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https://issues.apache.org/jira/browse/HDFS-1973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13046352#comment-13046352
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Hari A V commented on HDFS-1973:
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Hi Aron,
Can you please elaborate a little bit on your area of interest with
ZOOKEEPER-1080?
If it is for NN HA, i would be very happy to get your comments on the design
which i have suggested, so that i can consider them for the patch.
I have refered to the NameNode+HA_v2_1.pdf uploaded at HDFS-1623 while
preparing the design doc (that helped me a lot for my design doc). The usecases
are almost matching. I am currently in the process of making the patch ready
for submitting.
- Hari
> HA: HDFS clients must handle namenode failover and switch over to the new
> active namenode.
> ------------------------------------------------------------------------------------------
>
> Key: HDFS-1973
> URL: https://issues.apache.org/jira/browse/HDFS-1973
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Suresh Srinivas
> Assignee: Aaron T. Myers
>
> During failover, a client must detect the current active namenode failure and
> switch over to the new active namenode. The switch over might make use of IP
> failover or some thing more elaborate such as zookeeper to discover the new
> active.
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