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From "Eli Reisman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-259) TestBspBasic.testBspPageRank is broken
Date Sat, 04 Aug 2012 02:43:02 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13428538#comment-13428538
] 

Eli Reisman commented on GIRAPH-259:
------------------------------------

Hey something weird here, I have been cleaning up a patch where we move IO formats to their
own directory and eliminate VertexWithConnectedComponentXXX and SimpleTextXXX IO formats because
they do the same thing as IdWithValueTextOutputFormat, and suddenly I get this same 1-off
test problem with aggregator writer test. expects 31, gets 32. Also I notice in the the log
dumps when running jobs, the workers do display a super step count 1 less than the master.
Does all this relate? Could the test fails be due to using IO formats in the test that get
the aggregator # differently, or have a bug themselves? anyway please take a look if you can
and tell me whether I should wait for this patch to solve it or try to do something, its GIRAPH-218.

Of the 3 duplicated out formats, IdWithValue did the most robust job (lets you pick field
separators etc.) but if its bad, I should drop it in favor of one of the others, or fix it?
Why do you think it would set this test off suddenly? this was on mvn verify too, not a "real
pseudo" or cluster run. Kind of weird.

                
> TestBspBasic.testBspPageRank is broken
> --------------------------------------
>
>                 Key: GIRAPH-259
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-259
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Maja Kabiljo
>            Assignee: Maja Kabiljo
>         Attachments: GIRAPH-259-1.patch, GIRAPH-259-2.patch, GIRAPH-259-3.patch, GIRAPH-259-4.patch
>
>
> Test crashes on line 152 in class SimplePageRankVertex in distributed mode.

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