Examples with PlanFragment org.apache.drill.exec.proto.BitControl.PlanFragment used on opensource projects

Example 6 with PlanFragment

use of org.apache.drill.exec.proto.BitControl.PlanFragment in project drill by apache.

the class DrillSeparatePlanningTest method testMultiMinorFragmentSimpleQuery.

@Test(timeout = 30000)
public void testMultiMinorFragmentSimpleQuery() throws Exception {
    final String query = String.format("SELECT o_orderkey FROM dfs_test.`%s/multilevel/json`", TEST_RES_PATH);
    QueryPlanFragments planFragments = getFragmentsHelper(query);
    assertNotNull(planFragments);
    assertTrue((planFragments.getFragmentsCount() > 1));
    for (PlanFragment planFragment : planFragments.getFragmentsList()) {
        assertTrue(planFragment.getLeafFragment());
    }
    getResultsHelper(planFragments);
}

Example 7 with PlanFragment

use of org.apache.drill.exec.proto.BitControl.PlanFragment in project drill by apache.

the class TestPartitionSender method testThreadsHelper.

/**
   * Core of the testing
   * @param hashToRandomExchange
   * @param drillbitContext
   * @param options
   * @param incoming
   * @param registry
   * @param planReader
   * @param planningSet
   * @param rootFragment
   * @param expectedThreadsCount
   * @throws Exception
   */
private void testThreadsHelper(HashToRandomExchange hashToRandomExchange, DrillbitContext drillbitContext, OptionList options, RecordBatch incoming, FunctionImplementationRegistry registry, PhysicalPlanReader planReader, PlanningSet planningSet, Fragment rootFragment, int expectedThreadsCount) throws Exception {
    final QueryContextInformation queryContextInfo = Utilities.createQueryContextInfo("dummySchemaName", "938ea2d9-7cb9-4baf-9414-a5a0b7777e8e");
    final QueryWorkUnit qwu = PARALLELIZER.getFragments(options, drillbitContext.getEndpoint(), QueryId.getDefaultInstance(), drillbitContext.getBits(), planReader, rootFragment, USER_SESSION, queryContextInfo);
    final List<MinorFragmentEndpoint> mfEndPoints = PhysicalOperatorUtil.getIndexOrderedEndpoints(Lists.newArrayList(drillbitContext.getBits()));
    for (PlanFragment planFragment : qwu.getFragments()) {
        if (!planFragment.getFragmentJson().contains("hash-partition-sender")) {
            continue;
        }
        MockPartitionSenderRootExec partionSenderRootExec = null;
        FragmentContext context = null;
        try {
            context = new FragmentContext(drillbitContext, planFragment, null, registry);
            final int majorFragmentId = planFragment.getHandle().getMajorFragmentId();
            final HashPartitionSender partSender = new HashPartitionSender(majorFragmentId, hashToRandomExchange, hashToRandomExchange.getExpression(), mfEndPoints);
            partionSenderRootExec = new MockPartitionSenderRootExec(context, incoming, partSender);
            assertEquals("Number of threads calculated", expectedThreadsCount, partionSenderRootExec.getNumberPartitions());
            partionSenderRootExec.createPartitioner();
            final PartitionerDecorator partDecor = partionSenderRootExec.getPartitioner();
            assertNotNull(partDecor);
            List<Partitioner> partitioners = partDecor.getPartitioners();
            assertNotNull(partitioners);
            final int actualThreads = DRILLBITS_COUNT > expectedThreadsCount ? expectedThreadsCount : DRILLBITS_COUNT;
            assertEquals("Number of partitioners", actualThreads, partitioners.size());
            for (int i = 0; i < mfEndPoints.size(); i++) {
                assertNotNull("PartitionOutgoingBatch", partDecor.getOutgoingBatches(i));
            }
            // check distribution of PartitionOutgoingBatch - should be even distribution
            boolean isFirst = true;
            int prevBatchCountSize = 0;
            int batchCountSize = 0;
            for (Partitioner part : partitioners) {
                final List<PartitionOutgoingBatch> outBatch = (List<PartitionOutgoingBatch>) part.getOutgoingBatches();
                batchCountSize = outBatch.size();
                if (!isFirst) {
                    assertTrue(Math.abs(batchCountSize - prevBatchCountSize) <= 1);
                } else {
                    isFirst = false;
                }
                prevBatchCountSize = batchCountSize;
            }
            partionSenderRootExec.getStats().startProcessing();
            try {
                partDecor.partitionBatch(incoming);
            } finally {
                partionSenderRootExec.getStats().stopProcessing();
            }
            if (actualThreads == 1) {
                assertEquals("With single thread parent and child waitNanos should match", partitioners.get(0).getStats().getWaitNanos(), partionSenderRootExec.getStats().getWaitNanos());
            }
            // testing values distribution
            partitioners = partDecor.getPartitioners();
            isFirst = true;
            // since we have fake Nullvector distribution is skewed
            for (Partitioner part : partitioners) {
                final List<PartitionOutgoingBatch> outBatches = (List<PartitionOutgoingBatch>) part.getOutgoingBatches();
                for (PartitionOutgoingBatch partOutBatch : outBatches) {
                    final int recordCount = ((VectorAccessible) partOutBatch).getRecordCount();
                    if (isFirst) {
                        assertEquals("RecordCount", 100, recordCount);
                        isFirst = false;
                    } else {
                        assertEquals("RecordCount", 0, recordCount);
                    }
                }
            }
            // test exceptions within threads
            // test stats merging
            partionSenderRootExec.getStats().startProcessing();
            try {
                partDecor.executeMethodLogic(new InjectExceptionTest());
                fail("Should throw IOException here");
            } catch (IOException ioe) {
                final OperatorProfile.Builder oPBuilder = OperatorProfile.newBuilder();
                partionSenderRootExec.getStats().addAllMetrics(oPBuilder);
                final List<MetricValue> metrics = oPBuilder.getMetricList();
                for (MetricValue metric : metrics) {
                    if (Metric.BYTES_SENT.metricId() == metric.getMetricId()) {
                        assertEquals("Should add metricValue irrespective of exception", 5 * actualThreads, metric.getLongValue());
                    }
                    if (Metric.SENDING_THREADS_COUNT.metricId() == metric.getMetricId()) {
                        assertEquals(actualThreads, metric.getLongValue());
                    }
                }
                assertEquals(actualThreads - 1, ioe.getSuppressed().length);
            } finally {
                partionSenderRootExec.getStats().stopProcessing();
            }
        } finally {
            // cleanup
            partionSenderRootExec.close();
            context.close();
        }
    }
}

Example 8 with PlanFragment

use of org.apache.drill.exec.proto.BitControl.PlanFragment in project drill by apache.

the class PlanSplitter method getFragments.

private List<PlanFragment> getFragments(final DrillbitContext dContext, final GetQueryPlanFragments req, final QueryContext queryContext, final QueryId queryId) throws Exception {
    final PhysicalPlan plan;
    final String query = req.getQuery();
    switch(req.getType()) {
        case SQL:
            final Pointer<String> textPlan = new Pointer<>();
            plan = DrillSqlWorker.getPlan(queryContext, query, textPlan);
            break;
        case PHYSICAL:
            plan = dContext.getPlanReader().readPhysicalPlan(query);
            break;
        default:
            throw new IllegalStateException("Planning fragments supports only SQL or PHYSICAL QueryType");
    }
    MemoryAllocationUtilities.setupSortMemoryAllocations(plan, queryContext);
    final PhysicalOperator rootOperator = plan.getSortedOperators(false).iterator().next();
    final Fragment rootFragment = rootOperator.accept(MakeFragmentsVisitor.INSTANCE, null);
    final SimpleParallelizer parallelizer = new SplittingParallelizer(queryContext);
    List<PlanFragment> fragments = Lists.newArrayList();
    if (req.getSplitPlan()) {
        final List<QueryWorkUnit> queryWorkUnits = parallelizer.getSplitFragments(queryContext.getOptions().getOptionList(), queryContext.getCurrentEndpoint(), queryId, queryContext.getActiveEndpoints(), dContext.getPlanReader(), rootFragment, queryContext.getSession(), queryContext.getQueryContextInfo());
        for (QueryWorkUnit queryWorkUnit : queryWorkUnits) {
            fragments.add(queryWorkUnit.getRootFragment());
            List<PlanFragment> childFragments = queryWorkUnit.getFragments();
            if (!childFragments.isEmpty()) {
                throw new IllegalStateException("Split plans can not have more then one fragment");
            }
        }
    } else {
        final QueryWorkUnit queryWorkUnit = parallelizer.getFragments(queryContext.getOptions().getOptionList(), queryContext.getCurrentEndpoint(), queryId, queryContext.getActiveEndpoints(), dContext.getPlanReader(), rootFragment, queryContext.getSession(), queryContext.getQueryContextInfo());
        fragments.add(queryWorkUnit.getRootFragment());
        fragments.addAll(queryWorkUnit.getFragments());
    }
    return fragments;
}

Example 9 with PlanFragment

use of org.apache.drill.exec.proto.BitControl.PlanFragment in project drill by apache.

the class Foreman method sendRemoteFragments.

/**
   * Send all the remote fragments belonging to a single target drillbit in one request.
   *
   * @param assignment the drillbit assigned to these fragments
   * @param fragments the set of fragments
   * @param latch the countdown latch used to track the requests to all endpoints
   * @param fragmentSubmitFailures the submission failure counter used to track the requests to all endpoints
   */
private void sendRemoteFragments(final DrillbitEndpoint assignment, final Collection<PlanFragment> fragments, final CountDownLatch latch, final FragmentSubmitFailures fragmentSubmitFailures) {
    @SuppressWarnings("resource") final Controller controller = drillbitContext.getController();
    final InitializeFragments.Builder fb = InitializeFragments.newBuilder();
    for (final PlanFragment planFragment : fragments) {
        fb.addFragment(planFragment);
    }
    final InitializeFragments initFrags = fb.build();
    logger.debug("Sending remote fragments to \nNode:\n{} \n\nData:\n{}", assignment, initFrags);
    final FragmentSubmitListener listener = new FragmentSubmitListener(assignment, initFrags, latch, fragmentSubmitFailures);
    controller.getTunnel(assignment).sendFragments(listener, initFrags);
}

Example 10 with PlanFragment

use of org.apache.drill.exec.proto.BitControl.PlanFragment in project drill by apache.

the class Foreman method runPhysicalPlan.

private void runPhysicalPlan(final PhysicalPlan plan) throws ExecutionSetupException {
    validatePlan(plan);
    MemoryAllocationUtilities.setupSortMemoryAllocations(plan, queryContext);
    //Marking endTime of Planning
    queryManager.markPlanningEndTime();
    if (queuingEnabled) {
        acquireQuerySemaphore(plan);
        moveToState(QueryState.STARTING, null);
        //Marking endTime of Waiting in Queue
        queryManager.markQueueWaitEndTime();
    }
    final QueryWorkUnit work = getQueryWorkUnit(plan);
    final List<PlanFragment> planFragments = work.getFragments();
    final PlanFragment rootPlanFragment = work.getRootFragment();
    assert queryId == rootPlanFragment.getHandle().getQueryId();
    drillbitContext.getWorkBus().addFragmentStatusListener(queryId, queryManager.getFragmentStatusListener());
    drillbitContext.getClusterCoordinator().addDrillbitStatusListener(queryManager.getDrillbitStatusListener());
    logger.debug("Submitting fragments to run.");
    // set up the root fragment first so we'll have incoming buffers available.
    setupRootFragment(rootPlanFragment, work.getRootOperator());
    setupNonRootFragments(planFragments);
    moveToState(QueryState.RUNNING, null);
    logger.debug("Fragments running.");
}