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https://issues.apache.org/jira/browse/HDFS-14754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16925090#comment-16925090
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Surendra Singh Lilhore commented on HDFS-14754:
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[~ayushtkn]
{quote}HDFS-14699 seems to be handling a quite similar scenario. Whether post
that gets in, still this problem be there. Whether reconstruction will still
not happen, without this?
{quote}
Both the issue are different, as I mentioned in comment , HDFS-14699 is
handling the busy DN scenario not duplicate block scenario. While reviewing I
checked this already.
> Erasure Coding : The number of Under-Replicated Blocks never reduced
> ---------------------------------------------------------------------
>
> Key: HDFS-14754
> URL: https://issues.apache.org/jira/browse/HDFS-14754
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: hemanthboyina
> Assignee: hemanthboyina
> Priority: Critical
> Attachments: HDFS-14754.001.patch, HDFS-14754.002.patch,
> HDFS-14754.003.patch, HDFS-14754.004.patch, HDFS-14754.005.patch,
> HDFS-14754.006.patch
>
>
> Using EC RS-3-2, 6 DN
> We came accross a scenario where in the EC 5 blocks , same block is
> replicated thrice and two blocks got missing
> Replicated block was not deleting and missing block is not able to ReConstruct
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