Examples with BufferInfo com.facebook.presto.execution.buffer.BufferInfo used on opensource projects

Example 1 with BufferInfo

use of com.facebook.presto.execution.buffer.BufferInfo in project presto by prestodb.

the class QueryExecutionResource method getTaskInfo.

@GET
@Path("/v1/query-execution/{queryId}")
@Produces(MediaType.APPLICATION_JSON)
public Response getTaskInfo(@PathParam("queryId") String queryId) {
    QueryInfo query;
    try {
        query = manager.getQueryInfo(QueryId.valueOf(queryId));
    } catch (NoSuchElementException e) {
        return Response.status(Response.Status.NOT_FOUND).build();
    }
    List<StageInfo> stages = collectStages(query.getOutputStage());
    List<Task> tasks = new ArrayList<>();
    List<Flow> flows = new ArrayList<>();
    for (StageInfo stage : stages) {
        for (TaskInfo task : stage.getTasks()) {
            int bufferedPages = 0;
            TaskStatus taskStatus = task.getTaskStatus();
            for (BufferInfo bufferInfo : task.getOutputBuffers().getBuffers()) {
                bufferedPages += bufferInfo.getBufferedPages();
                if (!bufferInfo.getBufferId().equals(OUTPUT_TASK_ID)) {
                    flows.add(new Flow(taskStatus.getTaskId().toString(), bufferInfo.getBufferId().toString(), bufferInfo.getPageBufferInfo().getPagesAdded(), bufferInfo.getBufferedPages(), bufferInfo.isFinished()));
                }
            }
            long last = TimeUnit.NANOSECONDS.toMillis(System.nanoTime());
            if (task.getStats().getEndTime() != null) {
                last = task.getStats().getEndTime().getMillis();
            }
            tasks.add(new Task(taskStatus.getTaskId().toString(), taskStatus.getState().toString(), taskStatus.getSelf().getHost(), last - task.getStats().getCreateTime().getMillis(), task.getStats().getTotalCpuTime().roundTo(TimeUnit.MILLISECONDS), task.getStats().getTotalBlockedTime().roundTo(TimeUnit.MILLISECONDS), task.getStats().getRawInputDataSize().roundTo(DataSize.Unit.BYTE), task.getStats().getRawInputPositions(), task.getStats().getOutputDataSize().roundTo(DataSize.Unit.BYTE), task.getStats().getOutputPositions(), task.getStats().getMemoryReservation().roundTo(DataSize.Unit.BYTE), task.getStats().getQueuedDrivers(), task.getStats().getRunningDrivers(), task.getStats().getCompletedDrivers(), bufferedPages));
        }
    }
    Map<String, Object> result = ImmutableMap.<String, Object>builder().put("tasks", tasks).put("flows", flows).build();
    return Response.ok(result).build();
}