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Date: Fri, 9 Sep 2016 04:40:20 +0000 (UTC)
From: "Jerry He (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12990983.1468983958000.528251.1473396020492@Atlassian.JIRA>
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References: <JIRA.12990983.1468983958000@Atlassian.JIRA> <JIRA.12990983.1468983958289@arcas>
Subject: [jira] [Commented] (HBASE-16257) Move staging dir to be under hbase
 root dir
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archived-at: Fri, 09 Sep 2016 04:40:22 -0000


    [ https://issues.apache.org/jira/browse/HBASE-16257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15475899#comment-15475899 ] 

Jerry He commented on HBASE-16257:
----------------------------------

bq. How do we handle upgrades?
This would be compatible with rolling upgrade, as indicated in the parent JIRA.
Changing the staging dir in the middle won't break the compatibility.  Old and new staging dirs can co-exists. Bulk load token is full path. 

> Move staging dir to be under hbase root dir
> -------------------------------------------
>
>                 Key: HBASE-16257
>                 URL: https://issues.apache.org/jira/browse/HBASE-16257
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jerry He
>            Assignee: Jerry He
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16257-v1.patch, HBASE-16257-v2.patch
>
>
> The hbase.bulkload.staging.dir defaults to hbase.fs.tmp.dir which then defaults to
> {code}
> public static final String DEFAULT_TEMPORARY_HDFS_DIRECTORY = "/user/"
>       + System.getProperty("user.name") + "/hbase-staging";
> {code}
> This default would have problem on local file system standalone case.
> We can move the staging dir to be under hbase.rootdir.  We are bringing secure bulkload to the core. It makes sense to bring it under core control as well, instead of an optional property.


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