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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-8530) Refine error message from ExportSnapshot when there is leftover snapshot in target cluster
Date Sat, 11 May 2013 03:05:16 GMT
Ted Yu created HBASE-8530:
-----------------------------

             Summary: 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


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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