[jira] [Commented] (HDFS-8194) Add administrative tool to be able to examine the NN's view of DN storages
[ https://issues.apache.org/jira/browse/HDFS-8194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14507879#comment-14507879 ] Aaron T. Myers commented on HDFS-8194: -- Those all seem like decent ideas to me, especially the bit about putting it into JMX so that arbitrary other tools can get access to this info as well. The crux of the problem is just that there's no way currently to introspect the NN's view of the world with respect to the storages it's tracking. > Add administrative tool to be able to examine the NN's view of DN storages > -- > > Key: HDFS-8194 > URL: https://issues.apache.org/jira/browse/HDFS-8194 > Project: Hadoop HDFS > Issue Type: New Feature > Components: namenode >Affects Versions: 2.7.0 >Reporter: Aaron T. Myers >Assignee: Colin Patrick McCabe > > The NN has long had facilities to be able to list all of the DNs that are > registered with it. It would be great if there were an administrative tool be > able to list all of the individual storages that the NN is tracking. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Commented] (HDFS-8194) Add administrative tool to be able to examine the NN's view of DN storages
[ https://issues.apache.org/jira/browse/HDFS-8194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505748#comment-14505748 ] Chris Nauroth commented on HDFS-8194: - There could be some potential overlap here with the work done in HDFS-7604, although that feature specifically reported only on volumes/storages that had failed, not all volumes. > Add administrative tool to be able to examine the NN's view of DN storages > -- > > Key: HDFS-8194 > URL: https://issues.apache.org/jira/browse/HDFS-8194 > Project: Hadoop HDFS > Issue Type: New Feature > Components: namenode >Affects Versions: 2.7.0 >Reporter: Aaron T. Myers >Assignee: Colin Patrick McCabe > > The NN has long had facilities to be able to list all of the DNs that are > registered with it. It would be great if there were an administrative tool be > able to list all of the individual storages that the NN is tracking. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Commented] (HDFS-8194) Add administrative tool to be able to examine the NN's view of DN storages
[ https://issues.apache.org/jira/browse/HDFS-8194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14504246#comment-14504246 ] Haohui Mai commented on HDFS-8194: -- What about making the information available through JMX / JSON so that the UI can benefit from it? Or if possible, merging the tool referred in this jira into the UI. > Add administrative tool to be able to examine the NN's view of DN storages > -- > > Key: HDFS-8194 > URL: https://issues.apache.org/jira/browse/HDFS-8194 > Project: Hadoop HDFS > Issue Type: New Feature > Components: namenode >Affects Versions: 2.7.0 >Reporter: Aaron T. Myers >Assignee: Colin Patrick McCabe > > The NN has long had facilities to be able to list all of the DNs that are > registered with it. It would be great if there were an administrative tool be > able to list all of the individual storages that the NN is tracking. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
