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From the search results, it appears that in Prefect 2.x, tasks within a flow are executed sequentially by default, unless you use features such as

concurrency

or

Flow.submit

to control parallel execution. ### Execution Order in Prefect - Tasks in a flow execute in the order they are submitted unless specifically controlled asynchronously or through concurrency management. - If you call

StifelLoader()

from within

StifelFileRetriever()

,

StifelLoader

will be sequentially executed after the preceding code in

StifelFileRetriever

. - Tasks or subflows can be executed in parallel by utilizing

concurrent task runners

or submitting flows from within another flow to allow for concurrent execution. Relevant Documentation and Discussion: - Flow run example of tasks executed sequentially: Flow run dependency order - Managing task concurrency within a flow: Concurrency handling - Submit subflows to run in the background (potential enhancement): GitHub feature discussion ### Your Code Given your code:

python
@flow(name='loaders-sra-stifel')
def StifelLoader():
    logger = loggers.get_run_logger()
    try:
        inceptionUrl = GetInceptionServiceUrl()
        <http://logger.info|logger.info>(f'Inception Service Url: {inceptionUrl}')
        post_request_process(inceptionUrl, 'StifelLoader', None, 300)
        if time_is_later_than_7AM():
            SRALoaderAlerts()
    except Exception as err:
        logger.error(f'Error from Stifel Loader: {err}')

@flow(name='file-retriever-stifel')
def StifelFileRetriever():
    logger = loggers.get_run_logger()
    try:
        inceptionUrl = GetInceptionServiceUrl()
        <http://logger.info|logger.info>(f'Inception Service Url: {inceptionUrl}')
        post_request_process(inceptionUrl, 'StifelFileRetriever', None, 300)
        StifelLoader()  # This line ensures sequential execution of StifelLoader after previous steps in StifelFileRetriever
    except Exception as err:
        logger.error(f'Error from Stifel File Retriever: {err}')

StifelLoader

is called sequentially after the previous steps in

StifelFileRetriever

. If you want parallel execution, you would need to use concurrent execution tools available in Prefect. Would you like to see an example of converting these flows to run in parallel?