hadoop-mapreduce-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Ravi Prakash (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4720) Browser thinks History Server main page JS is taking too long
Date Wed, 07 Nov 2012 18:26:12 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492571#comment-13492571
] 

Ravi Prakash commented on MAPREDUCE-4720:
-----------------------------------------

Hi Luke!

For 20000 jobs
$ time curl localhost:19888/jobhistory > file
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 3812k    0 3812k    0     0  26.3M      0 --:--:-- --:--:-- --:--:-- 26.5M

real	0m0.147s
user	0m0.002s
sys	0m0.017s

For 200000 jobs
$ time curl localhost:19888/jobhistory > file
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 37.5M    0 37.5M    0     0  9332k      0 --:--:--  0:00:04 --:--:-- 9346k

real	0m4.151s
user	0m0.022s
sys	0m0.098s


So I doubt that the Jetty server is having trouble streaming the data.
                
> Browser thinks History Server main page JS is taking too long
> -------------------------------------------------------------
>
>                 Key: MAPREDUCE-4720
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4720
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.23.3
>            Reporter: Robert Joseph Evans
>            Assignee: Ravi Prakash
>         Attachments: MAPREDUCE-4720.patch, MAPREDUCE-4720.patch
>
>
> The main History Server page with the default settings of 20,000 jobs can cause browsers
to think that the JS on the page is stuck and ask you if you want to kill it. This is a big
usability problem.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira

Mime
View raw message