Re: Question about Hadoop-8192 and rackToBlocks ordering

2012-03-23 Thread Devaraj Das
; >> Kumar Ravi >> IBM Linux Technology Center >> Austin, TX >> >> Tel.: (512)286-8179 >> >> Devaraj Das ---03/22/2012 04:41:36 PM---On Mar 22, 2012, at 11:45 AM, > Amir Sanjar wrote: >> >> >> From: >> >> Devaraj Das >> >&g

Re: Question about Hadoop-8192 and rackToBlocks ordering

2012-03-23 Thread Amir Sanjar
/Austin/IBM@IBMUS Date: 03/23/2012 12:15 PM Subject:Re: Question about Hadoop-8192 and rackToBlocks ordering Thanks for the explanation, Kumar. This looks like a testcase problem. We can get into a discussion on whether we should tweak the split selection process to output more/less splits

Re: Question about Hadoop-8192 and rackToBlocks ordering

2012-03-23 Thread Devaraj Das
; > From: > > Devaraj Das > > To: > > common-dev@hadoop.apache.org > > Cc: > > Jeffrey J Heroux/Poughkeepsie/IBM@IBMUS, John Williams/Austin/IBM@IBMUS > > Date: > > 03/22/2012 04:41 PM > > Subject: > > Re: Question about Hadoop-8192 and

Re: Question about Hadoop-8192 and rackToBlocks ordering

2012-03-23 Thread Kumar Ravi
bject:Re: Question about Hadoop-8192 and rackToBlocks ordering On Mar 22, 2012, at 11:45 AM, Amir Sanjar wrote: > Thanks for the reply Robert, > However I believe the main design issue is: > If there is a ra

Re: Question about Hadoop-8192 and rackToBlocks ordering

2012-03-22 Thread Devaraj Das
Senior Software Engineer > Phone# 512-286-8393 > Fax# 512-838-8858 > > > > > > From: Robert Evans > To: "common-dev@hadoop.apache.org" > Date: 03/22/2012 11:57 AM > Subject: Re: Question about Hadoop-8192 and rackToBlocks ordering >

Re: Question about Hadoop-8192 and rackToBlocks ordering

2012-03-22 Thread Amir Sanjar
Fax# 512-838-8858 From: Robert Evans To: "common-dev@hadoop.apache.org" Date: 03/22/2012 11:57 AM Subject:Re: Question about Hadoop-8192 and rackToBlocks ordering If it really is the ordering of the hash map I would say no it should not, and the code should

Re: Hadoop-8192 and rackToBlocks ordering

2012-03-22 Thread Devaraj Das
Hi Kumar, I assume you are referring to HADOOP-8192. I need to look at the code to see if the ordering matters but most likely it wouldn't. Thanks Devaraj On Mar 21, 2012, at 1:47 PM, Kumar Ravi wrote: > > > Hello, > > We have been looking at IBM JDK junit failures on Hadoop-1.0.1 > independe

Re: Question about Hadoop-8192 and rackToBlocks ordering

2012-03-22 Thread Robert Evans
If it really is the ordering of the hash map I would say no it should not, and the code should be updated. If ordering matters we need to use a map that guarantees a given order, and hash map is not one of them. --Bobby Evans On 3/22/12 7:24 AM, "Kumar Ravi" wrote: Hello, We have been look

Question about Hadoop-8192 and rackToBlocks ordering

2012-03-22 Thread Kumar Ravi
Hello, We have been looking at IBM JDK junit failures on Hadoop-1.0.1 independently and have ran into the same failures as reported in this JIRA. I have a question based upon what I have observed below. We started debugging the problems in the testcase - org.apache.hadoop.mapred.lib.TestCombineF

Hadoop-8192 and rackToBlocks ordering

2012-03-21 Thread Kumar Ravi
Hello, We have been looking at IBM JDK junit failures on Hadoop-1.0.1 independently and have ran into the same failures as reported in this JIRA. I have a question based upon what I have observed below. We started debugging the problems in the testcase - org.apache.hadoop.mapred.lib.TestCombin