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From "Maja Kabiljo (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GIRAPH-388) Improve the way we keep outgoing messages
Date Fri, 26 Oct 2012 00:03:12 GMT
Maja Kabiljo created GIRAPH-388:
-----------------------------------

             Summary: Improve the way we keep outgoing messages
                 Key: GIRAPH-388
                 URL: https://issues.apache.org/jira/browse/GIRAPH-388
             Project: Giraph
          Issue Type: Improvement
            Reporter: Maja Kabiljo
         Attachments: GIRAPH-388.patch

As per discussion on GIRAPH-357, in standard application chances that we get to use client-side
combiner are very low. I experimented with benefits which we can get from not having the client-side
combiner at all. It turns out that having a lot of maps in SendMessageCache, and then collection
inside each of them, really hurts the performance. 

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