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Date: Wed, 18 Jan 2012 18:16:39 +0000 (UTC)
From: =?utf-8?Q?Andr=C3=A9_Kelpe_=28Updated=29_=28JIRA=29?= <jira@apache.org>
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Subject: [jira] [Updated] (GIRAPH-126) Use Collections.emptyList() in
 BasicRPCCommunications.java
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     [ https://issues.apache.org/jira/browse/GIRAPH-126?page=3Dcom.atlassia=
n.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andr=C3=A9 Kelpe updated GIRAPH-126:
-------------------------------

    Attachment: GIRAPH-126.patch

remove empty lines and grant apache the correct lines
               =20
> Use Collections.emptyList() in BasicRPCCommunications.java
> ----------------------------------------------------------
>
>                 Key: GIRAPH-126
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-126
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Andr=C3=A9 Kelpe
>            Assignee: Andr=C3=A9 Kelpe
>            Priority: Minor
>         Attachments: GIRAPH-126.patch, GIRAPH-126.patch, GIRAPH-126.patch
>
>
> I am doing some tests with giraph and I am having some memory problems. W=
hile I was browsing through the codebase I saw that you are allocating a ne=
w ArrayList (which has an underlying array of 10 elements) for each Vertex,=
 that has no Messages to be delivered. That's a waste of memory and time. T=
his patch replaces it with the EMPTY_LIST of the Collections utility class.

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