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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8530) Refine error message from ExportSnapshot when there is leftover snapshot in target cluster
Date Sun, 12 May 2013 02:37:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13655430#comment-13655430
] 

Hudson commented on HBASE-8530:
-------------------------------

Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #525 (See [https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/525/])
    HBASE-8530 Refine error message from ExportSnapshot when there is leftover snapshot in
target cluster (Ted Yu) (Revision 1481400)

     Result = FAILURE
tedyu : 
Files : 
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/ExportSnapshot.java

                
> Refine error message from ExportSnapshot when there is leftover snapshot in target cluster
> ------------------------------------------------------------------------------------------
>
>                 Key: HBASE-8530
>                 URL: https://issues.apache.org/jira/browse/HBASE-8530
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>             Fix For: 0.98.0, 0.95.1
>
>         Attachments: 8530-v1.txt
>
>
> ExportSnapshot performs the following validation check before starting export:
> {code}
>     // Check if the snapshot already in-progress
>     if (outputFs.exists(snapshotTmpDir)) {
>       System.err.println("A snapshot with the same name '" + snapshotName + "' is in-progress");
>       return 1;
>     }
> {code}
> The intention was to prevent concurrent snapshot export when snapshot with the same name
may be outstanding.
> Here is sample output:
> {code}
> hbase@ip-10-165-36-226 root$ hbase org.apache.hadoop.hbase.snapshot.ExportSnapshot -snapshot
snapone -copy-to hdfs://10.12.113.22:8020/apps/hbase/data -mappers 1
> A snapshot with the same name 'snapone' is in-progress
> {code}
> We should note the actual path in the error message so that user can check whether the
snapshot with same name is still pending.

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