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Aaron T. Myers updated HDFS-6482: --------------------------------- Fix Version/s: (was: 2.5.0) Hey James, just for future reference - we don't set the "fix version" field until the issue is actually resolved. The "target version" field is used to indicate what version a fix is intended for. > Use block ID-based block layout on datanodes > -------------------------------------------- > > Key: HDFS-6482 > URL: https://issues.apache.org/jira/browse/HDFS-6482 > Project: Hadoop HDFS > Issue Type: Improvement > Components: datanode > Affects Versions: 2.5.0 > Reporter: James Thomas > Assignee: James Thomas > Attachments: HDFS-6482.patch > > > Right now blocks are placed into directories that are split into many > subdirectories when capacity is reached. Instead we can use a block's ID to > determine the path it should go in. This eliminates the need for the LDir > data structure that facilitates the splitting of directories when they reach > capacity as well as fields in ReplicaInfo that keep track of a replica's > location. > An extension of the work in HDFS-3290. -- This message was sent by Atlassian JIRA (v6.2#6252)