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https://issues.apache.org/jira/browse/HDFS-11986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manoj Govindassamy updated HDFS-11986:
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Attachment: HDFS-11986.02.patch
Attaching patch version 02 with latest trunk rebase. [~eddyxu], can you please
take a look?
> Dfsadmin should report erasure coding related information separately
> ---------------------------------------------------------------------
>
> Key: HDFS-11986
> URL: https://issues.apache.org/jira/browse/HDFS-11986
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: erasure-coding, hdfs
> Affects Versions: 3.0.0-alpha1
> Reporter: Manoj Govindassamy
> Assignee: Manoj Govindassamy
> Labels: hdfs-ec-3.0-nice-to-have
> Attachments: HDFS-11986.01.patch, HDFS-11986.02.patch
>
>
> dfsadmin -report command currently reports only the aggregated block stats
> like below.
> {noformat}
> # hdfs dfsadmin -report
> Configured Capacity: 1498775814144 (1.36 TB)
> Present Capacity: 931852427264 (867.86 GB)
> DFS Remaining: 931805765632 (867.81 GB)
> DFS Used: 46661632 (44.50 MB)
> DFS Used%: 0.01%
> Under replicated blocks: 0
> Blocks with corrupt replicas: 0
> Missing blocks: 0
> Missing blocks (with replication factor 1): 0
> Pending deletion blocks: 0
> {noformat}
> Just like fsck, the proposal is to make dfsadmin command to report erasure
> coding blockgroups stats separately, like below
> {noformat}
> # hdfs dfsadmin -report
> Configured Capacity: 1498775814144 (1.36 TB)
> Present Capacity: 931852427264 (867.86 GB)
> DFS Remaining: 931805765632 (867.81 GB)
> DFS Used: 46661632 (44.50 MB)
> DFS Used%: 0.01%
> Replicated Blocks:
> Under replicated blocks: 0
> Blocks with corrupt replicas: 0
> Missing blocks: 0
> Missing blocks (with replication factor 1): 0
> Pending deletion blocks: 0
> Erasure Coded Block Groups:
> Under ec block groups: 0
> EC block groups with corrupt internal blocks: 0
> Missing ec block groups: 0
> Pending deletion ec block groups: 0
> {noformat}
> Erasure coding specific details needed for this enhancements are already made
> available as part of HDFS-10999.
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