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Date: Thu, 24 Aug 2017 03:51:00 +0000 (UTC)
From: "Duo Zhang (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.13096896.1503455876000.108359.1503546660191@Atlassian.JIRA>
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Subject: [jira] [Updated] (HBASE-18659) Use HDFS ACL to give user the
 ability to read snapshot directly on HDFS
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archived-at: Thu, 24 Aug 2017 03:51:06 -0000


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

Duo Zhang updated HBASE-18659:
------------------------------
    Description: 
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.

  was:
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 table directory on HDFS for the users who have the permission to read the table on HBase.

Suggestions are welcomed.


> 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
>
> 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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