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https://issues.apache.org/jira/browse/HDFS-2288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13225461#comment-13225461
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Tsz Wo (Nicholas), SZE commented on HDFS-2288:
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> Nicholas: given the above, do you think this patch is correct?
Hi Todd, first sorry that I forgot to answer it earlier. I think the patch is
incorrect. The data in RWR should not be visible since the RWR may be invalid.
I agree with Konstantin that the reader should wait for recovery. Yes, it
will take minutes. Why it takes so long? It is because the writer only writes
to a single replica in the first place.
> Replicas awaiting recovery should return a full visible length
> --------------------------------------------------------------
>
> Key: HDFS-2288
> URL: https://issues.apache.org/jira/browse/HDFS-2288
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: data-node
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Critical
> Fix For: 0.24.0
>
> Attachments: hdfs-2288.txt
>
>
> Currently, if the client calls getReplicaVisibleLength for a RWR, it returns
> a visible length of 0. This causes one of HBase's tests to fail, and I
> believe it's incorrect behavior.
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