[jira] [Commented] (GIRAPH-1134) Track number of input splits in command line

2017-03-17 Thread ASF GitHub Bot (JIRA)

[ 
https://issues.apache.org/jira/browse/GIRAPH-1134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15930356#comment-15930356
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ASF GitHub Bot commented on GIRAPH-1134:


Github user asfgit closed the pull request at:

https://github.com/apache/giraph/pull/24


> Track number of input splits in command line
> 
>
> Key: GIRAPH-1134
> URL: https://issues.apache.org/jira/browse/GIRAPH-1134
> Project: Giraph
>  Issue Type: Improvement
>Reporter: Maja Kabiljo
>Assignee: Maja Kabiljo
>Priority: Minor
>
> The progress we track during input reports how much data have we read, but 
> not how much data there is to read.



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[jira] [Comment Edited] (GIRAPH-1135) Implementing Minimum Spanning Tree in vertex-centric model

2017-03-17 Thread Lahiru (JIRA)

[ 
https://issues.apache.org/jira/browse/GIRAPH-1135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15929499#comment-15929499
 ] 

Lahiru edited comment on GIRAPH-1135 at 3/17/17 7:01 AM:
-

Hi I'm Lahiru and I am a Computer Engineering student at University of 
Peradeniya, Sri Lanka. I have good knowledge in following fields Data 
structures and algorithms, Python, C, C++, java,...  I am interested in this 
gsoc project and I would like to contribute for the project. 

Can you please provide more additional details about this project???



was (Author: asamala):
Hi I'm Lahiru and I am a Computer Engineering student at University of 
Peradeniya, Sri Lanka. I have good knowledge in following fields Data 
structures and algorithms, Python, C, C++, java,...  I am interested in this 
gsoc project and I would like to contribute for the project. my linked in 
profile https://www.linkedin.com/in/lahiruls

Can you please provide more additional details about this project???


> Implementing Minimum Spanning Tree in vertex-centric model
> --
>
> Key: GIRAPH-1135
> URL: https://issues.apache.org/jira/browse/GIRAPH-1135
> Project: Giraph
>  Issue Type: Improvement
>  Components: examples
>Reporter: Claudio Martella
>Assignee: Alessio Arleo
>  Labels: gsoc2017
>
> A Minimum Spanning Tree is a tree that spans all the vertices of a connected 
> graph such that the sum of the weights is minimum among all possible such 
> trees. Finding Minimum Spanning Tree on a large graph has many applications. 
> MST algorithm is one of the basic graph algorithms.  Currently, Giraph has an 
> implementation of Page Rank algorithm as part of its source code. An 
> implementation of MST algorithm will strengthen our use cases.
> Recently Mohsen Ghaffari et al. have shown that MST can be calculated in 
> O(log* n) rounds of communications in Congested Clique model [1]. Congested 
> Clique have been shown to be the impromptu distributed algorithmic model 
> which has direct relations with Pregel. We can try to implement the paradigm 
> in Giraph.
> [1] MST in Log-Star Rounds of Congested Clique :- 
> http://dl.acm.org/citation.cfm?id=2933103



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