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From "Dhruv Mahajan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (REEF-1456) Develop distributed counters framework in REEF
Date Fri, 01 Jul 2016 22:05:11 GMT

    [ https://issues.apache.org/jira/browse/REEF-1456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15359720#comment-15359720
] 

Dhruv Mahajan commented on REEF-1456:
-------------------------------------

I was actually thinking about using {{System.ValueType}} as a replacement for {{Numbers}}
in metric2 from Java in the {{AbstractMetrics}} class. [~anupam128] what do you think?

> 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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