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From "ChiaHung Lin (JIRA)" <>
Subject [jira] [Updated] (HAMA-363) Add network condition monitoring function to BSPMaster
Date Mon, 20 Jun 2011 10:46:47 GMT


ChiaHung Lin updated HAMA-363:

    Attachment: HAMA-363.patch

The attached files contains metrics system, its concept is basically borrowed from hadoop's
metrics2. The intension is to let Hama have ideas of current system related status.

I agree what Thomas mentioned that Hama needs to have its own metrics package because IMO
Hama and Hadoop's MapReduce are not completely the same. So the implementation does not just
copy and paste metrics2 from Hadoop. 

In addition, the patch at the moment just pass unit test. I will find spare time to test it
on e.g vm; and it is highly appreciated if someone can help review as well.

> Add network condition monitoring function to BSPMaster
> ------------------------------------------------------
>                 Key: HAMA-363
>                 URL:
>             Project: Hama
>          Issue Type: New Feature
>          Components: bsp
>    Affects Versions: 0.3.0
>            Reporter: Edward J. Yoon
>             Fix For: 0.4.0
>         Attachments: HAMA-363.patch
> There's few reason why this issue is important. Basically Master server should know the
status of cluster:
>  * to optimize the network usage
>  * to handle network connectivity problems
>  * to handle different network conditions
> And, I would like to see some network usage statistics.
> In this issue, we implement only basic function which is collect network usage.

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