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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-333) we should have some checks that the sort benchmark generates correct outputs
Date Wed, 14 Feb 2007 20:31:05 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated HADOOP-333:
---------------------------------

    Attachment: HADOOP-333_20070215_3.patch

Incorporated the check for partitioning and also ensures that RecordStatsChecker gets full
(sort input/output) files so as to check that full-output-splits are sorted right.

> we should have some checks that the sort benchmark generates correct outputs
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-333
>                 URL: https://issues.apache.org/jira/browse/HADOOP-333
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Owen O'Malley
>         Assigned To: Arun C Murthy
>         Attachments: HADOOP-333_20070213_1.patch, HADOOP-333_20070214_2.patch, HADOOP-333_20070215_3.patch
>
>
> We should implement some checks of the input versus output of the sort benchmark to get
some correctness guarantees:
> 1. the number of records
> 2. the number of bytes
> 3. the output records are in fact sorted
> 4. the xor of the md5 of each record's key/value pair

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