Fwd: Compatibility in Apache Hadoop

2013-04-22 Thread Eli Collins
On Mon, Apr 22, 2013 at 5:42 PM, Steve Loughran wrote: > > On 22 April 2013 14:00, Karthik Kambatla wrote: > > > Hadoop devs, > > > > > > This doc does not intend to propose new policies. The idea is to have one > > document that outlines the various compatibility concerns (lots of areas > > beyo

Re: Compatibility in Apache Hadoop

2013-04-22 Thread Steve Loughran
On 22 April 2013 14:00, Karthik Kambatla wrote: > Hadoop devs, > > > This doc does not intend to propose new policies. The idea is to have one > document that outlines the various compatibility concerns (lots of areas > beyond API compatibility), captures the respective policies that exist, and >

Compatibility in Apache Hadoop

2013-04-22 Thread Karthik Kambatla
Hadoop devs, Eli and I have been working on a writeup on compatibility for developers, downstream projects and end users. The wiki page - http://wiki.apache.org/hadoop/Compatibility - is a strawman effort towards consolidating prior discussions and decisions; including the API classification effor

[jira] [Created] (HADOOP-9492) Fix the typo in testConf.xml to make it consistent with FileUtil#copy()

2013-04-22 Thread Jing Zhao (JIRA)
Jing Zhao created HADOOP-9492: - Summary: Fix the typo in testConf.xml to make it consistent with FileUtil#copy() Key: HADOOP-9492 URL: https://issues.apache.org/jira/browse/HADOOP-9492 Project: Hadoop Com

[jira] [Resolved] (HADOOP-9473) typo in FileUtil copy() method

2013-04-22 Thread Jing Zhao (JIRA)
[ https://issues.apache.org/jira/browse/HADOOP-9473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jing Zhao resolved HADOOP-9473. --- Resolution: Fixed > typo in FileUtil copy() method > -- > >

Re: How to understand Hadoop source code ?

2013-04-22 Thread Steve Loughran
On 19 April 2013 23:08, Noelle Jakusz (c) wrote: > > > I have created an account (noellejakusz) and would like write access to > help with this... > > OK, you have write access

Re: mrv1 vs YARN

2013-04-22 Thread Robert Evans
Like with most major releases of Hadoop the releases are API compatible, but not necessarily binary compatible. That means a job for 1.0 can be recompiled against 2.0 and it should compile and run similarly to 1.0. If it does not feel free to file a JAIR on the incompatibility. There have been a

[jira] [Created] (HADOOP-9491) HOD fails to run under python 2.6.1

2013-04-22 Thread Jonathan Barber (JIRA)
Jonathan Barber created HADOOP-9491: --- Summary: HOD fails to run under python 2.6.1 Key: HADOOP-9491 URL: https://issues.apache.org/jira/browse/HADOOP-9491 Project: Hadoop Common Issue Type: