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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-370) Failure detector for Hama
Date Tue, 22 Mar 2011 07:31:05 GMT

    [ https://issues.apache.org/jira/browse/HAMA-370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13009572#comment-13009572
] 

Edward J. Yoon commented on HAMA-370:
-------------------------------------

Hi

>> For instance, a master may allocate urgent tasks to workers which have lower suspicion
level. 

>>  the difficulty lies in the distinguished between a crash/ failure process and a
very slow one. In addition, in the future if the project needs

+1.

BTW, another one question. By using phi accrual failure detecter, can HAMA-363 issue be solved?


Thanks!





> Failure detector for Hama
> -------------------------
>
>                 Key: HAMA-370
>                 URL: https://issues.apache.org/jira/browse/HAMA-370
>             Project: Hama
>          Issue Type: New Feature
>          Components: bsp
>    Affects Versions: 0.3.0
>         Environment: GNU/ Debian, JDK 1.6.0_22-b04 
>            Reporter: ChiaHung Lin
>            Assignee: ChiaHung Lin
>              Labels: patch
>             Fix For: 0.3.0
>
>         Attachments: HAMA-370.patch, HAMA-370.patch
>
>
> In order to enable fault tolerance service, BSPMaster requires to have ability in determining
GroomServers' status. This generally can be achieved through failure detector. The attached
file contains source for such patch. 

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