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From "Himanshu Vashishtha (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8348) Polish the migration to 0.96
Date Tue, 20 Aug 2013 23:26:53 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Himanshu Vashishtha updated HBASE-8348:
---------------------------------------

    Attachment: HBASE-8348-approach-2-v2.2.patch

Attaching patch which does:
a) correctly set fs (using hbase.rootdir uri).
b) minor refactoring in UpgradeTo96 (initially, we were checking for live processes even if
user doesn't set execute option). 

Rest of the patch is similar to old one. Thanks.
                
> Polish the migration to 0.96
> ----------------------------
>
>                 Key: HBASE-8348
>                 URL: https://issues.apache.org/jira/browse/HBASE-8348
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.95.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: rajeshbabu
>            Priority: Critical
>             Fix For: 0.96.0
>
>         Attachments: HBASE-8348-approach-2.patch, HBASE-8348-approach-2-v2.1.patch, HBASE-8348-approach-2-v2.2.patch,
HBASE-8348-approach-3.patch, HBASE-8348_trunk.patch, HBASE-8348_trunk_v2.patch, HBASE-8348_trunk_v3.patch
>
>
> Currently, migration works but there's still a couple of rough edges:
>  - HBASE-8045 finished the .META. migration but didn't remove ROOT, so it's still on
the filesystem.
>  - Data in ZK needs to be removed manually. Either we fix up the data in ZK or we delete
it ourselves.
>  - TestMetaMigrationRemovingHTD has a testMetaUpdatedFlagInROOT method, but ROOT is gone
now.
> Elliott was also mentioning that we could have "hbase migrate" do the HFileV1 checks,
clear ZK, remove ROOT, etc.

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