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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-14864) Distcp is not called from MoveTask when src is a directory
Date Sat, 11 Mar 2017 10:14:04 GMT

     [ https://issues.apache.org/jira/browse/HIVE-14864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lefty Leverenz updated HIVE-14864:
----------------------------------
    Labels: TODOC2.2  (was: )

> Distcp is not called from MoveTask when src is a directory
> ----------------------------------------------------------
>
>                 Key: HIVE-14864
>                 URL: https://issues.apache.org/jira/browse/HIVE-14864
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Vihang Karajgaonkar
>            Assignee: Sahil Takiar
>              Labels: TODOC2.2
>             Fix For: 2.2.0
>
>         Attachments: HIVE-14864.1.patch, HIVE-14864.2.patch, HIVE-14864.3.patch, HIVE-14864.4.patch,
HIVE-14864.patch
>
>
> In FileUtils.java the following code does not get executed even when src directory size
is greater than HIVE_EXEC_COPYFILE_MAXSIZE because 
> srcFS.getFileStatus(src).getLen() returns 0 when src is a directory. We should use srcFS.getContentSummary(src).getLength()
instead.
> {noformat}
>     /* Run distcp if source file/dir is too big */
>     if (srcFS.getUri().getScheme().equals("hdfs") &&
>         srcFS.getFileStatus(src).getLen() > conf.getLongVar(HiveConf.ConfVars.HIVE_EXEC_COPYFILE_MAXSIZE))
{
>       LOG.info("Source is " + srcFS.getFileStatus(src).getLen() + " bytes. (MAX: " +
conf.getLongVar(HiveConf.ConfVars.HIVE_EXEC_COPYFILE_MAXSIZE) + ")");
>       LOG.info("Launch distributed copy (distcp) job.");
>       HiveConfUtil.updateJobCredentialProviders(conf);
>       copied = shims.runDistCp(src, dst, conf);
>       if (copied && deleteSource) {
>         srcFS.delete(src, true);
>       }
>     }
> {noformat}



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