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Ayush Saxena commented on HDFS-14220: ------------------------------------- Thanx [~elgoiri], Yes I guess RackFaultTolerant Policy also places replicas in maximum possible racks, [~Amithsha] does these solve your purpose? Or is there something can't be done this way which we are missing? > Enable Replica Placement Value Per Rack > --------------------------------------- > > Key: HDFS-14220 > URL: https://issues.apache.org/jira/browse/HDFS-14220 > Project: Hadoop HDFS > Issue Type: Improvement > Components: datanode > Affects Versions: 2.7.1 > Reporter: Amithsha > Assignee: Ayush Saxena > Priority: Major > Attachments: HDFS-14220-01.patch, HDFS-14220-02.patch > > > By default, Replica placement per rack will be taken care by > BlockPlacementPolicyDefault.java . > With 2 if conditions > # numOfRacks <1 > # numOfRacks > 1 > and the placement will happen as 1 on localrack, 2 on remote rack. > If a user needs max of 1 replica per rack then > BlockPlacementPolicyDefault.java modification is needed instead we can add a > property to specify the placement policy and replica value per rack. > > -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org