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https://issues.apache.org/jira/browse/HDFS-10693?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuanbo Liu updated HDFS-10693:
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Attachment: HDFS-10693.001.patch
[~shv]
Thanks for filing this. I've prepared v1 patch for this issue.
To my knowledge, metaSave is some kind of report tool, it will not cause
compatible problem if I change the output form of metaSave, am I right?
> metaSave should print blocks, not LightWeightHashSet
> ----------------------------------------------------
>
> Key: HDFS-10693
> URL: https://issues.apache.org/jira/browse/HDFS-10693
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.6.1
> Reporter: Konstantin Shvachko
> Assignee: Yuanbo Liu
> Attachments: HDFS-10693.001.patch
>
>
> metaSave command does not print actually block info for invalid blocks. This
> is because it is trying to print instances of {{LightWeightHashSet<Block>}},
> which is not informative.
> See {{InvalidateBlocks.dump()}} method.
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