[jira] [Created] (HDFS-16626) Under replicated blocks in dfsadmin report should contain pendingReconstruction‘s blocks

["caozhiqiang (Jira)" <ji...@apache.org>]

caozhiqiang created HDFS-16626:
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             Summary: Under replicated blocks in dfsadmin report should contain pendingReconstruction‘s blocks
                 Key: HDFS-16626
                 URL: https://issues.apache.org/jira/browse/HDFS-16626
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: ec, namanode
    Affects Versions: 3.4.0
            Reporter: caozhiqiang
            Assignee: caozhiqiang


In the output of command 'hdfs dfsadmin -report', the value of Under replicated blocks and ec Low redundancy block groups only contains the block number in BlockManager::neededReconstruction. It should also contain the block number in BlockManager::pendingReconstruction, include the timeout items. Specially, in some scenario, for example, decommission a dn with a lot of ec blocks, there would be a lot blocks in  pendingReconstruction at a long time but neededReconstruction's size may be 0. That will confuse user and they can't access the real decommissioning progress.



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