Package com.facebook.presto.operator

Examples of com.facebook.presto.operator.TaskContext

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    }

    private synchronized void batchLoadRequests(List<UpdateRequest> requests)
    {
        if (indexSnapshotBuilder == null) {
            TaskContext taskContext = taskContextReference.get();
            checkState(taskContext != null, "Task context must be set before index can be built");
            PipelineContext pipelineContext = taskContext.addPipelineContext(false, false);
            indexSnapshotBuilder = new IndexSnapshotBuilder(
                    driverFactory,
                    pipelineContext,
                    sourcePlanNodeId,
                    pagesIndexOutput,
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                {
                    return new BufferInfo(outputId, false, 0, 0);
                }
            }));

            TaskStats taskStats = new TaskContext(taskId, executor, session).getTaskStats();

            taskInfo = new StateMachine<>("task " + taskId, executor, new TaskInfo(
                    taskId,
                    TaskInfo.MIN_VERSION,
                    TaskState.PLANNED,
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        return result;
    }

    private static DriverContext createDriverContext(Session session)
    {
        return new TaskContext(new TaskId("query", "stage", "task"), EXECUTOR, session)
                .addPipelineContext(true, true)
                .addDriverContext();
    }
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        return result;
    }

    private static DriverContext createDriverContext(Session session)
    {
        return new TaskContext(new TaskId("query", "stage", "task"), EXECUTOR, session)
                .addPipelineContext(true, true)
                .addDriverContext();
    }
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                .setSchema("schema")
                .setTimeZoneKey(UTC_KEY)
                .setLocale(ENGLISH)
                .build();
        ExecutorService executor = localQueryRunner.getExecutor();
        TaskContext taskContext = new TaskContext(
                new TaskStateMachine(new TaskId("query", "stage", "task"), executor),
                executor,
                session,
                new DataSize(256, MEGABYTE),
                new DataSize(1, MEGABYTE),
                false);

        CpuTimer cpuTimer = new CpuTimer();
        execute(taskContext);
        CpuDuration executionTime = cpuTimer.elapsedTime();

        TaskStats taskStats = taskContext.getTaskStats();
        long inputRows = taskStats.getRawInputPositions();
        long inputBytes = taskStats.getRawInputDataSize().toBytes();
        long outputRows = taskStats.getOutputPositions();
        long outputBytes = taskStats.getOutputDataSize().toBytes();
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        ColumnFileHandle targetFileHandle = builder.build();

        if (!sources.isEmpty()) {
            // Throw out any stats generated by the optimization step
            ConnectorSession session = new ConnectorSession("user", "source", "catalog", "schema", UTC_KEY, Locale.ENGLISH, "address", "agent");
            OperatorContext operatorContext = new TaskContext(new TaskId("query", "stage", "task"), executor, session)
                    .addPipelineContext(true, true)
                    .addDriverContext()
                    .addOperatorContext(0, "OptimizeEncodings");

            AlignmentOperator source = new AlignmentOperator(operatorContext, sources);
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            // cache task info
            taskInfos.putIfAbsent(taskInfo.getTaskId(), taskInfo);

            // record input and output stats
            TaskContext taskContext = taskExecution.getTaskContext();
            finishedInputDataSize.merge(taskContext.getInputDataSize());
            finishedInputPositions.merge(taskContext.getInputPositions());
            finishedOutputDataSize.merge(taskContext.getOutputDataSize());
            finishedOutputPositions.merge(taskContext.getOutputPositions());

            // remove task (after caching the task info)
            tasks.remove(taskInfo.getTaskId());
        }
        return taskInfo;
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        if (taskExecution == null) {
            TaskInfo taskInfo = taskInfos.get(taskId);
            if (taskInfo == null) {
                // task does not exist yet, mark the task as canceled, so later if a late request
                // comes in to create the task, the task remains canceled
                TaskContext taskContext = new TaskContext(
                        new TaskStateMachine(taskId, taskNotificationExecutor),
                        taskManagementExecutor,
                        null,
                        maxTaskMemoryUsage,
                        operatorPreAllocatedMemory,
                        cpuTimerEnabled);

                taskInfo = new TaskInfo(taskId,
                        Long.MAX_VALUE,
                        TaskState.CANCELED,
                        URI.create("unknown"),
                        DateTime.now(),
                        new SharedBufferInfo(QueueState.FINISHED, 0, 0, ImmutableList.<BufferInfo>of()),
                        ImmutableSet.<PlanNodeId>of(),
                        taskContext.getTaskStats(),
                        ImmutableList.<ExecutionFailureInfo>of());
                TaskInfo existingTaskInfo = taskInfos.putIfAbsent(taskId, taskInfo);
                if (existingTaskInfo != null) {
                    taskInfo = existingTaskInfo;
                }
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        CounterStat temp;

        temp = new CounterStat();
        temp.merge(finishedInputDataSize);
        for (TaskExecution taskExecution : tasks.values()) {
            TaskContext taskContext = taskExecution.getTaskContext();
            temp.merge(taskContext.getInputDataSize());
        }
        inputDataSize.resetTo(temp);

        temp = new CounterStat();
        temp.merge(finishedInputPositions);
        for (TaskExecution taskExecution : tasks.values()) {
            TaskContext taskContext = taskExecution.getTaskContext();
            temp.merge(taskContext.getInputPositions());
        }
        inputPositions.resetTo(temp);

        temp = new CounterStat();
        temp.merge(finishedOutputDataSize);
        for (TaskExecution taskExecution : tasks.values()) {
            TaskContext taskContext = taskExecution.getTaskContext();
            temp.merge(taskContext.getOutputDataSize());
        }
        outputDataSize.resetTo(temp);

        temp = new CounterStat();
        temp.merge(finishedOutputPositions);
        for (TaskExecution taskExecution : tasks.values()) {
            TaskContext taskContext = taskExecution.getTaskContext();
            temp.merge(taskContext.getOutputPositions());
        }
        outputPositions.resetTo(temp);
    }
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                {
                    return new BufferInfo(outputId, false, 0, 0);
                }
            }));

            TaskStats taskStats = new TaskContext(taskId, executor, session).getTaskStats();

            taskInfo = new StateMachine<>("task " + taskId, executor, new TaskInfo(
                    taskId,
                    TaskInfo.MIN_VERSION,
                    TaskState.PLANNED,
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Related Classes of com.facebook.presto.operator.TaskContext

  • com.facebook.presto.benchmark.AbstractOperatorBenchmark
  • com.facebook.presto.execution.MockRemoteTaskFactory$MockRemoteTask
  • com.facebook.presto.execution.SqlTask$TaskHolder
  • com.facebook.presto.execution.SqlTaskExecution
  • com.facebook.presto.execution.SqlTaskExecutionFactory
  • com.facebook.presto.execution.SqlTaskManager
  • com.facebook.presto.execution.TaskStateMachine
  • com.facebook.presto.execution.TestSqlStageExecution$MockRemoteTaskFactory$MockRemoteTask
  • com.facebook.presto.metadata.DatabaseLocalStorageManager
  • com.facebook.presto.metadata.TestDatabaseLocalStorageManager
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