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From "Maja Kabiljo (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GIRAPH-273) Aggregators shouldn't use Zookeeper
Date Mon, 30 Jul 2012 12:39:34 GMT
Maja Kabiljo created GIRAPH-273:
-----------------------------------

             Summary: 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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