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From "Maja Kabiljo (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (GIRAPH-443) Properly size netty buffers when encoding requests
Date Wed, 05 Dec 2012 19:24:05 GMT

     [ https://issues.apache.org/jira/browse/GIRAPH-443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Maja Kabiljo updated GIRAPH-443:
--------------------------------

    Attachment: GIRAPH-443.patch

Using this patch, here is the performance gain on one of our large applications:
 - about 10% of overall superstep time
 - about 25% of compute time
 - about 10% less GC
                
> Properly size netty buffers when encoding requests
> --------------------------------------------------
>
>                 Key: GIRAPH-443
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-443
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Maja Kabiljo
>            Assignee: Maja Kabiljo
>         Attachments: GIRAPH-443.patch
>
>
> For some type of requests, it's easy to calculate the exact size of requests, and create
the buffers as big as we need.

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