[jira] Updated: (HADOOP-5123) Ant tasks for job submission

["Steve Loughran (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-5123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran updated HADOOP-5123:
-----------------------------------

    Attachment: JobSubmitTask.java

This is a first draft of a JobSubmit client.

1. no declaration/setting up of the inputs and outputs
2. no setup, yet, of the configuration above the default values. 

For #2 there's a choice.
(a) refer to an ant resource (including, once its in there, a resource in an HDFS filesystem)
(b) let you declare the various properties in Ant itself. 

(b) is more Ant-like, but less compatible with the rest of the hadoop configuration design, and may still need to support reading in XML files just to get the base configuration together. But a mixed-configuration is hardest to get right.

Thoughts?





> Ant tasks for job submission
> ----------------------------
>
>                 Key: HADOOP-5123
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5123
>             Project: Hadoop Core
>          Issue Type: New Feature
>    Affects Versions: 0.21.0
>         Environment: Both platforms, Linux and Windows
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>         Attachments: JobSubmitTask.java
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> Ant tasks to make it easy to work with hadoop filesystem and submit jobs. 
> <submit> : uploads JAR, submits job as user, with various settings
> filesystem operations: mkdir, copyin, copyout, delete
>  -We could maybe use Ant1.7 "resources" here, and so use hdfs as a source or dest in Ant's own tasks
> # security. Need to specify user; pick up user.name from JVM as default?
> # cluster binding: namenode/job tracker (hostname,port) or url are all that is needed?
> #job conf: how to configure the job that is submitted? support a list of <property name="name" value="something"> children
> # testing. AntUnit to generate <junitreport> compatible XML files
> # Documentation. With an example using Ivy to fetch the JARs for the tasks and hadoop client.
> # Polling: ant task to block for a job finished? 

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