[jira] [Updated] (HBASE-18659) Use HDFS ACL to give user the ability to read snapshot directly on HDFS

["Yi Mei (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-18659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yi Mei updated HBASE-18659:
---------------------------
    Attachment:     (was: HBASE-18659.master.008.patch)

> Use HDFS ACL to give user the ability to read snapshot directly on HDFS
> -----------------------------------------------------------------------
>
>                 Key: HBASE-18659
>                 URL: https://issues.apache.org/jira/browse/HBASE-18659
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Duo Zhang
>            Assignee: Yi Mei
>            Priority: Major
>         Attachments: HBASE-18659.master.001.patch, HBASE-18659.master.002.patch, HBASE-18659.master.005.patch, HBASE-18659.master.007.patch
>
>
> On the dev meetup notes in Shenzhen after HBaseCon Asia, there is a topic about the permission to read hfiles on HDFS directly.
> {quote}
> For client-side scanner going against hfiles directly; is there a means of being able to pass the permissions from hbase to hdfs?
> {quote}
> And at Xiaomi we also face the same problem. {{SnapshotScanner}} is much faster and consumes less resources, but only super use has the ability to read hfile directly on HDFS.
> So here we want to use HDFS ACL to address this problem.
> https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HdfsPermissionsGuide.html#ACLs_File_System_API
> The basic idea is to set acl and default acl on the ns/table/cf directory on HDFS for the users who have the permission to read the table on HBase.
> Suggestions are welcomed.



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