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https://issues.apache.org/jira/browse/BEAM-9562?focusedWorklogId=418912&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-418912
]
ASF GitHub Bot logged work on BEAM-9562:
----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Apr/20 21:33
Start Date: 08/Apr/20 21:33
Worklog Time Spent: 10m
Work Description: robertwb commented on pull request #11314: [BEAM-9562]
Send Timers over Data Channel as Elements
URL: https://github.com/apache/beam/pull/11314#discussion_r405826837
##########
File path: sdks/python/apache_beam/runners/worker/bundle_processor.py
##########
@@ -846,6 +870,30 @@ def process_bundle(self, instruction_id):
data_channels[input_op.data_channel].append(input_op.transform_id)
input_op_by_transform_id[input_op.transform_id] = input_op
+ # Set up timer output stream
+ timer_output_streams = {}
+ for transform_id, timer_list in self.timer_ids.items():
+ output_streams = {}
+ for timer_id in timer_list:
+ output_streams[
+ timer_id] = self.timer_data_channel.output_timer_stream(
+ instruction_id, transform_id, timer_id)
+ timer_output_streams[transform_id] = output_streams
+ self.process_timer_ops[
+ transform_id].user_state_context.update_timer_output_streams(
+ output_streams)
+
+ # Process timers
+ if self.timer_data_channel:
Review comment:
We can't safely assume the runner will finish sending all timers before
sending any of the data (and the buffer may get full, resulting in a deadlock).
I think we need to have a data_channel.inputs() that returns both data and
timers and then branch in the loop.
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Issue Time Tracking
-------------------
Worklog Id: (was: 418912)
Time Spent: 14.5h (was: 14h 20m)
> Remove timer from PCollection and treat timers as Elements
> -----------------------------------------------------------
>
> Key: BEAM-9562
> URL: https://issues.apache.org/jira/browse/BEAM-9562
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-harness, sdk-py-harness
> Reporter: Boyuan Zhang
> Assignee: Boyuan Zhang
> Priority: Major
> Fix For: 2.21.0
>
> Time Spent: 14.5h
> Remaining Estimate: 0h
>
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