Jonathan Delfour created BEAM-3757:
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Summary: Shuffle read failed using python 2.2.0
Key: BEAM-3757
URL: https://issues.apache.org/jira/browse/BEAM-3757
Project: Beam
Issue Type: Bug
Components: runner-dataflow
Affects Versions: 2.2.0
Environment: gcp, macos
Reporter: Jonathan Delfour
Assignee: Thomas Groh
Hi,
First issue is that the beam 2.3.0 python SDK is apparently not working on GCP.
It gets stuck:
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Workflow failed. Causes: (bf832d44290fbf41): The Dataflow appears to be stuck.
You can get help with Cloud Dataflow at
https://cloud.google.com/dataflow/support.
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I tried two times.
Reverting back to 2.2.0: it usually works but today, after > 1 hour of
processing, and 30 workers used, I get a failure with these in the logs:
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Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py",
line 582, in do_work
work_executor.execute()
File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/executor.py",
line 167, in execute
op.start()
File "dataflow_worker/shuffle_operations.py", line 49, in
dataflow_worker.shuffle_operations.GroupedShuffleReadOperation.start
def start(self):
File "dataflow_worker/shuffle_operations.py", line 50, in
dataflow_worker.shuffle_operations.GroupedShuffleReadOperation.start
with self.scoped_start_state:
File "dataflow_worker/shuffle_operations.py", line 65, in
dataflow_worker.shuffle_operations.GroupedShuffleReadOperation.start
with self.shuffle_source.reader() as reader:
File "dataflow_worker/shuffle_operations.py", line 67, in
dataflow_worker.shuffle_operations.GroupedShuffleReadOperation.start
for key_values in reader:
File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/shuffle.py",
line 406, in __iter__
for entry in entries_iterator:
File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/shuffle.py",
line 248, in next
return next(self.iterator)
File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/shuffle.py",
line 206, in __iter__
chunk, next_position = self.reader.Read(start_position, end_position)
File "third_party/windmill/shuffle/python/shuffle_client.pyx", line 138, in
shuffle_client.PyShuffleReader.Read
IOError: Shuffle read failed: INTERNAL: Received RST_STREAM with error code 2
talking to my-dataflow-02271107-756f-harness-2p65:12346
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i also get some information message:
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Refusing to split <dataflow_worker.shuffle.GroupedShuffleRangeTracker object at
0x7f03a00fe790> at '\x00\x00\x00\t\x1d\x14\x87\xa3\x00\x01': unstarted
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For the flow, I am extracting data from BQ, cleaning using pandas, exporting as
a csv file, gzipping and uploading the compressed file to a bucket using
decompressive transcoding (csv export, gzip compression and upload are in the
same 'worker' as they are done in the same beam.DoFn).
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