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https://issues.apache.org/jira/browse/BEAM-8226?focusedWorklogId=313194&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-313194
]
ASF GitHub Bot logged work on BEAM-8226:
----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Sep/19 17:28
Start Date: 16/Sep/19 17:28
Worklog Time Spent: 10m
Work Description: aaltay commented on issue #9571: [BEAM-8226] Alter
getInputElementsConsumed computation for monitoring…
URL: https://github.com/apache/beam/pull/9571#issuecomment-531876864
Should this be cherry picked to the release branch?
/cc @markflyhigh
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Issue Time Tracking
-------------------
Worklog Id: (was: 313194)
Time Spent: 1h (was: 50m)
> Python Streaming Pipeline getting stuck in dataflow
> ---------------------------------------------------
>
> Key: BEAM-8226
> URL: https://issues.apache.org/jira/browse/BEAM-8226
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-harness, sdk-py-harness
> Reporter: Ankur Goenka
> Priority: Blocker
> Fix For: 2.16.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Python streaming pipeline are getting stuck with following error when runing
> on dataflow
>
> Relevant thread stack
> --- Threads (4): [Thread[Thread-19,1,main], Thread[Thread-20,1,main],
> Thread[Thread-21,1,main], Thread[Thread-22,1,main]] State: WAITING stack: ---
> sun.misc.Unsafe.park(Native Method)
> java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
>
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
>
> org.apache.beam.runners.dataflow.worker.fn.data.RemoteGrpcPortWriteOperation.maybeWait(RemoteGrpcPortWriteOperation.java:175)
>
> org.apache.beam.runners.dataflow.worker.fn.data.RemoteGrpcPortWriteOperation.process(RemoteGrpcPortWriteOperation.java:196)
>
> org.apache.beam.runners.dataflow.worker.util.common.worker.OutputReceiver.process(OutputReceiver.java:49)
>
> org.apache.beam.runners.dataflow.worker.util.common.worker.ReadOperation.runReadLoop(ReadOperation.java:201)
>
> org.apache.beam.runners.dataflow.worker.util.common.worker.ReadOperation.start(ReadOperation.java:159)
>
> org.apache.beam.runners.dataflow.worker.util.common.worker.MapTaskExecutor.execute(MapTaskExecutor.java:77)
>
> org.apache.beam.runners.dataflow.worker.fn.control.BeamFnMapTaskExecutor.execute(BeamFnMapTaskExecutor.java:125)
>
> org.apache.beam.runners.dataflow.worker.StreamingDataflowWorker.process(StreamingDataflowWorker.java:1316)
>
> org.apache.beam.runners.dataflow.worker.StreamingDataflowWorker.access$1000(StreamingDataflowWorker.java:149)
>
> org.apache.beam.runners.dataflow.worker.StreamingDataflowWorker$6.run(StreamingDataflowWorker.java:1049)
>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> java.lang.Thread.run(Thread.java:745)
> For Python
> --- Thread #139819623634688 name: ThreadPoolExecutor-1_0 ---
> File "/usr/local/lib/python3.6/threading.py", line 884, in _bootstrap
> self._bootstrap_inner()
> File "/usr/local/lib/python3.6/threading.py", line 916, in _bootstrap_inner
> self.run()
> File "/usr/local/lib/python3.6/threading.py", line 864, in run
> self._target(*self._args, **self._kwargs)
> File "/usr/local/lib/python3.6/concurrent/futures/thread.py", line 69, in
> _worker
> work_item.run()
> File "/usr/local/lib/python3.6/concurrent/futures/thread.py", line 56, in
> run
> result = self.fn(*self.args, **self.kwargs)
> File
> "/usr/local/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py",
> line 191, in task
> self._execute(lambda: worker.do_instruction(work), work)
> File
> "/usr/local/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py",
> line 158, in _execute
> response = task()
> File
> "/usr/local/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py",
> line 191, in <lambda>
> self._execute(lambda: worker.do_instruction(work), work)
> File
> "/usr/local/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py",
> line 343, in do_instruction
> request.instruction_id)
> File
> "/usr/local/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py",
> line 369, in process_bundle
> bundle_processor.process_bundle(instruction_id))
> File
> "/usr/local/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py",
> line 661, in process_bundle
> instruction_id, expected_transforms):
> File
> "/usr/local/lib/python3.6/site-packages/apache_beam/runners/worker/data_plane.py",
> line 213, in input_elements
> data = received.get(timeout=1)
> File "/usr/local/lib/python3.6/queue.py", line 173, in get
> self.not_empty.wait(remaining)
> File "/usr/local/lib/python3.6/threading.py", line 299, in wait
> gotit = waiter.acquire(True, timeout)
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