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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-530) GiraphInputFormat#getSplits() should be aware of multithreaded input
Date Mon, 25 Feb 2013 22:52:15 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13586407#comment-13586407
] 

Hudson commented on GIRAPH-530:
-------------------------------

Integrated in Giraph-trunk-Commit #753 (See [https://builds.apache.org/job/Giraph-trunk-Commit/753/])
    GIRAPH-530: GiraphInputFormat#getSplits() should be aware of multithreaded input (apresta)
(Revision 2347627d5993f9c3ed9e26f244fac6e48f18a2a0)

     Result = FAILURE
alessandro : http://git-wip-us.apache.org/repos/asf?p=giraph.git&a=commit&h=2347627d5993f9c3ed9e26f244fac6e48f18a2a0
Files : 
* giraph-core/src/main/java/org/apache/giraph/io/formats/TextVertexValueInputFormat.java
* giraph-core/src/main/java/org/apache/giraph/master/BspServiceMaster.java
* giraph-core/src/main/java/org/apache/giraph/io/EdgeInputFormat.java
* giraph-core/src/main/java/org/apache/giraph/io/formats/SequenceFileVertexInputFormat.java
* giraph-core/src/main/java/org/apache/giraph/io/formats/GeneratedVertexInputFormat.java
* giraph-core/src/main/java/org/apache/giraph/io/formats/PseudoRandomVertexInputFormat.java
* giraph-accumulo/src/main/java/org/apache/giraph/io/accumulo/AccumuloVertexInputFormat.java
* giraph-hcatalog/src/main/java/org/apache/giraph/io/hcatalog/HCatalogVertexInputFormat.java
* giraph-core/src/main/java/org/apache/giraph/io/VertexInputFormat.java
* giraph-core/src/main/java/org/apache/giraph/io/formats/PseudoRandomEdgeInputFormat.java
* giraph-hbase/src/main/java/org/apache/giraph/io/hbase/HBaseVertexInputFormat.java
* giraph-core/src/main/java/org/apache/giraph/io/GiraphInputFormat.java
* giraph-core/src/main/java/org/apache/giraph/io/formats/TextVertexInputFormat.java
* giraph-hcatalog/src/main/java/org/apache/giraph/io/hcatalog/HCatalogVertexValueInputFormat.java
* giraph-hive/src/main/java/org/apache/giraph/hive/input/edge/HiveEdgeInputFormat.java
* giraph-hcatalog/src/main/java/org/apache/giraph/io/hcatalog/HCatalogEdgeInputFormat.java
* giraph-hive/src/main/java/org/apache/giraph/hive/input/vertex/HiveVertexInputFormat.java
* giraph-core/src/main/java/org/apache/giraph/io/formats/TextEdgeInputFormat.java

                
> GiraphInputFormat#getSplits() should be aware of multithreaded input
> --------------------------------------------------------------------
>
>                 Key: GIRAPH-530
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-530
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Alessandro Presta
>            Assignee: Alessandro Presta
>         Attachments: GIRAPH-530.patch, GIRAPH-530.patch
>
>
> The current signature of getSplits() assumes that the only piece of information needed
in order to determine the number of splits is the number of workers.
> With multiple input threads for each worker, this is no longer the case.
> We could solve this very simply by renaming the numWorkers parameter to something like
minSplitCountHint, and changing any existing callers to pass the total number of input threads
instead of workers.

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