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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3358) Specify explicitly that the NN UI status total is talking of persistent objects on heap.
Date Thu, 03 May 2012 21:24:49 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13267810#comment-13267810
] 

Suresh Srinivas commented on HDFS-3358:
---------------------------------------

bq. 223 files and directories, 138 blocks = 361 total. Followed by heap stats.
I have hard time understanding what the confusion is. 

One stat is showing file system related counts. The heap size is java heap size. Yes, the
files, dirs and blocks count towards the heap size, so does numerous other objects. These
two lines show separate stats about HDFS.

                
> Specify explicitly that the NN UI status total is talking of persistent objects on heap.
> ----------------------------------------------------------------------------------------
>
>                 Key: HDFS-3358
>                 URL: https://issues.apache.org/jira/browse/HDFS-3358
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 2.0.0
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Trivial
>              Labels: nitpick
>         Attachments: HDFS-3358.patch
>
>
> The NN shows, on its web UI, something like:
> {{223 files and directories, 138 blocks = 361 total.}}
> Followed by heap stats.
> We should clarify this line is talking of objects and is related to the heap summaries.
Perhaps just being explicit about java-terms would be nicer:
> {{223 files and directories, 138 blocks = 361 total objects.}}

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