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From "Yi Liang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17861) Regionserver down when checking the permission of staging dir if hbase.rootdir is on S3
Date Tue, 04 Apr 2017 00:55:42 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15954424#comment-15954424

Yi Liang commented on HBASE-17861:

new patch attaced

> Regionserver down when checking the permission of staging dir if hbase.rootdir is on
> ---------------------------------------------------------------------------------------
>                 Key: HBASE-17861
>                 URL: https://issues.apache.org/jira/browse/HBASE-17861
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.4.0
>            Reporter: Yi Liang
>            Assignee: Yi Liang
>              Labels: filesystem, s3, wal
>             Fix For: 1.4.0
>         Attachments: HBASE-17861.branch-1.V1.patch, HBASE-17861.branch-1.V2.patch, HBASE-17861.branch-1.V3.patch,
> Found some issue, when set up HBASE-17437: Support specifying a WAL directory outside
of the root directory.
> The region server are  showdown when I add following config into hbase-site.xml 
> hbase.rootdir =  s3a://xx//xx
> hbase.wal.dir = hdfs://xx/xx
> hbase.coprocessor.region.classes = org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint
> Error is below
> {noformat}
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint threw java.lang.IllegalStateException:
Directory already exists but permissions aren't set to '-rwx--x--x'
> {noformat}
> The reason is that, when hbase enable securebulkload, hbase will create a folder in s3,
it can not set above permission, because in s3, all files are listed as having full read/write
permissions and all directories appear to have full rwx permissions. See Object stores have
differerent authorization models in https://hadoop.apache.org/docs/current3/hadoop-aws/tools/hadoop-aws/index.html

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