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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