[ https://issues.apache.org/jira/browse/HDFS-11242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Reid Chan updated HDFS-11242: ----------------------------- Attachment: HDFS-11242.002.patch Fix style problems, and add the server side proto implementation. Reviews and suggestions about codes are welcomed, thanks~ > Add refresh cluster network topology operation to dfs admin > ----------------------------------------------------------- > > Key: HDFS-11242 > URL: https://issues.apache.org/jira/browse/HDFS-11242 > Project: Hadoop HDFS > Issue Type: Improvement > Components: namenode > Affects Versions: 3.0.0-alpha1 > Reporter: Reid Chan > Priority: Minor > Attachments: HDFS-11242.002.patch, HDFS-11242.patch > > > The network topology and dns to switch mapping are initialized at the start > of the namenode. > If admin wants to change the topology because of new datanodes added, he has > to stop and restart namenode(s), otherwise those new added datanodes are > squeezed under /default-rack. > It is a low frequency operation, but it should be operated appropriately, so > dfs admin should take the responsibility. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org