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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2020/10/23 17:51:56 UTC
[GitHub] [beam] robertwb opened a new pull request #13177: Sort stages according to data edges as well as must-follows.
robertwb opened a new pull request #13177:
URL: https://github.com/apache/beam/pull/13177
Previously it was assumed that all data edges were reflected in must follow edges due to fusion having been performed.
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[GitHub] [beam] robertwb commented on a change in pull request #13177: Sort stages according to data edges as well as must-follows.
Posted by GitBox <gi...@apache.org>.
robertwb commented on a change in pull request #13177:
URL: https://github.com/apache/beam/pull/13177#discussion_r514434037
##########
File path: sdks/python/apache_beam/runners/portability/fn_api_runner/translations.py
##########
@@ -1702,13 +1702,26 @@ def sort_stages(stages, pipeline_context):
seen = set() # type: Set[Stage]
ordered = []
+ producers = {
+ pcoll: stage
+ for stage in all_stages for t in stage.transforms
Review comment:
This should be sufficient. Generally the subtransform structure is not preserved when dealing with stages (and is simply reconstructed later).
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[GitHub] [beam] robertwb merged pull request #13177: Sort stages according to data edges as well as must-follows.
Posted by GitBox <gi...@apache.org>.
robertwb merged pull request #13177:
URL: https://github.com/apache/beam/pull/13177
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[GitHub] [beam] robertwb commented on pull request #13177: Sort stages according to data edges as well as must-follows.
Posted by GitBox <gi...@apache.org>.
robertwb commented on pull request #13177:
URL: https://github.com/apache/beam/pull/13177#issuecomment-719096129
Run Python_PVR_Flink PreCommit
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[GitHub] [beam] yifanmai commented on a change in pull request #13177: Sort stages according to data edges as well as must-follows.
Posted by GitBox <gi...@apache.org>.
yifanmai commented on a change in pull request #13177:
URL: https://github.com/apache/beam/pull/13177#discussion_r511169718
##########
File path: sdks/python/apache_beam/runners/portability/fn_api_runner/translations.py
##########
@@ -1702,13 +1702,26 @@ def sort_stages(stages, pipeline_context):
seen = set() # type: Set[Stage]
ordered = []
+ producers = {
+ pcoll: stage
+ for stage in all_stages for t in stage.transforms
Review comment:
Do we need to traverse into sub-transforms to fetch their inputs, or are we guaranteed that all transforms are leaf transforms?
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[GitHub] [beam] robertwb commented on pull request #13177: Sort stages according to data edges as well as must-follows.
Posted by GitBox <gi...@apache.org>.
robertwb commented on pull request #13177:
URL: https://github.com/apache/beam/pull/13177#issuecomment-718900620
Run Python_PVR_Flink PreCommit
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[GitHub] [beam] robertwb commented on pull request #13177: Sort stages according to data edges as well as must-follows.
Posted by GitBox <gi...@apache.org>.
robertwb commented on pull request #13177:
URL: https://github.com/apache/beam/pull/13177#issuecomment-715487899
R: @yifanmai
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