Examples with TaskContext io.prestosql.operator.TaskContext used on opensource projects

Example 11 with TaskContext

use of io.prestosql.operator.TaskContext in project hetu-core by openlookeng.

the class TestSpatialJoinOperator method testEmptyBuildLeftJoin.

@Test
public void testEmptyBuildLeftJoin() {
    TaskContext taskContext = createTaskContext();
    RowPagesBuilder buildPages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR));
    RowPagesBuilder probePages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR)).row(POINT_X, "x").row(null, "null").row(POINT_Y, "y").pageBreak().row(POINT_Z, "z").pageBreak().row(POINT_W, "w");
    MaterializedResult expected = resultBuilder(taskContext.getSession(), ImmutableList.of(VARCHAR, VARCHAR)).row("x", null).row("null", null).row("y", null).row("z", null).row("w", null).build();
    assertSpatialJoin(taskContext, LEFT, buildPages, probePages, expected);
}

Example 12 with TaskContext

use of io.prestosql.operator.TaskContext in project hetu-core by openlookeng.

the class TestSpatialJoinOperator method testDistributedSpatialJoin.

@Test
public void testDistributedSpatialJoin() {
    TaskContext taskContext = createTaskContext();
    DriverContext driverContext = taskContext.addPipelineContext(0, true, true, true).addDriverContext();
    RowPagesBuilder buildPages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR, INTEGER)).row(POLYGON_A, "A", 1).row(POLYGON_A, "A", 2).row(null, "null", null).pageBreak().row(POLYGON_B, "B", 0).row(POLYGON_B, "B", 2);
    RowPagesBuilder probePages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR, INTEGER)).row(POINT_X, "x", 2).row(null, "null", null).row(POINT_Y, "y", 2).pageBreak().row(POINT_Z, "z", 0);
    MaterializedResult expected = resultBuilder(taskContext.getSession(), ImmutableList.of(VARCHAR, VARCHAR)).row("x", "A").row("y", "A").row("y", "B").row("z", "B").build();
    PagesSpatialIndexFactory pagesSpatialIndexFactory = buildIndex(driverContext, (build, probe, r) -> build.contains(probe), Optional.empty(), Optional.of(2), Optional.of(KDB_TREE_JSON), Optional.empty(), buildPages);
    OperatorFactory joinOperatorFactory = new SpatialJoinOperatorFactory(2, new PlanNodeId("test"), INNER, probePages.getTypes(), Ints.asList(1), 0, Optional.of(2), pagesSpatialIndexFactory);
    assertOperatorEquals(joinOperatorFactory, driverContext, probePages.build(), expected);
}

Example 13 with TaskContext

use of io.prestosql.operator.TaskContext in project hetu-core by openlookeng.

the class TestSqlTaskExecution method testMarker.

@Test(dataProvider = "executionStrategies", timeOut = 20_000)
public void testMarker(PipelineExecutionStrategy executionStrategy) throws Exception {
    // This test is a copy of testSimple(). Only difference is some Marker task sources are added to the input,
    // and to verify if they can be converted to pages, and these pages can be consumed correctly.
    ScheduledExecutorService taskNotificationExecutor = newScheduledThreadPool(10, threadsNamed("task-notification-%s"));
    ScheduledExecutorService driverYieldExecutor = newScheduledThreadPool(2, threadsNamed("driver-yield-%s"));
    TaskExecutor taskExecutor = new TaskExecutor(5, 10, 3, 4, Ticker.systemTicker());
    taskExecutor.start();
    try {
        TaskStateMachine taskStateMachine = new TaskStateMachine(TaskId.valueOf("query.1.1"), taskNotificationExecutor);
        PartitionedOutputBuffer outputBuffer = newTestingOutputBuffer(taskNotificationExecutor);
        OutputBufferConsumer outputBufferConsumer = new OutputBufferConsumer(outputBuffer, OUTPUT_BUFFER_ID);
        // 
        // test initialization: simple task with 1 pipeline
        // 
        // pipeline 0  ... pipeline id
        // partitioned ... partitioned/unpartitioned pipeline
        // grouped   ... execution strategy (in grouped test)
        // ungrouped  ... execution strategy (in ungrouped test)
        // 
        // TaskOutput
        // |
        // Scan
        // 
        // See #testComplex for all the bahaviors that are tested. Not all of them apply here.
        TestingScanOperatorFactory testingScanOperatorFactory = new TestingScanOperatorFactory(0, TABLE_SCAN_NODE_ID, ImmutableList.of(VARCHAR));
        TaskOutputOperatorFactory taskOutputOperatorFactory = new TaskOutputOperatorFactory(1, TABLE_SCAN_NODE_ID, outputBuffer, Function.identity());
        LocalExecutionPlan localExecutionPlan = new LocalExecutionPlan(ImmutableList.of(new DriverFactory(0, true, true, ImmutableList.of(testingScanOperatorFactory, taskOutputOperatorFactory), OptionalInt.empty(), executionStrategy)), ImmutableList.of(TABLE_SCAN_NODE_ID), executionStrategy == GROUPED_EXECUTION ? StageExecutionDescriptor.fixedLifespanScheduleGroupedExecution(ImmutableList.of(TABLE_SCAN_NODE_ID)) : StageExecutionDescriptor.ungroupedExecution(), Optional.empty());
        TaskContext taskContext = newTestingTaskContext(taskNotificationExecutor, driverYieldExecutor, taskStateMachine, true);
        SqlTaskExecution sqlTaskExecution = SqlTaskExecution.createSqlTaskExecution(taskStateMachine, taskContext, outputBuffer, ImmutableList.of(), localExecutionPlan, taskExecutor, taskNotificationExecutor, createTestSplitMonitor());
        // 
        // test body
        assertEquals(taskStateMachine.getState(), TaskState.RUNNING);
        switch(executionStrategy) {
            case UNGROUPED_EXECUTION:
                // add source for pipeline
                sqlTaskExecution.addSources(ImmutableList.of(new TaskSource(TABLE_SCAN_NODE_ID, ImmutableSet.of(newScheduledSplit(0, TABLE_SCAN_NODE_ID, Lifespan.taskWide(), 100000, 123)), false)));
                // assert that partial task result is produced
                outputBufferConsumer.consume(123, ASSERT_WAIT_TIMEOUT);
                // add marker source
                sqlTaskExecution.addSources(ImmutableList.of(new TaskSource(TABLE_SCAN_NODE_ID, ImmutableSet.of(newMarkerSplit(1, TABLE_SCAN_NODE_ID, Lifespan.taskWide(), 1)), false)));
                // assert that partial task result is produced
                outputBufferConsumer.consume(1, ASSERT_WAIT_TIMEOUT);
                // pause operator execution to make sure that
                // * operatorFactory will be closed even though operator can't execute
                // * completedDriverGroups will NOT include the newly scheduled driver group while pause is in place
                testingScanOperatorFactory.getPauser().pause();
                // add source for pipeline, mark as no more splits
                sqlTaskExecution.addSources(ImmutableList.of(new TaskSource(TABLE_SCAN_NODE_ID, ImmutableSet.of(newScheduledSplit(2, TABLE_SCAN_NODE_ID, Lifespan.taskWide(), 200000, 300), newScheduledSplit(3, TABLE_SCAN_NODE_ID, Lifespan.taskWide(), 300000, 200)), false)));
                // add marker source
                sqlTaskExecution.addSources(ImmutableList.of(new TaskSource(TABLE_SCAN_NODE_ID, ImmutableSet.of(newMarkerSplit(4, TABLE_SCAN_NODE_ID, Lifespan.taskWide(), 2)), true)));
                // resume operator execution: needed before "isOverallNoMoreOperators" can become true
                testingScanOperatorFactory.getPauser().resume();
                // assert that pipeline will have no more drivers
                waitUntilEquals(testingScanOperatorFactory::isOverallNoMoreOperators, true, ASSERT_WAIT_TIMEOUT);
                // assert that no DriverGroup is fully completed
                assertEquals(taskContext.getCompletedDriverGroups(), ImmutableSet.of());
                // assert that task result is produced
                outputBufferConsumer.consume(300 + 200 + 1, ASSERT_WAIT_TIMEOUT);
                outputBufferConsumer.assertBufferComplete(ASSERT_WAIT_TIMEOUT);
                break;
            case GROUPED_EXECUTION:
                // add source for pipeline (driver group [1, 5]), mark driver group [1] as noMoreSplits
                sqlTaskExecution.addSources(ImmutableList.of(new TaskSource(TABLE_SCAN_NODE_ID, ImmutableSet.of(newScheduledSplit(0, TABLE_SCAN_NODE_ID, Lifespan.driverGroup(1), 0, 1), newScheduledSplit(1, TABLE_SCAN_NODE_ID, Lifespan.driverGroup(5), 100000, 10)), false)));
                // add marker source
                sqlTaskExecution.addSources(ImmutableList.of(new TaskSource(TABLE_SCAN_NODE_ID, ImmutableSet.of(newMarkerSplit(2, TABLE_SCAN_NODE_ID, Lifespan.driverGroup(1), 1)), ImmutableSet.of(Lifespan.driverGroup(1)), false)));
                // assert that pipeline will have no more drivers for driver group [1]
                waitUntilEquals(testingScanOperatorFactory::getDriverGroupsWithNoMoreOperators, ImmutableSet.of(Lifespan.driverGroup(1)), ASSERT_WAIT_TIMEOUT);
                // assert that partial result is produced for both driver groups
                outputBufferConsumer.consume(1 + 10 + 1, ASSERT_WAIT_TIMEOUT);
                // assert that driver group [1] is fully completed
                waitUntilEquals(taskContext::getCompletedDriverGroups, ImmutableSet.of(Lifespan.driverGroup(1)), ASSERT_WAIT_TIMEOUT);
                // pause operator execution to make sure that
                // * operatorFactory will be closed even though operator can't execute
                // * completedDriverGroups will NOT include the newly scheduled driver group while pause is in place
                testingScanOperatorFactory.getPauser().pause();
                // add source for pipeline (driver group [5]), mark driver group [5] as noMoreSplits
                sqlTaskExecution.addSources(ImmutableList.of(new TaskSource(TABLE_SCAN_NODE_ID, ImmutableSet.of(newScheduledSplit(3, TABLE_SCAN_NODE_ID, Lifespan.driverGroup(5), 200000, 300)), false)));
                // add marker source
                sqlTaskExecution.addSources(ImmutableList.of(new TaskSource(TABLE_SCAN_NODE_ID, ImmutableSet.of(newMarkerSplit(4, TABLE_SCAN_NODE_ID, Lifespan.driverGroup(5), 2)), ImmutableSet.of(Lifespan.driverGroup(5)), false)));
                // resume operator execution
                testingScanOperatorFactory.getPauser().resume();
                // assert that pipeline will have no more drivers for driver group [1, 5]
                waitUntilEquals(testingScanOperatorFactory::getDriverGroupsWithNoMoreOperators, ImmutableSet.of(Lifespan.driverGroup(1), Lifespan.driverGroup(5)), ASSERT_WAIT_TIMEOUT);
                // assert that partial result is produced
                outputBufferConsumer.consume(300 + 1, ASSERT_WAIT_TIMEOUT);
                // assert that driver group [1, 5] is fully completed
                waitUntilEquals(taskContext::getCompletedDriverGroups, ImmutableSet.of(Lifespan.driverGroup(1), Lifespan.driverGroup(5)), ASSERT_WAIT_TIMEOUT);
                // pause operator execution to make sure that
                testingScanOperatorFactory.getPauser().pause();
                // add source for pipeline (driver group [7]), mark pipeline as noMoreSplits without explicitly marking driver group 7
                sqlTaskExecution.addSources(ImmutableList.of(new TaskSource(TABLE_SCAN_NODE_ID, ImmutableSet.of(newScheduledSplit(5, TABLE_SCAN_NODE_ID, Lifespan.driverGroup(7), 300000, 45), newScheduledSplit(6, TABLE_SCAN_NODE_ID, Lifespan.driverGroup(7), 400000, 54)), false)));
                // add marker source
                sqlTaskExecution.addSources(ImmutableList.of(new TaskSource(TABLE_SCAN_NODE_ID, ImmutableSet.of(newMarkerSplit(7, TABLE_SCAN_NODE_ID, Lifespan.driverGroup(7), 3)), true)));
                // resume operator execution
                testingScanOperatorFactory.getPauser().resume();
                // assert that pipeline will have no more drivers for driver group [1, 5, 7]
                waitUntilEquals(testingScanOperatorFactory::getDriverGroupsWithNoMoreOperators, ImmutableSet.of(Lifespan.driverGroup(1), Lifespan.driverGroup(5), Lifespan.driverGroup(7)), ASSERT_WAIT_TIMEOUT);
                // assert that pipeline will have no more drivers
                waitUntilEquals(testingScanOperatorFactory::isOverallNoMoreOperators, true, ASSERT_WAIT_TIMEOUT);
                // assert that result is produced
                outputBufferConsumer.consume(45 + 54 + 1, ASSERT_WAIT_TIMEOUT);
                outputBufferConsumer.assertBufferComplete(ASSERT_WAIT_TIMEOUT);
                // assert that driver group [1, 5, 7] is fully completed
                waitUntilEquals(taskContext::getCompletedDriverGroups, ImmutableSet.of(Lifespan.driverGroup(1), Lifespan.driverGroup(5), Lifespan.driverGroup(7)), ASSERT_WAIT_TIMEOUT);
                break;
            default:
                throw new UnsupportedOperationException();
        }
        // complete the task by calling abort on it
        outputBufferConsumer.abort();
        TaskState taskState = taskStateMachine.getStateChange(TaskState.RUNNING).get(10, SECONDS);
        assertEquals(taskState, TaskState.FINISHED);
    } finally {
        taskExecutor.stop();
        taskNotificationExecutor.shutdownNow();
        driverYieldExecutor.shutdown();
    }
}

Example 14 with TaskContext

use of io.prestosql.operator.TaskContext in project hetu-core by openlookeng.

the class TestMemoryRevokingScheduler method testScheduleMemoryRevoking.

@Test
public void testScheduleMemoryRevoking() throws Exception {
    SqlTask sqlTask1 = newSqlTask();
    SqlTask sqlTask2 = newSqlTask();
    TaskContext taskContext1 = sqlTask1.getQueryContext().addTaskContext(new TaskStateMachine(new TaskId("q1", 1, 1), executor), session, false, false, OptionalInt.empty(), Optional.empty(), TESTING_SERDE_FACTORY);
    PipelineContext pipelineContext11 = taskContext1.addPipelineContext(0, false, false, false);
    DriverContext driverContext111 = pipelineContext11.addDriverContext();
    OperatorContext operatorContext1 = driverContext111.addOperatorContext(1, new PlanNodeId("na"), "na");
    OperatorContext operatorContext2 = driverContext111.addOperatorContext(2, new PlanNodeId("na"), "na");
    DriverContext driverContext112 = pipelineContext11.addDriverContext();
    OperatorContext operatorContext3 = driverContext112.addOperatorContext(3, new PlanNodeId("na"), "na");
    TaskContext taskContext2 = sqlTask2.getQueryContext().addTaskContext(new TaskStateMachine(new TaskId("q2", 1, 1), executor), session, false, false, OptionalInt.empty(), Optional.empty(), TESTING_SERDE_FACTORY);
    PipelineContext pipelineContext21 = taskContext2.addPipelineContext(1, false, false, false);
    DriverContext driverContext211 = pipelineContext21.addDriverContext();
    OperatorContext operatorContext4 = driverContext211.addOperatorContext(4, new PlanNodeId("na"), "na");
    OperatorContext operatorContext5 = driverContext211.addOperatorContext(5, new PlanNodeId("na"), "na");
    Collection<SqlTask> tasks = ImmutableList.of(sqlTask1, sqlTask2);
    MemoryRevokingScheduler scheduler = new MemoryRevokingScheduler(singletonList(memoryPool), () -> tasks, executor, 1.0, 1.0, false, new DataSize(512, MEGABYTE).toBytes());
    allOperatorContexts = ImmutableSet.of(operatorContext1, operatorContext2, operatorContext3, operatorContext4, operatorContext5);
    assertMemoryRevokingNotRequested();
    requestMemoryRevoking(scheduler);
    assertEquals(10, memoryPool.getFreeBytes());
    assertMemoryRevokingNotRequested();
    LocalMemoryContext revocableMemory1 = operatorContext1.localRevocableMemoryContext();
    LocalMemoryContext revocableMemory3 = operatorContext3.localRevocableMemoryContext();
    LocalMemoryContext revocableMemory4 = operatorContext4.localRevocableMemoryContext();
    LocalMemoryContext revocableMemory5 = operatorContext5.localRevocableMemoryContext();
    revocableMemory1.setBytes(3);
    revocableMemory3.setBytes(6);
    assertEquals(1, memoryPool.getFreeBytes());
    requestMemoryRevoking(scheduler);
    // we are still good - no revoking needed
    assertMemoryRevokingNotRequested();
    revocableMemory4.setBytes(7);
    assertEquals(-6, memoryPool.getFreeBytes());
    requestMemoryRevoking(scheduler);
    // we need to revoke 3 and 6
    assertMemoryRevokingRequestedFor(operatorContext1, operatorContext3);
    // yet another revoking request should not change anything
    requestMemoryRevoking(scheduler);
    assertMemoryRevokingRequestedFor(operatorContext1, operatorContext3);
    // lets revoke some bytes
    revocableMemory1.setBytes(0);
    operatorContext1.resetMemoryRevokingRequested();
    requestMemoryRevoking(scheduler);
    assertMemoryRevokingRequestedFor(operatorContext3);
    assertEquals(-3, memoryPool.getFreeBytes());
    // and allocate some more
    revocableMemory5.setBytes(3);
    assertEquals(-6, memoryPool.getFreeBytes());
    requestMemoryRevoking(scheduler);
    // we are still good with just OC3 in process of revoking
    assertMemoryRevokingRequestedFor(operatorContext3);
    // and allocate some more
    revocableMemory5.setBytes(4);
    assertEquals(-7, memoryPool.getFreeBytes());
    requestMemoryRevoking(scheduler);
    // no we have to trigger revoking for OC4
    assertMemoryRevokingRequestedFor(operatorContext3, operatorContext4);
}

Example 15 with TaskContext

use of io.prestosql.operator.TaskContext in project hetu-core by openlookeng.

the class TestMemoryRevokingScheduler method createContexts.

private OperatorContext createContexts(SqlTask sqlTask) {
    TaskContext taskContext = sqlTask.getQueryContext().addTaskContext(new TaskStateMachine(new TaskId("q", 1, 1), executor), session, false, false, OptionalInt.empty(), Optional.empty(), TESTING_SERDE_FACTORY);
    PipelineContext pipelineContext = taskContext.addPipelineContext(0, false, false, false);
    DriverContext driverContext = pipelineContext.addDriverContext();
    OperatorContext operatorContext = driverContext.addOperatorContext(1, new PlanNodeId("na"), "na");
    return operatorContext;
}