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https://issues.apache.org/jira/browse/HDFS-12969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17162986#comment-17162986
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Hemanth Boyina commented on HDFS-12969:
---------------------------------------
thanks [~tasanuma] for the review
{quote}TestDecommission#testListOpenFilesWithType failed when
{{dfs.namenode.list.openfiles.num.responses}} is not 1 (like 2 or 3). Some
BLOCKING_DECOMMISSION files are incorrectly listed as ALL_OPEN_FILES
{quote}
updated the patch by adding a new test case for different number of responses
{quote} I think NameNode needs to have the list of ALL_OPEN_FILES(non-blocking)
files in advance
{quote}
agree that , having this will make the improvement easier , but i think
Namenode having all openfiles without blocking decommission in advance will
not be benefited/useful in our current scenarios except listOpenFilesByType
> DfsAdmin listOpenFiles should report files by type
> --------------------------------------------------
>
> Key: HDFS-12969
> URL: https://issues.apache.org/jira/browse/HDFS-12969
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Affects Versions: 3.1.0
> Reporter: Manoj Govindassamy
> Assignee: Hemanth Boyina
> Priority: Major
> Attachments: HDFS-12969.001.patch, HDFS-12969.002.patch,
> HDFS-12969.003.patch
>
>
> HDFS-11847 has introduced a new option to {{-blockingDecommission}} to an
> existing command
> {{dfsadmin -listOpenFiles}}. But the reporting done by the command doesn't
> differentiate the files based on the type (like blocking decommission). In
> order to change the reporting style, the proto format used for the base
> command has to be updated to carry additional fields and better be done in a
> new jira outside of HDFS-11847. This jira is to track the end-to-end
> enhancements needed for dfsadmin -listOpenFiles console output.
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