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From "Alessandro Presta (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-309) Message count is wrong
Date Tue, 21 Aug 2012 19:07:38 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13438953#comment-13438953
] 

Alessandro Presta commented on GIRAPH-309:
------------------------------------------

That's weird:

{code}
java.lang.IllegalStateException: generateInputSplits: Got IOException
	at org.apache.giraph.graph.BspServiceMaster.generateInputSplits(BspServiceMaster.java:262)
	at org.apache.giraph.graph.BspServiceMaster.createInputSplits(BspServiceMaster.java:517)
	at org.apache.giraph.graph.MasterThread.run(MasterThread.java:98)
Caused by: org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not
exist: file:/tmp/_giraphTests/testContinue
	at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus(FileInputFormat.java:235)
	at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:252)
	at org.apache.giraph.io.TextVertexInputFormat.getSplits(TextVertexInputFormat.java:120)
	at org.apache.giraph.graph.BspServiceMaster.generateInputSplits(BspServiceMaster.java:242)
	... 2 more
{code}

Let's wait for the next rebuild, as it seems unrelated.
                
> Message count is wrong
> ----------------------
>
>                 Key: GIRAPH-309
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-309
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Avery Ching
>            Assignee: Avery Ching
>            Priority: Minor
>         Attachments: GIRAPH-309.patch
>
>
> Currently, the message count is multiplied by the partitions, which is incorrect as it
is a total message count for the entire worker.  This affects the Hadoop counter displayed
on the job status page.
> Old incorrect value
> 2012-08-16 00:45:12,307 INFO org.apache.giraph.graph.BspServiceMaster: aggregateWorkerStats:
Aggregation found (vtx=10000000,finVtx=0,edges=100000000,msgCount=599165250,haltComputation=false)
on superstep = 3
> Fixed value
> 2012-08-20 16:47:11,559 INFO org.apache.giraph.graph.BspServiceMaster: aggregateWorkerStats:
Aggregation found (vtx=10000000,finVtx=0,edges=100000000,msgCount=100000000,haltComputation=false)
on superstep = 3

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