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https://issues.apache.org/jira/browse/HDFS-2922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205422#comment-13205422
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Hudson commented on HDFS-2922:
------------------------------
Integrated in Hadoop-Hdfs-HAbranch-build #74 (See
[https://builds.apache.org/job/Hadoop-Hdfs-HAbranch-build/74/])
HDFS-2922. HA: close out operation categories. Contributed by Eli Collins
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1242572
Files :
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/RetryInvocationHandler.java
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
*
/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
> HA: close out operation categories
> ----------------------------------
>
> Key: HDFS-2922
> URL: https://issues.apache.org/jira/browse/HDFS-2922
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Eli Collins
> Assignee: Eli Collins
> Attachments: hdfs-2922.txt, hdfs-2922.txt
>
>
> We need to close out the NN operations categories.
> The following operations should be left as is, ie not failover, as it's
> reasonable to call these on a standby, and we just need to update the TODO
> with a comment:
> - {{setSafeMode}} (Might want to force the standby out of safemode)
> - {{restoreFailedStorage}} (Might want to tell the standby to restore the
> shared edits dir)
> - {{saveNamespace}}, {{metaSave}} (Could imagine calling these on a standby
> eg in a recovery scenario)
> - {{refreshNodes}} (Decommissioning needs to refresh the standby)
> The following operations should be checked for READ, as neither should need
> to be called on standby, will failover unless stale reads are enabled:
> - {{getTransactionID}}, {{getEditLogManifest}} (we don't checkoint the
> standby)
> The following operations should be checked for WRITE, as they should not be
> called on a standby, ie should always failover:
> - {{finalizeUpgrade}}, {{distributedUpgradeProgress}} (should not be able to
> upgrade the standby)
> - {{setBalancerBandwidth}} (balancer should failover)
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