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https://issues.apache.org/jira/browse/HBASE-8348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13747902#comment-13747902
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Himanshu Vashishtha commented on HBASE-8348:
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Thanks for reviewing.
The last patch takes care of the comments mentioned by Stack.
1) I attached a usage log (log-2), which list sample commands with their
output. It covers basic use case (list help, run check, execute update with
HBase process running, with HDFS down, etc). It has one use where there are two
HFileV1 and one corrupt file (case #4).
2) HFileV1 Tool is working again (it no longer uses FixedFileTrailer instance,
so no regression from 9126).
3) Removed ns/zk options. Checked that after one run, they are noop.
> 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: Blocker
> 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-2-v2.3.patch, HBASE-8348-approach-2-v2.4.patch,
> HBASE-8348-approach-3.patch, HBASE-8348_trunk.patch,
> HBASE-8348_trunk_v2.patch, HBASE-8348_trunk_v3.patch, log, log-2
>
>
> 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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