[ https://issues.apache.org/jira/browse/HDFS-3498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Junping Du reopened HDFS-3498: ------------------------------ Reopen jira for backport to branch-2 > Make Replica Removal Policy pluggable and ReplicaPlacementPolicyDefault > extensible for reusing code in subclass > --------------------------------------------------------------------------------------------------------------- > > Key: HDFS-3498 > URL: https://issues.apache.org/jira/browse/HDFS-3498 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 1.0.0, 2.0.0-alpha > Reporter: Junping Du > Assignee: Junping Du > Fix For: 3.0.0 > > Attachments: Hadoop-8471-BlockPlacementDefault-extensible.patch, > HDFS-3498-branch-2.patch, HDFS-3498.patch, HDFS-3498-v2.patch, > HDFS-3498-v3.patch, HDFS-3498-v4.patch, HDFS-3498-v5.patch > > > ReplicaPlacementPolicy is already a pluggable component in Hadoop. However, > the Replica Removal Policy is still nested in BlockManager that need to be > separated out into a ReplicaPlacementPolicy then can be override later. Also > it looks like hadoop unit test lack the testing on replica removal policy, so > we add it here. > On the other hand, as a implementation of ReplicaPlacementPolicy, > ReplicaPlacementDefault still show lots of generic for other topology cases > like: virtualization, and we want to make code in > ReplicaPlacementPolicyDefault can be reused as much as possible so a few of > its methods were changed from private to protected. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira