Esempio n. 1
0
def deferred_ratings():
    """ This is the deferred ratings table calculation process """
    # Disable the in-context cache to save memory
    # (it doesn't give any speed advantage for this processing)
    Context.disable_cache()
    t0 = time.time()

    try:

        _create_ratings()

    except DeadlineExceededError as ex:
        # Hit deadline: save the stuff we already have and
        # defer a new task to continue where we left off
        logging.error(u"Deadline exceeded in ratings, failing permamently")
        # Normal return prevents this task from being run again
        raise deferred.PermanentTaskFailure()

    except Exception as ex:
        logging.error(u"Exception in ratings, failing permanently: {0}".format(ex))
        # Avoid having the task retried
        raise deferred.PermanentTaskFailure()

    t1 = time.time()

    logging.info(u"Ratings calculation finished in {0:.2f} seconds".format(t1 - t0))
    StatsModel.log_cache_stats()
    StatsModel.clear_cache() # Do not maintain the cache in memory between runs
Esempio n. 2
0
def deferred_ratings():
    """ This is the deferred ratings table calculation process """
    # Disable the in-context cache to save memory
    # (it doesn't give any speed advantage for this processing)
    Context.disable_cache()
    t0 = time.time()

    try:

        _create_ratings()

    except DeadlineExceededError as ex:
        # Hit deadline: save the stuff we already have and
        # defer a new task to continue where we left off
        logging.error(u"Deadline exceeded in ratings, failing permamently")
        # Normal return prevents this task from being run again
        raise deferred.PermanentTaskFailure()

    except Exception as ex:
        logging.error(
            u"Exception in ratings, failing permanently: {0}".format(ex))
        # Avoid having the task retried
        raise deferred.PermanentTaskFailure()

    t1 = time.time()

    logging.info(u"Ratings calculation finished in {0:.2f} seconds".format(t1 -
                                                                           t0))
    StatsModel.log_cache_stats()
    StatsModel.clear_cache(
    )  # Do not maintain the cache in memory between runs
Esempio n. 3
0
def deferred_ratings():
    """ This is the deferred ratings table calculation process """

    with Client.get_context() as context:

        t0 = time.time()
        try:
            _create_ratings()
        except Exception as ex:
            logging.error("Exception in deferred_ratings: {0!r}".format(ex))
            return
        t1 = time.time()

        StatsModel.log_cache_stats()
        # Do not maintain the cache in memory between runs
        StatsModel.clear_cache()

        logging.info(
            "Ratings calculation finished in {0:.2f} seconds".format(t1 - t0))