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https://issues.apache.org/jira/browse/BEAM-9650?focusedWorklogId=422324&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-422324
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ASF GitHub Bot logged work on BEAM-9650:
----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Apr/20 21:05
Start Date: 14/Apr/20 21:05
Worklog Time Spent: 10m
Work Description: soyrice commented on pull request #11415: [BEAM-9650]
Cleanup documentation on side inputs patterns
URL: https://github.com/apache/beam/pull/11415#discussion_r408432853
##########
File path: website/src/documentation/patterns/side-inputs.md
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@@ -50,25 +50,25 @@ For instance, the following code sample uses a `Map` to
create a `DoFn`. The `Ma
## Slowly updating side input using windowing
-You can read side input pcollection periodically into distinct windows.
-Later, when you apply side input to your main input, windows will be matched
automatically 1:1.
-This way, you can guarantee side input consistency on the duration of the
single window.
-
-To do this, you can utilize PeriodicSequence PTransform that will generate
infinite sequence
-of elements with some real-time period:
+You can read side input data periodically into distinct PCollection windows.
+Later, when you apply the side input to your main input, each main input
+window is automatically matched to a single side input window.
+This guarantees side input consistency on the duration of the single window,
+meaning that each window on main input side will be matched to a single
+version of side input data.
+
+To do this, you can utilize a combination of PeriodicSequence/PeriodicImpulse
Review comment:
For formatting, it might be clearer to say "a combination of
PeriodicSequence and PeriodicImpulse PTransforms" instead of
"PeriodicSequence/PeriodicImpulse PTransforms" - just to make sure there's no
ambiguity in regards to these being two separate transforms.
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Issue Time Tracking
-------------------
Worklog Id: (was: 422324)
Time Spent: 4h 40m (was: 4.5h)
> Add consistent slowly changing side inputs support
> --------------------------------------------------
>
> Key: BEAM-9650
> URL: https://issues.apache.org/jira/browse/BEAM-9650
> Project: Beam
> Issue Type: Bug
> Components: io-ideas
> Reporter: Mikhail Gryzykhin
> Assignee: Mikhail Gryzykhin
> Priority: Major
> Time Spent: 4h 40m
> Remaining Estimate: 0h
>
> Add implementation for slowly changing dimentions based on [design
> doc](https://docs.google.com/document/d/1LDY_CtsOJ8Y_zNv1QtkP6AGFrtzkj1q5EW_gSChOIvg/edit]
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