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https://issues.apache.org/jira/browse/HBASE-8348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13744680#comment-13744680
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Himanshu Vashishtha commented on HBASE-8348:
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Thanks for trying this Jeffrey, and glad to know that it worked for you.
1) Looks like they are redundant yes. Will remove it.
2) If I specify both -ns -zk in command line, only name space is upgraded.
Good point, I will take this into account. (One could use --upgrade instead of
using both options separately, though).
3) I tried to be consistent with other tools (SnapshotInfo, CompactionTool,
HFileV1Detector and others) and used console.
I think it is okay to use error as this blocks the upgrade step. Please let me
know in case you disagree.
> 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-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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