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https://issues.apache.org/jira/browse/BEAM-3645?focusedWorklogId=262787&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-262787
]
ASF GitHub Bot logged work on BEAM-3645:
----------------------------------------
Author: ASF GitHub Bot
Created on: 19/Jun/19 05:34
Start Date: 19/Jun/19 05:34
Worklog Time Spent: 10m
Work Description: Hannah-Jiang commented on pull request #8769: [WIP]
[BEAM-3645] support multi processes for Python FnApiRunner with
EmbeddedGrpcWorkerHandler
URL: https://github.com/apache/beam/pull/8769#discussion_r295126333
##########
File path: sdks/python/apache_beam/runners/portability/fn_api_runner.py
##########
@@ -1418,6 +1449,51 @@ def process_bundle(self, inputs, expected_outputs,
parallel_uid_counter=None):
return result, split_results
+class ParallelBundleManager(BundleManager):
+ _uid_counter = 0
+ def process_bundle(self, inputs, expected_outputs):
+ input_value = list(inputs.values())[0]
+ if isinstance(input_value, list):
Review comment:
Thanks for explanation. Your suggestion brings many advantages. I was able
to get rid of handling threads and reuse BundleManager as it is by writing a
new class with partition() method. It is changed at the new PR.
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Issue Time Tracking
-------------------
Worklog Id: (was: 262787)
Time Spent: 5.5h (was: 5h 20m)
> Support multi-process execution on the FnApiRunner
> --------------------------------------------------
>
> Key: BEAM-3645
> URL: https://issues.apache.org/jira/browse/BEAM-3645
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-core
> Affects Versions: 2.2.0, 2.3.0
> Reporter: Charles Chen
> Assignee: Hannah Jiang
> Priority: Major
> Time Spent: 5.5h
> Remaining Estimate: 0h
>
> https://issues.apache.org/jira/browse/BEAM-3644 gave us a 15x performance
> gain over the previous DirectRunner. We can do even better in multi-core
> environments by supporting multi-process execution in the FnApiRunner, to
> scale past Python GIL limitations.
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