[jira] Issue Comment Edited: (HADOOP-4559) Rest API for retrieving job / task statistics

["Paco Nathan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-4559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12644792#action_12644792 ] 

pacoid edited comment on HADOOP-4559 at 11/3/08 11:50 AM:
---------------------------------------------------------------

HADOOP-4559 provides a workaround for part of the issue described in HADOOP-3850.  Can now access log data by making REST calls to JSP provided in 3850. For example:

   RunningJob currentjob = JobClient.runJob(job_conf);

   JobID id = currentjob.getID();
   String url = "http://localhost:50030/api.jsp?info=jobdetails&id=" + id.getId();

   HttpClient client = new HttpClient();
   HttpMethod method = new GetMethod(url);

   client.executeMethod(method);
   String logData = method.getResponseBodyAsString();
   method.releaseConnection();


      was (Author: pacoid):
    HADOOP-4559 provides a workaround for the issue described in HADOOP-3850.  We can now access the log data by making REST calls to JSP provided in 3850.

   RunningJob currentjob = JobClient.runJob(job_conf);
   String urlPrefix = "http://localhost:50030/api.jsp?info=jobdetails&id=";
        final JobID id = currentjob.getID();
        final int id_int = id.getId();
        final String url = urlPrefix + id_int;
        final String json = getStringFromREST(url);

  
> Rest API for retrieving job / task statistics 
> ----------------------------------------------
>
>                 Key: HADOOP-4559
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4559
>             Project: Hadoop Core
>          Issue Type: New Feature
>            Reporter: Florian Leibert
>            Priority: Trivial
>             Fix For: 0.20.0
>
>         Attachments: HADOOP-4559.patch
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> a rest api that returns a simple JSON containing information about a given job such as:  min/max/avg times per task, failed tasks, etc. This would be useful in order to allow external restart or modification of parameters of a run.

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