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Ted Yu commented on HBASE-19969: -------------------------------- Vlad: Can you address checkstyle warnings ? {code} ./hbase-backup/src/test/java/org/apache/hadoop/hbase/backup/TestBackupMerge.java:33:import org.junit.Assert;: Wrong order for 'org.junit.Assert' import. [ImportOrder] ./hbase-backup/src/test/java/org/apache/hadoop/hbase/backup/TestBackupMerge.java:39:import static org.junit.Assert.assertTrue;: Wrong order for 'org.junit.Assert.assertTrue' import. [ImportOrder] {code} > Improve fault tolerance in backup merge operation > ------------------------------------------------- > > Key: HBASE-19969 > URL: https://issues.apache.org/jira/browse/HBASE-19969 > Project: HBase > Issue Type: Sub-task > Reporter: Vladimir Rodionov > Assignee: Vladimir Rodionov > Priority: Major > Attachments: HBASE-19969-v1.patch, HBASE-19969-v2.patch, > HBASE-19969-v3.patch > > > Some file system operations are not fault tolerant during merge. We delete > backup data in a backup file system, then copy new data over to backup > destination. Deletes can be partial, copy can fail as well -- This message was sent by Atlassian JIRA (v7.6.3#76005)