[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2012-01-06 Thread Eli Collins (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181562#comment-13181562 ] Eli Collins commented on HDFS-2179: --- Agree. Spoke to Todd, am going to move this to commo

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-08-04 Thread Suresh Srinivas (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079539#comment-13079539 ] Suresh Srinivas commented on HDFS-2179: --- My feeling is that this is not NN specific.

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-08-04 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079530#comment-13079530 ] Todd Lipcon commented on HDFS-2179: --- Yes, sorry for not running test-patch before. I just

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-08-04 Thread Suresh Srinivas (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079519#comment-13079519 ] Suresh Srinivas commented on HDFS-2179: --- I have not reviewed the patch yet. Just look

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-08-04 Thread Suresh Srinivas (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079516#comment-13079516 ] Suresh Srinivas commented on HDFS-2179: --- Todd, should we run test-patch before commit

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-08-04 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079463#comment-13079463 ] Todd Lipcon commented on HDFS-2179: --- The only difference the lack of {{continue}} stateme

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-08-04 Thread Aaron T. Myers (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079459#comment-13079459 ] Aaron T. Myers commented on HDFS-2179: -- Latest patch looks great. One tiny comment In

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-08-03 Thread Aaron T. Myers (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079155#comment-13079155 ] Aaron T. Myers commented on HDFS-2179: -- Patch looks pretty good, Todd. A few comments:

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-07-25 Thread dhruba borthakur (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13070658#comment-13070658 ] dhruba borthakur commented on HDFS-2179: Awesome, +1 to the proposal listed above.

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-07-25 Thread Suresh Srinivas (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13070631#comment-13070631 ] Suresh Srinivas commented on HDFS-2179: --- Case 1), where active standby are in communi

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-07-22 Thread Eli Collins (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13069846#comment-13069846 ] Eli Collins commented on HDFS-2179: --- Agree with your proposal, though we shouldn't need t

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-07-21 Thread Kihwal Lee (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13069033#comment-13069033 ] Kihwal Lee commented on HDFS-2179: -- I think it is safe to serve reads as long as the new n

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-07-20 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068723#comment-13068723 ] Todd Lipcon commented on HDFS-2179: --- I found this reference useful to see what kind of fe

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-07-20 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068702#comment-13068702 ] Todd Lipcon commented on HDFS-2179: --- and one more open question I forgot: do we care abou

[jira] [Commented] (HDFS-2179) HA: namenode fencing mechanism

2011-07-20 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068700#comment-13068700 ] Todd Lipcon commented on HDFS-2179: --- h3. Fencing overview In order to fence a NN, there