ASF GitHub Bot logged work on BEAM-3042:

                Author: ASF GitHub Bot
            Created on: 10/Apr/18 16:16
            Start Date: 10/Apr/18 16:16
    Worklog Time Spent: 10m 
      Work Description: pabloem commented on issue #5075: [BEAM-3042] Refactor 
of TransformIOCounters (performance, inheritance). Time counter for sideinputs.
URL: https://github.com/apache/beam/pull/5075#issuecomment-380160185
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Issue Time Tracking

    Worklog Id:     (was: 89464)
    Time Spent: 1h 20m  (was: 1h 10m)

> 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: 1h 20m
>  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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