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From "Markus Weimer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (REEF-1456) Develop distributed counters framework in REEF
Date Thu, 23 Jun 2016 19:04:16 GMT

    [ https://issues.apache.org/jira/browse/REEF-1456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15346993#comment-15346993
] 

Markus Weimer commented on REEF-1456:
-------------------------------------

Why would the user have to know about a {{Reset}} method? Merely exposing {{Increment(int
increment)}} should be all a user of this API cares about, right?

> Develop distributed counters framework in REEF
> ----------------------------------------------
>
>                 Key: REEF-1456
>                 URL: https://issues.apache.org/jira/browse/REEF-1456
>             Project: REEF
>          Issue Type: Sub-task
>          Components: REEF.NET
>         Environment: C#
>            Reporter: Dhruv Mahajan
>
> The aim of this JIRA is to develop distributed counters framework in REEF. Each task
can emit pairs of {counter name, incremental value} which are aggregated and sent to driver,
which can then aggregate them from all the tasks/ evaluators. The aggregation strategy can
be simple addition, most recently used, etc.  Via these counters, we can implement some common
metrics for ML - like amount (bytes) of data read, current loss function value etc.
> We will develop interfaces for Counters for evaluators and driver along with default
implementations and aggregation strategies.



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