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https://issues.apache.org/jira/browse/HBASE-9214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13739505#comment-13739505
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terry zhang commented on HBASE-9214:
------------------------------------

I wonder if we could change CatalogJanitor not to remove split region info when 
table is disabled to avoid this issue?
                
> CatalogJanitor delete region info in Meta during Restore snapshot
> -----------------------------------------------------------------
>
>                 Key: HBASE-9214
>                 URL: https://issues.apache.org/jira/browse/HBASE-9214
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.94.10
>            Reporter: terry zhang
>
> Today I meet a issue during restore snapshot. It can be reproduce in step 
> below:
> 1. Table t1 create a Snapshot s1 successfully
> 2. region r1 in t1 split 
> 3. CatalogJanitor Chore begin to work and found daughter  do not have 
> reference , so r1 can be deleted
> 4. restore snapshot s1 . RestoreSnapshotHelper add region r1 to meta table
> 5.  CatalogJanitor delete r1 region info in meta which RestoreSnapshotHelper 
> just inserted .
> 6. restore snapshot finished.
> Then we can found there is a hole in t1 after restore snapshot. Data loss.

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