = isPrintingStatusDuringExecution();
            return flink.submitJobAndWait(jobGraph, sysoutPrint);
        } finally {
            if (shutDownAtEnd) {
                stop();
            }
        }
    }
}

Example 9 with Optimizer

use of org.apache.flink.optimizer.Optimizer in project flink by apache.

the class RemoteExecutor method getOptimizerPlanAsJSON.

@Override
public String getOptimizerPlanAsJSON(Plan plan) throws Exception {
    Optimizer opt = new Optimizer(new DataStatistics(), new DefaultCostEstimator(), new Configuration());
    OptimizedPlan optPlan = opt.compile(plan);
    return new PlanJSONDumpGenerator().getOptimizerPlanAsJSON(optPlan);
}

Example 10 with Optimizer

use of org.apache.flink.optimizer.Optimizer in project flink by apache.

the class ClientTest method testGetExecutionPlan.

@Test
public void testGetExecutionPlan() {
    try {
        jobManagerSystem.actorOf(Props.create(FailureReturningActor.class), JobManager.JOB_MANAGER_NAME());
        PackagedProgram prg = new PackagedProgram(TestOptimizerPlan.class, "/dev/random", "/tmp");
        assertNotNull(prg.getPreviewPlan());
        Optimizer optimizer = new Optimizer(new DataStatistics(), new DefaultCostEstimator(), config);
        OptimizedPlan op = (OptimizedPlan) ClusterClient.getOptimizedPlan(optimizer, prg, 1);
        assertNotNull(op);
        PlanJSONDumpGenerator dumper = new PlanJSONDumpGenerator();
        assertNotNull(dumper.getOptimizerPlanAsJSON(op));
        // test HTML escaping
        PlanJSONDumpGenerator dumper2 = new PlanJSONDumpGenerator();
        dumper2.setEncodeForHTML(true);
        String htmlEscaped = dumper2.getOptimizerPlanAsJSON(op);
        assertEquals(-1, htmlEscaped.indexOf('\\'));
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}