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https://issues.apache.org/jira/browse/HBASE-16392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025055#comment-16025055
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Ted Yu commented on HBASE-16392:
--------------------------------

{code}
+            + "If there is no active backup session is running, run backup 
repair utility to restore \n"
{code}
First part of the sentence has double 'is'
{code}
+        finalizeDelete(allTablesMap, sysTable);
+        // Finish
+        sysTable.finishDeleteOperation();
+        // delete snapshot
+        BackupSystemTable.deleteSnapshot(conn);
{code}
Do we need to distinguish potential failure in each of the above calls ?
If deleteSnapshot() fails in the middle, 
BackupSystemTable.restoreFromSnapshot(conn) call in catch block would fail as 
well, right ?
{code}
+      String[] backupIds = sysTable.getDeleteOperationListOfBackupIds();
{code}
getDeleteOperationListOfBackupIds -> getListOfBackupIdsFromDeleteOperation
{code}
+      System.out.println("Delete operation finished OK");
{code}
Add information about the backup Ids involved.

Please put the next patch on review board.

> Backup delete fault tolerance
> -----------------------------
>
>                 Key: HBASE-16392
>                 URL: https://issues.apache.org/jira/browse/HBASE-16392
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>              Labels: backup
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16392-v1.patch
>
>
> Backup delete modified file system and backup system table. We have to make 
> sure that operation is atomic, durable and isolated.



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