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https://issues.apache.org/jira/browse/HDFS-10919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17802534#comment-17802534
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Shilun Fan commented on HDFS-10919:
-----------------------------------
Bulk update: moved all 3.4.0 non-blocker issues, please move back if it is a
blocker. Retarget 3.5.0.
> Provide admin/debug tool to dump out info of a given block
> ----------------------------------------------------------
>
> Key: HDFS-10919
> URL: https://issues.apache.org/jira/browse/HDFS-10919
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: hdfs
> Reporter: Yongjun Zhang
> Assignee: Shweta
> Priority: Major
>
> We have fsck to find out blocks associated with a file, which is nice.
> Sometimes, we saw trouble with a specific block, we'd like to collect info
> about this block, such as
> * what file this block belong to,
> * where the replicas of this block are located,
> * whether the block is EC coded;
> * if a block is EC coded, whether it's a data block, or code
> * if a block is EC coded, what's the codec.
> * if a block is EC coded, what's the block group
> * for the block group, what are the other blocks
> Create this jira to provide such a util, as dfsadmin, or a debug tool.
> Thanks.
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