def _wait_futures(self, data):
logger.info('Reduce function: waiting for map results')
fut_list = data['results']
wait_storage(fut_list, self.internal_storage, download_results=True)
results = [f.result() for f in fut_list if f.done and not f.futures]
fut_list.clear()
data['results'] = results
def reduce_function_wrapper(fut_list, internal_storage, ibm_cos):
logger.info('Waiting for results')
if 'SHOW_MEMORY_USAGE' in os.environ:
show_memory = eval(os.environ['SHOW_MEMORY_USAGE'])
else:
show_memory = False
# Wait for all results
wait_storage(fut_list, internal_storage, download_results=True)
results = [f.result() for f in fut_list if f.done and not f.futures]
fut_list.clear()
reduce_func_args = {'results': results}
if show_memory:
logger.debug("Memory usage after getting the results: {}".format(
utils.get_current_memory_usage()))
# Run reduce function
func_sig = inspect.signature(reduce_function)
if 'ibm_cos' in func_sig.parameters:
reduce_func_args['ibm_cos'] = ibm_cos
if 'internal_storage' in func_sig.parameters:
reduce_func_args['internal_storage'] = internal_storage
return reduce_function(**reduce_func_args)
def wait(self,
fs=None,
throw_except=True,
return_when=ALL_COMPLETED,
download_results=False,
timeout=EXECUTION_TIMEOUT,
THREADPOOL_SIZE=128,
WAIT_DUR_SEC=1):
"""
Wait for the Future instances (possibly created by different Executor instances)
given by fs to complete. Returns a named 2-tuple of sets. The first set, named done,
contains the futures that completed (finished or cancelled futures) before the wait
completed. The second set, named not_done, contains the futures that did not complete
(pending or running futures). timeout can be used to control the maximum number of
seconds to wait before returning.
:param fs: Futures list. Default None
:param throw_except: Re-raise exception if call raised. Default True.
:param return_when: One of `ALL_COMPLETED`, `ANY_COMPLETED`, `ALWAYS`
:param download_results: Download results. Default false (Only get statuses)
:param timeout: Timeout of waiting for results.
:param THREADPOOL_SIZE: Number of threads to use. Default 64
:param WAIT_DUR_SEC: Time interval between each check.
:return: `(fs_done, fs_notdone)`
where `fs_done` is a list of futures that have completed
and `fs_notdone` is a list of futures that have not completed.
:rtype: 2-tuple of list
"""
if not fs:
fs = []
for job in self.jobs:
if not download_results and self.jobs[job][
'state'] == JobState.Running:
fs.extend(self.jobs[job]['futures'])
self.jobs[job]['state'] = JobState.Ready
elif download_results and self.jobs[job][
'state'] != JobState.Done:
fs.extend(self.jobs[job]['futures'])
self.jobs[job]['state'] = JobState.Done
if type(fs) != list:
futures = [fs]
else:
futures = fs
if not futures:
raise Exception(
'You must run the call_async(), map() or map_reduce(), or provide'
' a list of futures before calling the monitor()/get_result() method'
)
if download_results:
msg = 'ExecutorID {} - Getting results...'.format(self.executor_id)
else:
msg = 'ExecutorID {} - Waiting for functions to complete...'.format(
self.executor_id)
logger.info(msg)
if not self.log_level and self._state == FunctionExecutor.State.Running:
print(msg)
if is_unix_system():
signal.signal(signal.SIGALRM, timeout_handler)
signal.alarm(timeout)
pbar = None
if not self.is_remote_cluster and self._state == FunctionExecutor.State.Running \
and not self.log_level:
from tqdm.auto import tqdm
if is_notebook():
pbar = tqdm(bar_format='{n}/|/ {n_fmt}/{total_fmt}',
total=len(futures)) # ncols=800
else:
print()
pbar = tqdm(bar_format=' {l_bar}{bar}| {n_fmt}/{total_fmt} ',
total=len(futures),
disable=False)
try:
if self.rabbitmq_monitor:
logger.info('Using RabbitMQ to monitor function activations')
wait_rabbitmq(futures,
self.internal_storage,
rabbit_amqp_url=self.rabbit_amqp_url,
download_results=download_results,
throw_except=throw_except,
pbar=pbar,
return_when=return_when,
THREADPOOL_SIZE=THREADPOOL_SIZE)
else:
wait_storage(futures,
self.internal_storage,
download_results=download_results,
throw_except=throw_except,
return_when=return_when,
pbar=pbar,
THREADPOOL_SIZE=THREADPOOL_SIZE,
WAIT_DUR_SEC=WAIT_DUR_SEC)
except FunctionException as e:
if is_unix_system():
signal.alarm(0)
if pbar:
pbar.close()
logger.info(e.msg)
if not self.log_level:
if not is_notebook():
print()
print(e.msg)
if e.exc_msg:
logger.info('Exception: ' + e.exc_msg)
if not self.log_level:
print('--> Exception: ' + e.exc_msg)
else:
print()
traceback.print_exception(*e.exception)
sys.exit()
except TimeoutError:
if download_results:
not_dones_call_ids = [(f.job_id, f.call_id) for f in futures
if not f.done]
else:
not_dones_call_ids = [(f.job_id, f.call_id) for f in futures
if not f.ready and not f.done]
msg = (
'ExecutorID {} - Raised timeout of {} seconds waiting for results - Total Activations not done: {}'
.format(self.executor_id, timeout, len(not_dones_call_ids)))
self._state = FunctionExecutor.State.Error
except KeyboardInterrupt:
if download_results:
not_dones_call_ids = [(f.job_id, f.call_id) for f in futures
if not f.done]
else:
not_dones_call_ids = [(f.job_id, f.call_id) for f in futures
if not f.ready and not f.done]
msg = ('ExecutorID {} - Cancelled - Total Activations not done: {}'
.format(self.executor_id, len(not_dones_call_ids)))
self._state = FunctionExecutor.State.Error
except Exception as e:
if not self.is_remote_cluster:
self.clean()
raise e
finally:
if is_unix_system():
signal.alarm(0)
if pbar:
pbar.close()
if not is_notebook():
print()
if self._state == FunctionExecutor.State.Error:
logger.debug(msg)
if not self.log_level:
print(msg)
if download_results and self.data_cleaner and not self.is_remote_cluster:
self.clean()
if download_results:
fs_done = [f for f in futures if f.done]
fs_notdone = [f for f in futures if not f.done]
self._state = FunctionExecutor.State.Done
else:
fs_done = [f for f in futures if f.ready or f.done]
fs_notdone = [f for f in futures if not f.ready and not f.done]
self._state = FunctionExecutor.State.Ready
return fs_done, fs_notdone
def wait(self, fs=None, throw_except=True, return_when=ALL_COMPLETED, download_results=False,
timeout=None, THREADPOOL_SIZE=128, WAIT_DUR_SEC=1):
"""
Wait for the Future instances (possibly created by different Executor instances)
given by fs to complete. Returns a named 2-tuple of sets. The first set, named done,
contains the futures that completed (finished or cancelled futures) before the wait
completed. The second set, named not_done, contains the futures that did not complete
(pending or running futures). timeout can be used to control the maximum number of
seconds to wait before returning.
:param fs: Futures list. Default None
:param throw_except: Re-raise exception if call raised. Default True.
:param return_when: One of `ALL_COMPLETED`, `ANY_COMPLETED`, `ALWAYS`
:param download_results: Download results. Default false (Only get statuses)
:param timeout: Timeout of waiting for results.
:param THREADPOOL_SIZE: Number of threads to use. Default 64
:param WAIT_DUR_SEC: Time interval between each check.
:return: `(fs_done, fs_notdone)`
where `fs_done` is a list of futures that have completed
and `fs_notdone` is a list of futures that have not completed.
:rtype: 2-tuple of list
"""
futures = self.futures if not fs else fs
if type(futures) != list:
futures = [futures]
if not futures:
raise Exception('You must run the call_async(), map() or map_reduce(), or provide'
' a list of futures before calling the wait()/get_result() method')
if download_results:
msg = 'ExecutorID {} - Getting results...'.format(self.executor_id)
futures = [f for f in futures if not f.done]
fs_done = [f for f in futures if f.done]
else:
msg = 'ExecutorID {} - Waiting for functions to complete...'.format(self.executor_id)
futures = [f for f in futures if not f.ready and not f.done]
fs_done = [f for f in futures if f.ready or f.done]
if not futures:
return fs_done, []
print(msg) if not self.log_level else logger.info(msg)
if is_unix_system() and timeout is not None:
logger.debug('Setting waiting timeout to {} seconds'.format(timeout))
error_msg = 'Timeout of {} seconds exceeded waiting for function activations to finish'.format(timeout)
signal.signal(signal.SIGALRM, partial(timeout_handler, error_msg))
signal.alarm(timeout)
pbar = None
error = False
if not self.is_pywren_function and not self.log_level:
from tqdm.auto import tqdm
if is_notebook():
pbar = tqdm(bar_format='{n}/|/ {n_fmt}/{total_fmt}', total=len(futures)) # ncols=800
else:
print()
pbar = tqdm(bar_format=' {l_bar}{bar}| {n_fmt}/{total_fmt} ', total=len(futures), disable=False)
try:
if self.rabbitmq_monitor:
logger.info('Using RabbitMQ to monitor function activations')
wait_rabbitmq(futures, self.internal_storage, rabbit_amqp_url=self.rabbit_amqp_url,
download_results=download_results, throw_except=throw_except,
pbar=pbar, return_when=return_when, THREADPOOL_SIZE=THREADPOOL_SIZE)
else:
wait_storage(futures, self.internal_storage, download_results=download_results,
throw_except=throw_except, return_when=return_when, pbar=pbar,
THREADPOOL_SIZE=THREADPOOL_SIZE, WAIT_DUR_SEC=WAIT_DUR_SEC)
except KeyboardInterrupt:
if download_results:
not_dones_call_ids = [(f.job_id, f.call_id) for f in futures if not f.done]
else:
not_dones_call_ids = [(f.job_id, f.call_id) for f in futures if not f.ready and not f.done]
msg = ('ExecutorID {} - Cancelled - Total Activations not done: {}'
.format(self.executor_id, len(not_dones_call_ids)))
if pbar:
pbar.close()
print()
print(msg) if not self.log_level else logger.info(msg)
error = True
except Exception as e:
error = True
raise e
finally:
self.invoker.stop()
if is_unix_system():
signal.alarm(0)
if pbar and not pbar.disable:
pbar.close()
if not is_notebook():
print()
if self.data_cleaner and not self.is_pywren_function:
self.clean(cloudobjects=False, force=False, log=False)
if not fs and error and is_notebook():
del self.futures[len(self.futures)-len(futures):]
if download_results:
fs_done = [f for f in futures if f.done]
fs_notdone = [f for f in futures if not f.done]
else:
fs_done = [f for f in futures if f.ready or f.done]
fs_notdone = [f for f in futures if not f.ready and not f.done]
return fs_done, fs_notdone
