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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-413) Remove limitation on the number of tasks
Date Mon, 29 Aug 2011 23:07:37 GMT

    [ https://issues.apache.org/jira/browse/HAMA-413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13093288#comment-13093288
] 

Hudson commented on HAMA-413:
-----------------------------

Integrated in Hama-Nightly #296 (See [https://builds.apache.org/job/Hama-Nightly/296/])
    examples were missed in commit of HAMA-413
Commit HAMA-413 patch.

edwardyoon : 
Files : 
* /incubator/hama/trunk/examples/src/main/java/org/apache/hama/examples/PiEstimator.java
* /incubator/hama/trunk/examples/src/main/java/org/apache/hama/examples/SerializePrinting.java

edwardyoon : 
Files : 
* /incubator/hama/trunk/core/conf/hama-default.xml
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/Constants.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/BSPMaster.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/BSPPeer.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/ClusterStatus.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/DispatchTasksDirective.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/GroomServer.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/GroomServerManager.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/GroomServerStatus.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/JobInProgress.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/PeerNames.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/SimpleTaskScheduler.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/TaskRunner.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/ipc/BSPPeerProtocol.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/ipc/MasterProtocol.java
* /incubator/hama/trunk/core/src/test/java/org/apache/hama/HamaClusterTestCase.java
* /incubator/hama/trunk/core/src/test/java/org/apache/hama/bsp/TestBSPMasterGroomServer.java


> Remove limitation on the number of tasks
> ----------------------------------------
>
>                 Key: HAMA-413
>                 URL: https://issues.apache.org/jira/browse/HAMA-413
>             Project: Hama
>          Issue Type: Sub-task
>          Components: bsp
>    Affects Versions: 0.3.0
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.4.0
>
>         Attachments: HAMA-413_v01.patch, HAMA-413_v02.patch, HAMA-413_v03.patch, HAMA-413_v05.patch,
HAMA-413_v06.patch, HAMA-413_v07.patch, HAMA_413_v04.patch, HAMA_NEW.patch
>
>
> By HAMA-410 patch, BSPPeer object will be constructed at child process. Now we can just
remove limitation on the number of tasks.
> Here's TODO list:
> 1. The number of tasks per groom should be configurable e.g., 'bsp.local.tasks.maximum'.
> 2. The 'totalTaskCapacity' should be calculated at BSPMaster.getClusterStatus().
> 3. When scheduling tasks, consider how to allocate them.
> 4. Each BSPPeer should know all created peers of Hama cluster by job. It can be listed
based on actions of GroomServer.
> 5. In examples, 'cluster.getGroomServers()' can be changed to 'cluster.getMaxTasks()'.

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