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From "James Clampffer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10441) libhdfs++: HA namenode support
Date Thu, 30 Jun 2016 13:24:10 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Clampffer updated HDFS-10441:
-----------------------------------
    Attachment: HDFS-10441.HDFS-8707.009.patch

Now using the default RPC delay as the failover delay to prevent this from thrashing between
datanodes that happen to both be marked standby while in the middle of failing over.  Ready
for review, I plan on adding the exponential backoff failover delay in another patch.

> libhdfs++: HA namenode support
> ------------------------------
>
>                 Key: HDFS-10441
>                 URL: https://issues.apache.org/jira/browse/HDFS-10441
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: James Clampffer
>            Assignee: James Clampffer
>         Attachments: HDFS-10441.HDFS-8707.000.patch, HDFS-10441.HDFS-8707.002.patch,
HDFS-10441.HDFS-8707.003.patch, HDFS-10441.HDFS-8707.004.patch, HDFS-10441.HDFS-8707.005.patch,
HDFS-10441.HDFS-8707.006.patch, HDFS-10441.HDFS-8707.007.patch, HDFS-10441.HDFS-8707.008.patch,
HDFS-10441.HDFS-8707.009.patch, HDFS-8707.HDFS-10441.001.patch
>
>
> If a cluster is HA enabled then do proper failover.



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