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https://issues.apache.org/jira/browse/BEAM-3042?focusedWorklogId=82495&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-82495
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ASF GitHub Bot logged work on BEAM-3042:
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                Author: ASF GitHub Bot
            Created on: 20/Mar/18 21:37
            Start Date: 20/Mar/18 21:37
    Worklog Time Spent: 10m 
      Work Description: pabloem opened a new pull request #4912: [BEAM-3042] 
Fixing check for sideinput_io_metrics experiment flag.
URL: https://github.com/apache/beam/pull/4912
 
 
   Fixing a bug that did not check for experiments properly in the worker.

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Issue Time Tracking
-------------------

            Worklog Id:     (was: 82495)
            Time Spent: 10m
    Remaining Estimate: 0h

> Add tracking of bytes read / time spent when reading side inputs
> ----------------------------------------------------------------
>
>                 Key: BEAM-3042
>                 URL: https://issues.apache.org/jira/browse/BEAM-3042
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-py-core
>            Reporter: Pablo Estrada
>            Assignee: Pablo Estrada
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> It is difficult for Dataflow users to understand how modifying a pipeline or 
> data set can affect how much inter-transform IO is used in their job. The 
> intent of this feature request is to help users understand how side inputs 
> behave when they are consumed.
> This will allow users to understand how much time and how much data their 
> pipeline uses to read/write to inter-transform IO. Users will also be able to 
> modify their pipelines and understand how their changes affect these IO 
> metrics.
> For further information, please review the internal Google doc 
> go/insights-transform-io-design-doc.



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