aaltay opened a new pull request #12077:
URL: https://github.com/apache/beam/pull/12077
Disable defensive_copy by default in InMemoryUnmergedState
Results in lulls with the following stack trace:
File "/usr/local/lib/python3.7/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "/usr/local/lib/python3.7/runpy.py", line 85, in _run_code exec(code,
run_globals)
File "/usr/local/lib/python3.7/site-packages/dataflow_worker/start.py",
line 144, in <module> main()
File "/usr/local/lib/python3.7/site-packages/dataflow_worker/start.py",
line 140, in main batchworker.BatchWorker(properties,
sdk_pipeline_options).run()
File
"/usr/local/lib/python3.7/site-packages/dataflow_worker/batchworker.py", line
843, in run deferred_exception_details=deferred_exception_details)
File
"/usr/local/lib/python3.7/site-packages/dataflow_worker/batchworker.py", line
647, in do_work work_executor.execute()
File "/usr/local/lib/python3.7/site-packages/dataflow_worker/executor.py",
line 179, in execute op.start()
File
"/usr/local/lib/python3.7/site-packages/apache_beam/transforms/trigger.py",
line 1172, in process_elements for output in uncombined:
File
"/usr/local/lib/python3.7/site-packages/apache_beam/transforms/trigger.py",
line 1280, in process_elements state.add_state(window, self.WATERMARK_HOLD,
output_time)
File
"/usr/local/lib/python3.7/site-packages/apache_beam/transforms/trigger.py",
line 941, in add_state self.raw_state.add_state(self._get_id(window), tag,
value)
File
"/usr/local/lib/python3.7/site-packages/apache_beam/transforms/trigger.py",
line 998, in _get_id self._persist_window_ids()
File
"/usr/local/lib/python3.7/site-packages/apache_beam/transforms/trigger.py",
line 1013, in _persist_window_ids
self.raw_state.set_global_state(self.WINDOW_IDS, self.window_ids)
File
"/usr/local/lib/python3.7/site-packages/apache_beam/transforms/trigger.py",
line 1404, in set_global_state value = copy.deepcopy(value)
File "/usr/local/lib/python3.7/copy.py", line 150, in deepcopy y =
copier(x, memo)
File "/usr/local/lib/python3.7/copy.py", line 241, in _deepcopy_dict
y[deepcopy(key, memo)] = deepcopy(value, memo)
File "/usr/local/lib/python3.7/copy.py", line 150, in deepcopy y =
copier(x, memo)
File "/usr/local/lib/python3.7/copy.py", line 216, in _deepcopy_list
append(deepcopy(a, memo))
File "/usr/local/lib/python3.7/copy.py", line 141, in deepcopy d = id(x)
------------------------
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