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Date: Tue, 31 Jul 2012 17:27:35 +0000 (UTC)
From: "Maja Kabiljo (JIRA)" <jira@apache.org>
To: giraph-dev@incubator.apache.org
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Subject: [jira] [Commented] (GIRAPH-273) Aggregators shouldn't use Zookeeper
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    [ https://issues.apache.org/jira/browse/GIRAPH-273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13425936#comment-13425936 ] 

Maja Kabiljo commented on GIRAPH-273:
-------------------------------------

Ok, I'll implement it using just messaging then.

Do we have the address of master stored somewhere on the worker?
                
> Aggregators shouldn't use Zookeeper
> -----------------------------------
>
>                 Key: GIRAPH-273
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-273
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Maja Kabiljo
>            Assignee: Maja Kabiljo
>
> We use Zookeeper znodes to transfer aggregated values from workers to master and back. Zookeeper is supposed to be used for coordination, and it also has a memory limit which prevents users from having aggregators with large value objects. These are the reasons why we should implement aggregators gathering and distribution in a different way.

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