pabloem commented on a change in pull request #11492:
URL: https://github.com/apache/beam/pull/11492#discussion_r416921999
##########
File path:
sdks/python/apache_beam/runners/portability/fn_api_runner/fn_runner.py
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@@ -845,10 +845,12 @@ def process_bundle(self,
(result_future.is_done() and result_future.get().error)):
if isinstance(output, beam_fn_api_pb2.Elements.Timers) and not dry_run:
with BundleManager._lock:
- self.bundle_context_manager.get_buffer(
+ timer_buffer = self.bundle_context_manager.get_buffer(
expected_output_timers[(
output.transform_id, output.timer_family_id)],
- output.transform_id).append(output.timers)
+ output.transform_id)
+ timer_buffer.cleared = False
Review comment:
Did you run into these errors when setting a timer from the timer call,
Max? I think it would be good to explicitly reset the buffer, rather than
manipulate its flag (e.g. write a timer_buffer.reset function). Or at least
check `if timer_buffer.cleared: timer_buffer.cleared = False`, to confirm that
the rest of the internal context in `ListBuffer` is cleared.
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