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https://issues.apache.org/jira/browse/HDFS-7701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14492118#comment-14492118
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Peter Shi commented on HDFS-7701:
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My modification should not affect this testcases. And my local machine passes
these testcases.
> Support reporting per storage type quota and usage with hadoop/hdfs shell
> -------------------------------------------------------------------------
>
> Key: HDFS-7701
> URL: https://issues.apache.org/jira/browse/HDFS-7701
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Reporter: Xiaoyu Yao
> Assignee: Peter Shi
> Attachments: HDFS-7701.01.patch, HDFS-7701.02.patch,
> HDFS-7701.03.patch, HDFS-7701.04.patch, HDFS-7701.05.patch
>
>
> "hadoop fs -count -q" or "hdfs dfs -count -q" currently shows name space/disk
> space quota and remaining quota information. With HDFS-7584, we want to
> display per storage type quota and its remaining information as well.
> The current output format as shown below may not easily accomodate 6 more
> columns = 3 (existing storage types) * 2 (quota/remaining quota). With new
> storage types added in future, this will make the output even more crowded.
> There are also compatibility issues as we don't want to break any existing
> scripts monitoring hadoop fs -count -q output.
> $ hadoop fs -count -q -v /test
> QUOTA REM_QUOTA SPACE_QUOTA REM_SPACE_QUOTA DIR_COUNT
> FILE_COUNT CONTENT_SIZE PATHNAME
> none inf 524288000 524266569 1
> 15 21431 /test
> Propose to add -t parameter to display ONLY the storage type quota
> information of the directory in the separately. This way, existing scripts
> will work as-is without using -t parameter.
> 1) When -t is not followed by a specific storage type, quota and usage
> information for all storage types will be displayed.
> $ hadoop fs -count -q -t -h -v /test
> SSD_QUOTA REM_SSD_QUOTA DISK_QUOTA REM_DISK_QUOTA
> ARCHIVAL_QUOTA REM_ARCHIVAL_QUOTA PATHNAME
> 512MB 256MB none inf none
> inf /test
> 2) If -t is followed by a storage type, only the quota and remaining quota of
> the storage type is displayed.
> $ hadoop fs -count -q -t SSD -h -v /test
>
> SSD_QUOTA REM_SSD_QUOTA PATHNAME
> 512 MB 256 MB /test
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