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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5577) Allow querying the JobHistoryServer by job arrival time
Date Tue, 15 Oct 2013 03:00:43 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandy Ryza updated MAPREDUCE-5577:
----------------------------------

    Description: 
The JobHistoryServer REST APIs currently allow querying by job submit time and finish time.
 However, jobs don't necessarily arrive in order of their finish time, meaning that a client
who wants to stay on top of all completed jobs needs to query large time intervals to make
sure they're not missing anything.  Exposing functionality to allow querying by the time a
job lands at the JobHistoryServer would allow clients to set the start of their query interval
to the time of their last query. 

The arrival time of a job would be defined as the time that it lands in the done directory
and can be picked up using the last modified date on history files.


  was:
The JobHistoryServer REST APIs currently allow querying by job submit time and finish time.
 However, jobs don't necessarily arrive in order of their finish time, meaning that a client
who wants to stay on top of all completed jobs needs to query large time intervals to make
sure they're not missing anything.  Exposing functionality to allow querying by the time a
job lands at the JobHistoryServer would allow clients to set the start of their query interval
to the time of their last query. 

The arrival time of a job would be defined as the time that it lands in the done directory.




> Allow querying the JobHistoryServer by job arrival time
> -------------------------------------------------------
>
>                 Key: MAPREDUCE-5577
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5577
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobhistoryserver
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: MAPREDUCE-5577.patch
>
>
> The JobHistoryServer REST APIs currently allow querying by job submit time and finish
time.  However, jobs don't necessarily arrive in order of their finish time, meaning that
a client who wants to stay on top of all completed jobs needs to query large time intervals
to make sure they're not missing anything.  Exposing functionality to allow querying by the
time a job lands at the JobHistoryServer would allow clients to set the start of their query
interval to the time of their last query. 
> The arrival time of a job would be defined as the time that it lands in the done directory
and can be picked up using the last modified date on history files.



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