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https://issues.apache.org/jira/browse/HDFS-6686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14071394#comment-14071394
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Arpit Agarwal commented on HDFS-6686:
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Hi Nicholas, took a look at the patch. Also have two questions:
# The recursive call on line 393 passes the same results list so the callee
might choose the replication fallback instead of creation fallback.
# Perhaps I misunderstood - on line 318, should we update numOfResults instead
of numOfReplicas? Later we check numOfResults before dequeuing entries from
storageTypes.
> Archival Storage: Use fallback storage types
> --------------------------------------------
>
> Key: HDFS-6686
> URL: https://issues.apache.org/jira/browse/HDFS-6686
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Attachments: h6686_20140721.patch, h6686_20140721c.patch
>
>
> HDFS-6671 changes replication monitor to use block storage policy for
> replication. It should also use the fallback storage types when a particular
> type of storage is full.
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