[ https://issues.apache.org/jira/browse/HDFS-5475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo (Nicholas), SZE updated HDFS-5475: ----------------------------------------- Hadoop Flags: Reviewed +1 patch looks good. > NN incorrectly tracks more than one replica per DN > -------------------------------------------------- > > Key: HDFS-5475 > URL: https://issues.apache.org/jira/browse/HDFS-5475 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: namenode > Affects Versions: Heterogeneous Storage (HDFS-2832) > Reporter: Arpit Agarwal > Assignee: Arpit Agarwal > Attachments: h5475.01.patch > > > NN chooses a provisional target storage when allocating a new block and > records that block in the blockList of that storage. However the datanode is > free to choose a different storage for the block. On the next block report > the NN ends up with two blockList entries for the same replica+DN combination. -- This message was sent by Atlassian JIRA (v6.1#6144)