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https://issues.apache.org/jira/browse/HBASE-17938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15991857#comment-15991857
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Vladimir Rodionov commented on HBASE-17938:
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{quote}
Assuming IOE may come out of each of the calls above, shouldn't a state machine
be designed for more robustness ?
{quote}
No needs to overcomplicate the feature. If system repair fails in the middle,
user will get notified and will have a chance to fix everything by running
repair tool manually.
Repair operation is idempotent and can be run as many times as we need.
Did I address your concerns, [~tedyu]?
> General fault - tolerance framework for backup/restore operations
> -----------------------------------------------------------------
>
> Key: HBASE-17938
> URL: https://issues.apache.org/jira/browse/HBASE-17938
> Project: HBase
> Issue Type: Sub-task
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Fix For: 2.0.0
>
> Attachments: HBASE-17938-v1.patch, HBASE-17938-v2.patch,
> HBASE-17938-v3.patch
>
>
> The framework must take care of all general types of failures during backup/
> restore and restore system to the original state in case of a failure.
> That won't solve all the possible issues but we have a separate JIRAs for
> them as a sub-tasks of HBASE-15277
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