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Ted Yu edited comment on AMBARI-18952 at 2/27/18 2:33 AM: ---------------------------------------------------------- Note: There is cost when BackupObserver is registered - it would poll backup table (at the end of bulk load per region) for whether the underlying table has gone thru full backup . was (Author: yuzhih...@gmail.com): Note: There is cost when BackupObserver is registered - it would poll backup table (at the end of bulk load per region) for whether the underlying table has gone thru full backup. > Register BackupObserver and BackupHFileCleaner > ---------------------------------------------- > > Key: AMBARI-18952 > URL: https://issues.apache.org/jira/browse/AMBARI-18952 > Project: Ambari > Issue Type: Improvement > Reporter: Ted Yu > Priority: Major > > Over in HBASE-14417, two new classes are added. > org.apache.hadoop.hbase.backup.BackupHFileCleaner should be registered > through hbase.master.hfilecleaner.plugins . It is responsible for keeping > bulk loaded hfiles so that incremental backup can pick them up. > org.apache.hadoop.hbase.backup.BackupObserver should be registered through > hbase.coprocessor.region.classes > It is notified when bulk load completes and writes records into hbase:backup > table. -- This message was sent by Atlassian JIRA (v7.6.3#76005)