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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-8495) Change ownership of the directory to bulk load
Date Mon, 09 Jun 2014 21:35:04 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Matteo Bertozzi resolved HBASE-8495.

       Resolution: Fixed
    Fix Version/s: 0.98.4

> Change ownership of the directory to bulk load
> ----------------------------------------------
>                 Key: HBASE-8495
>                 URL: https://issues.apache.org/jira/browse/HBASE-8495
>             Project: HBase
>          Issue Type: Improvement
>          Components: mapreduce
>    Affects Versions: 0.94.7, 0.95.0
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Trivial
>             Fix For: 0.99.0, 0.94.20, 0.98.4
>         Attachments: HBASE-8495-0.94-v0.patch
> To bulk load something you need to change the ownership of the data directory to allow
the hbase user to read and move the files, also in the split case you must use the hbase user
to run the LoadIncrementalHFiles tool, since internally some directories "_tmp" are created
to add the split reference files.
> In a secure cluster, the SecureBulkLoadEndPoint will take care of this problem by doing
a chmod 777 on the directory to bulk load.
> NOTE that a chown is not possible since you must be a super user to change the ownership,
a change group may be possible but the user must be in the hbase group... and anyway it will
require a chmod to allow the group to perform the move.
> {code}
> Caused by: org.apache.hadoop.security.AccessControlException: Permission denied: user=hbase,
access=WRITE, inode="/test/cf":th30z:supergroup:drwxr-xr-x
> 	at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:205)
> Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(java.io.IOException):
java.io.IOException: Exception in rename
> 	at org.apache.hadoop.hbase.regionserver.HRegionFileSystem.rename(HRegionFileSystem.java:928)
> 	at org.apache.hadoop.hbase.regionserver.HRegionFileSystem.commitStoreFile(HRegionFileSystem.java:340)
> 	at org.apache.hadoop.hbase.regionserver.HRegionFileSystem.bulkLoadStoreFile(HRegionFileSystem.java:414)
> {code}

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