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https://issues.apache.org/jira/browse/HDFS-14754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16927808#comment-16927808
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hemanthboyina commented on HDFS-14754:
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{code:java}
// update blocksMap
cluster.triggerBlockReports();
// add to invalidates
cluster.triggerHeartbeats();
// datanode delete block
cluster.triggerHeartbeats();
// update blocksMap
cluster.triggerBlockReports(); {code}
the reason for adding twice , to update blocksmap
we can go with HDFS-14754.006 patch
> 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, HDFS-14754.007.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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