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Improve task reuse by completely clearing the task when reusing (more efficient than multiple edit/reload calls)

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This commit is contained in:
allegroai 2020-05-22 10:45:46 +03:00
parent 93fa3bfbbd
commit d48fa33744
2 changed files with 50 additions and 19 deletions
trains
backend_interface/task
task.py
task.py

34
trains/backend_interface/task/task.py
View File

@ -124,6 +124,7 @@ class Task(IdObjectBase, AccessMixin, SetupUploadMixin):
self._app_server = None
self._files_server = None
self._initial_iteration_offset = 0
self._reload_skip_flag = False
if not task_id:
# generate a new task
@ -456,6 +457,8 @@ class Task(IdObjectBase, AccessMixin, SetupUploadMixin):
def _reload(self):
""" Reload the task object from the backend """
with self._edit_lock:
if self._reload_skip_flag and self._data:
return self._data
res = self.send(tasks.GetByIdRequest(task=self.id))
return res.response.task
@ -464,6 +467,10 @@ class Task(IdObjectBase, AccessMixin, SetupUploadMixin):
self.send(tasks.ResetRequest(task=self.id))
if set_started_on_success:
self.started()
elif self._data:
# if not started, make sure the current cached state is synced
self._data.status = self.TaskStatusEnum.created
self.reload()
def started(self, ignore_errors=True):
@ -1055,6 +1062,29 @@ class Task(IdObjectBase, AccessMixin, SetupUploadMixin):
except Exception:
return None
def _clear_task(self, system_tags=None, comment=None):
self._data.script = tasks.Script(
binary='', repository='', tag='', branch='', version_num='', entry_point='',
working_dir='', requirements={}, diff='',
)
self._data.execution = tasks.Execution(
artifacts=[], dataviews=[], model='', model_desc={}, model_labels={}, parameters={}, docker_cmd='')
self._data.comment = str(comment)
self._storage_uri = None
self._data.output.destination = self._storage_uri
self._update_requirements('')
if Session.check_min_api_version('2.3'):
self._set_task_property("system_tags", system_tags)
self._edit(system_tags=self._data.system_tags, comment=self._data.comment,
script=self._data.script, execution=self._data.execution, output_dest='')
else:
self._set_task_property("tags", system_tags)
self._edit(tags=self._data.tags, comment=self._data.comment,
script=self._data.script, execution=self._data.execution, output_dest=None)
@classmethod
def _get_api_server(cls):
return Session.get_api_server_host()
@ -1067,8 +1097,8 @@ class Task(IdObjectBase, AccessMixin, SetupUploadMixin):
def _edit(self, **kwargs):
with self._edit_lock:
# Since we ae using forced update, make sure he task status is valid
if not self._data or (str(self.data.status) not in (str(tasks.TaskStatusEnum.created),
str(tasks.TaskStatusEnum.in_progress))):
status = self._data.status if self._data and self._reload_skip_flag else self.data.status
if status not in (tasks.TaskStatusEnum.created, tasks.TaskStatusEnum.in_progress):
# the exception being name/comment that we can always change.
if kwargs and all(k in ('name', 'comment') for k in kwargs.keys()):
pass

35
trains/task.py
View File

@ -1489,7 +1489,7 @@ class Task(_Task):
task_tags = task.data.system_tags if hasattr(task.data, 'system_tags') else task.data.tags
task_artifacts = task.data.execution.artifacts \
if hasattr(task.data.execution, 'artifacts') else None
if ((str(task.status) in (str(tasks.TaskStatusEnum.published), str(tasks.TaskStatusEnum.closed)))
if ((str(task._status) in (str(tasks.TaskStatusEnum.published), str(tasks.TaskStatusEnum.closed)))
or task.output_model_id or (ARCHIVED_TAG in task_tags)
or (cls._development_tag not in task_tags)
or task_artifacts):
@ -1499,20 +1499,16 @@ class Task(_Task):
default_task_id = None
task = None
else:
# reset the task, so we can update it
task.reset(set_started_on_success=False, force=False)
# set development tags
task.set_system_tags([cls._development_tag])
# clear task parameters, they are not cleared by the Task reset
task.set_parameters({}, __update=False)
# clear the comment, it is not cleared on reset
task.set_comment(make_message('Auto-generated at %(time)s by %(user)s@%(host)s'))
# clear the input model (and task model design/labels)
task.set_input_model(model_id='', update_task_design=False, update_task_labels=False)
task._set_model_config(config_text='')
task.set_model_label_enumeration({})
task.set_artifacts([])
task._set_storage_uri(None)
with task._edit_lock:
# from now on, there is no need to reload, we just clear stuff,
# this flag will be cleared off once we actually refresh at the end of the function
task._reload_skip_flag = True
# reset the task, so we can update it
task.reset(set_started_on_success=False, force=False)
# clear the heaviest stuff first
task._clear_task(
system_tags=[cls._development_tag],
comment=make_message('Auto-generated at %(time)s by %(user)s@%(host)s'))
except (Exception, ValueError):
# we failed reusing task, create a new one
@ -1527,6 +1523,8 @@ class Task(_Task):
task_type=default_task_type,
log_to_backend=True,
)
# no need to reload yet, we clear this before the end of the function
task._reload_skip_flag = True
if in_dev_mode:
# update this session, for later use
@ -1536,6 +1534,10 @@ class Task(_Task):
# mark the task as started
task.started()
# reload, making sure we are synced
task._reload_skip_flag = False
task.reload()
# force update of base logger to this current task (this is the main logger task)
task._setup_log(replace_existing=True)
logger = task.get_logger()
@ -1556,12 +1558,11 @@ class Task(_Task):
else:
task._update_repository()
# make sure everything is in sync
task.reload()
# make sure we see something in the UI
thread = threading.Thread(target=LoggerRoot.flush)
thread.daemon = True
thread.start()
return task
def _get_logger(self, flush_period=NotSet):