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From "Bryan Duxbury (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-498) Use an external DFS instead of spinning up a MiniDFS for every test
Date Fri, 07 Mar 2008 01:26:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bryan Duxbury updated HBASE-498:
--------------------------------

      Component/s: test
    Fix Version/s: 0.2.0
      Description: 
My testing suggests that we could shave about a minute off the entire suite if we only had
to start up a single DFS instance instead of a new one for each test. Stack has investigated
using ant to perform this initialization task, but come up empty handed.

I propose that we should expect the developer running the test suite to start a DFS before
running "ant test". We could provide a bin/hbase command that does specifically that in order
to make it easy. This would save not only the initial start up time but all the startup time
of all tests and test suite runs you execute in a session of development and testing. 

Do people think that an extra step to testing would be too hard for new (or lazy existing)
developers?

> Use an external DFS instead of spinning up a MiniDFS for every test
> -------------------------------------------------------------------
>
>                 Key: HBASE-498
>                 URL: https://issues.apache.org/jira/browse/HBASE-498
>             Project: Hadoop HBase
>          Issue Type: Sub-task
>          Components: test
>            Reporter: Bryan Duxbury
>             Fix For: 0.2.0
>
>
> My testing suggests that we could shave about a minute off the entire suite if we only
had to start up a single DFS instance instead of a new one for each test. Stack has investigated
using ant to perform this initialization task, but come up empty handed.
> I propose that we should expect the developer running the test suite to start a DFS before
running "ant test". We could provide a bin/hbase command that does specifically that in order
to make it easy. This would save not only the initial start up time but all the startup time
of all tests and test suite runs you execute in a session of development and testing. 
> Do people think that an extra step to testing would be too hard for new (or lazy existing)
developers?

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