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https://issues.apache.org/jira/browse/BEAM-8335?focusedWorklogId=343624&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-343624
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ASF GitHub Bot logged work on BEAM-8335:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 14/Nov/19 18:28
            Start Date: 14/Nov/19 18:28
    Worklog Time Spent: 10m 
      Work Description: davidyan74 commented on pull request #10107: 
[BEAM-8335] Change has_unbounded_sources to predetermined list of sources
URL: https://github.com/apache/beam/pull/10107#discussion_r346475120
 
 

 ##########
 File path: sdks/python/apache_beam/runners/interactive/pipeline_instrument.py
 ##########
 @@ -367,15 +375,13 @@ def cacheable_key(pcoll, pcolls_to_pcoll_id, 
pcoll_version_map=None):
 
 
 def has_unbounded_source(pipeline):
-  """Checks if a given pipeline has any source that is unbounded."""
+  """Checks if a given pipeline has replaceable unbounded sources."""
 
 Review comment:
   I think we probably want to change this method to return a list of 
PTransforms that represent unbounded source since we will need them to be 
replaced by TestStream later. However, it's probably outside the scope of this 
PR.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 343624)
    Time Spent: 27h 20m  (was: 27h 10m)

> Add streaming support to Interactive Beam
> -----------------------------------------
>
>                 Key: BEAM-8335
>                 URL: https://issues.apache.org/jira/browse/BEAM-8335
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-py-interactive
>            Reporter: Sam Rohde
>            Assignee: Sam Rohde
>            Priority: Major
>          Time Spent: 27h 20m
>  Remaining Estimate: 0h
>
> This issue tracks the work items to introduce streaming support to the 
> Interactive Beam experience. This will allow users to:
>  * Write and run a streaming job in IPython
>  * Automatically cache records from unbounded sources
>  * Add a replay experience that replays all cached records to simulate the 
> original pipeline execution
>  * Add controls to play/pause/stop/step individual elements from the cached 
> records
>  * Add ability to inspect/visualize unbounded PCollections



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