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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6287) Add vecsum test of libhdfs read access times
Date Mon, 28 Apr 2014 17:58:19 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe updated HDFS-6287:
---------------------------------------

    Attachment: HDFS-6287.004.patch

Looks like on older glibc versions like the one our jenkins machines are using, you needed
to link with librt to use {{clock_gettime}}.  Added.  I also fixed a warning message in {{test_libhdfs_threaded}}

> Add vecsum test of libhdfs read access times
> --------------------------------------------
>
>                 Key: HDFS-6287
>                 URL: https://issues.apache.org/jira/browse/HDFS-6287
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: libhdfs, test
>    Affects Versions: 2.5.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>         Attachments: HDFS-6282.001.patch, HDFS-6287.002.patch, HDFS-6287.003.patch, HDFS-6287.004.patch
>
>
> Add vecsum, a benchmark that tests libhdfs access times.  This includes short-circuit,
zero-copy, and standard libhdfs access modes.  It also has a local filesystem mode for comparison.



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