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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-237) Refreshing the RM page forgets how many rows I had in my Datatables
Date Mon, 11 Mar 2013 20:33:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13599236#comment-13599236
] 

Robert Joseph Evans commented on YARN-237:
------------------------------------------

Sorry to keep adding more things in here, but JQuery.java is a generic part of YARN.  It,
in theory, can be used by others not just Map/Reduce and YARN.  Encoding in a special case
for the tasks table is not acceptable.  You should be able to get the same functionality by
switching to the DATATABLES_SELECTOR for those tables.

We also need to address the find bugs issues. You are dereferencing type to create the ID
of the tasks and type could be null, although in practice it should never be.  Also there
is no need to call toString() on type when using + with another string.  This may fix the
find bugs issues too, although it would not be super clean.
                
> Refreshing the RM page forgets how many rows I had in my Datatables
> -------------------------------------------------------------------
>
>                 Key: YARN-237
>                 URL: https://issues.apache.org/jira/browse/YARN-237
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.0.2-alpha, 0.23.4, 3.0.0
>            Reporter: Ravi Prakash
>            Assignee: jian he
>              Labels: usability
>         Attachments: YARN-237.patch, YARN-237.v2.patch, YARN-237.v3.patch
>
>
> If I choose a 100 rows, and then refresh the page, DataTables goes back to showing me
20 rows.
> This user preference should be stored in a cookie.

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