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Date: Sun, 26 Apr 2015 12:10:38 +0000 (UTC)
From: "Vasia Kalavri (JIRA)" <jira@apache.org>
To: issues@flink.incubator.apache.org
Message-ID: <JIRA.12774173.1423654671000.30887.1430050238381@Atlassian.JIRA>
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Subject: [jira] [Resolved] (FLINK-1514) [Gelly] Add a Gather-Sum-Apply
 iteration method
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     [ https://issues.apache.org/jira/browse/FLINK-1514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vasia Kalavri resolved FLINK-1514.
----------------------------------
       Resolution: Implemented
    Fix Version/s: 0.9

> [Gelly] Add a Gather-Sum-Apply iteration method
> -----------------------------------------------
>
>                 Key: FLINK-1514
>                 URL: https://issues.apache.org/jira/browse/FLINK-1514
>             Project: Flink
>          Issue Type: New Feature
>          Components: Gelly
>    Affects Versions: 0.9
>            Reporter: Vasia Kalavri
>            Assignee: Daniel Bali
>             Fix For: 0.9
>
>
> This will be a method that implements the GAS computation model, but without the "scatter" step. The phases can be mapped into the following steps inside a delta iteration:
> gather: a map on each < srcVertex, edge, trgVertex > that produces a partial value
> sum: a reduce that combines the partial values
> apply: join with vertex set to update the vertex values using the results of sum and the previous state.


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