common-dev@hadoop.apache.org discussions for January 2011

24	Fwd: Hadoop use direct I/O in Linux?

Hello, I don't know which mailing list is better for this question, so I like to forward my questions to this mailing list. If no one is thinking of doing direct IO in Hadoop, I will do it myself. I ...

Da Zheng
Jan 3, 2011 at 6:44 pm
Jan 6, 2011 at 8:12 pm

7	debugging hadoop

I want to debug the hadoop code in multi-node cluster, not only debugging an application as WordCount but also the hadoop code itself to understand the idea of it. Thanks.

Zinab Ahmed Mahmoud Elgendy
Jan 23, 2011 at 6:04 am
Jan 26, 2011 at 8:47 pm

6	Hadoop-common-trunk-Commit is failing since 01/19/2011

I see Hadoop-common-trunk-Commit is failing and not sending any emails. It times out on native compilation and aborts. Therefore changes are not integrated, and now it lead to hdfs and mapreduce both ...

Konstantin Shvachko
Jan 29, 2011 at 1:54 am
Jan 31, 2011 at 11:11 pm

4	Hadoop - Eclipse Plugin Error

Hi Hadoopers, I am trying to connect hadoop from eclipse to run MapReduce jobs. I am getting the following error while connecting to the DFS Locations in eclipse, "Error: Call to ...

Raghu R
Jan 18, 2011 at 7:30 pm
Jan 28, 2011 at 5:24 pm

3	Stopping datanodes dynamically.

Hi, Can anyone please answer the question. How to remove the datanodes dynamically from the masternode without stopping it?

James Ram
Jan 31, 2011 at 9:03 am
Jan 31, 2011 at 5:22 pm

3	Review Request: HADOOP-7104 Remove unnecessary DNS reverse lookups from RPC layer

----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/316/ ...

Todd Lipcon
Jan 14, 2011 at 12:02 am
Jan 17, 2011 at 9:01 pm

3	Jira workflow problem.

I seem to have selected the wrong option in Jira to get the latest patch handled. For some reason the option to indicate a new patch has been made available is no longer present. ...

Niels Basjes
Jan 6, 2011 at 9:41 pm
Jan 6, 2011 at 10:18 pm

2	[jira] Created: (HADOOP-7119) add Kerberos HTTP SPNEGO authentication support to Hadoop JT/NN/DN/TT web-consoles

add Kerberos HTTP SPNEGO authentication support to Hadoop JT/NN/DN/TT web-consoles ---------------------------------------------------------------------------------- Key: HADOOP-7119 URL: ...

Alejandro Abdelnur (JIRA)
Jan 26, 2011 at 10:29 am
Sep 11, 2011 at 7:04 pm

2	Report as a bug?

I was playing around with PMD, just to see what kind of messages it gives on my hadoop feature. I noticed a message about "Dead code" in org.apache.hadoop.fs.ftp.FTPFileSystem Starting at about line ...

Niels Basjes
Jan 29, 2011 at 8:45 pm
Jan 29, 2011 at 11:17 pm

2	Latency and speed of HDFS

Hi all, I want to know the detailed performance of Hadoop. I am writing a client code to test the latency, transfer speed of HDFS, and the time of initiating a JVM for a task. Does anyone know that ...

Pei HE
Jan 28, 2011 at 11:36 pm
Jan 29, 2011 at 5:54 am

2	Using git grafts to merge history across project split

I know many people use git, so wanted to share a neat tip I figured out this morning that lets you graft the pre-split history into the post-split repositories. I'm using git 1.7.1, not sure how new ...

Todd Lipcon
Jan 5, 2011 at 8:37 pm
Jan 18, 2011 at 7:36 pm

2	Ready for review?

Hi, I consider the patch I created to be ready for review by a code reviewer. It does what I want it to do and Hudson gives an overall +1. The http://wiki.apache.org/hadoop/HowToContribute was ...

Niels Basjes
Jan 7, 2011 at 2:50 pm
Jan 7, 2011 at 9:51 pm

2	Re: svn commit: r1055684 - /hadoop/common/branches/branch-0.20/CHANGES.txt

Is 20.3 a 'dead' release ? I haven't seen any discussion of this on the apache lists about creating a 20.3 release, and kind of goes against all the discussion that we recently had with StAck about ...

Ian Holsman
Jan 5, 2011 at 11:59 pm
Jan 7, 2011 at 9:10 pm

1	[jira] Created: (HADOOP-7084) Remove java5 dependencies from site's build

Remove java5 dependencies from site's build ------------------------------------------- Key: HADOOP-7084 URL: https://issues.apache.org/jira/browse/HADOOP-7084 Project: Hadoop Common Issue Type: ...

Konstantin Boudnik (JIRA)
Jan 4, 2011 at 12:59 am
Jun 27, 2012 at 5:09 am

1	[jira] Created: (HADOOP-7106) Re-organize hadoop subversion layout

Re-organize hadoop subversion layout ------------------------------------ Key: HADOOP-7106 URL: https://issues.apache.org/jira/browse/HADOOP-7106 Project: Hadoop Common Issue Type: Improvement ...

Nigel Daley (JIRA)
Jan 14, 2011 at 5:48 pm
Jun 15, 2011 at 5:38 pm

1	unsubscribe please

Kang Jie
Jan 31, 2011 at 8:52 pm
Jan 31, 2011 at 9:08 pm

1	Unsubscribe.

Unsubscribe.

Mahadev Konar
Jan 31, 2011 at 8:52 pm
Jan 31, 2011 at 9:00 pm

1	Unsibscribe.

Unsubscribe.

Mahadev Konar
Jan 31, 2011 at 8:49 pm
Jan 31, 2011 at 8:51 pm

1	Warning while trying copy the data into HDFS

Hi, I am new to this group. I tried to copy a 1GB file to the HDFS. While copying the data it showed the below error. Anyhow it copied the data successfully. I am curious to know why this warning ...

James Ram
Jan 29, 2011 at 9:32 am
Jan 29, 2011 at 5:05 pm

1	Do Common developers use FindBugs?

Dear developers, I am a PhD student at UFMG, Brazil and as part of my research I am making a study about the relevance of the warnings reported by the FindBugs bug finding tool. Since I am planning ...

César Couto
Jan 24, 2011 at 6:17 pm
Jan 24, 2011 at 6:43 pm

1	[jira] Created: (HADOOP-7113) SecureIOUtils needs to consider LARGEFILE in configure script

SecureIOUtils needs to consider LARGEFILE in configure script ------------------------------------------------------------- Key: HADOOP-7113 URL: https://issues.apache.org/jira/browse/HADOOP-7113 ...

Arun C Murthy (JIRA)
Jan 20, 2011 at 9:43 pm
Jan 20, 2011 at 11:20 pm

1	How to write test cases for ensuing stream's/socket's closure either in catch block or finally block

Hi All, How to write test cases for the scenarios such as throwing an IOException from the try block and ensuing that corresponding stream's/socket's closure either in catch block or in finally ...

Bhallamudi kamesh
Jan 17, 2011 at 2:07 pm
Jan 18, 2011 at 4:23 am

1	Review Request: HADOOP-7096 Allow setting of end-of-record delimiter for TextInputFormat

----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/312/ ...

Ahmed Radwan
Jan 13, 2011 at 2:42 am
Jan 17, 2011 at 8:57 am

1	[jira] Created: (HADOOP-7089) Use readlink to get absolute paths in the scripts

Use readlink to get absolute paths in the scripts -------------------------------------------------- Key: HADOOP-7089 URL: https://issues.apache.org/jira/browse/HADOOP-7089 Project: Hadoop Common ...

Eli Collins (JIRA)
Jan 6, 2011 at 1:58 am
Jan 14, 2011 at 8:08 am

1	source versioning question

What is the relation between the current trunk and branch-0.22? Is trunk the current dev for 0.23 or 0.22? Thanks, Noah

Noah Watkins
Jan 11, 2011 at 5:52 am
Jan 11, 2011 at 6:57 am

1	Review Request: HADOOP-6902 RPC server's SASL_PROPS shouldn't be re-initialized every time an RPC client is created

----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/270/ ...

Todd Lipcon
Jan 10, 2011 at 8:09 pm
Jan 10, 2011 at 8:18 pm

1	Re: [Hadoop Wiki] Update of "FrontPage" by prosch

Seems like a good moment to blacklist the prosch user from ever changing the wiki again. 2011/1/10 Apache Wiki <wikidiffs@apache.org : -- Met vriendelijke groeten, Niels Basjes

Niels Basjes
Jan 10, 2011 at 10:46 am
Jan 10, 2011 at 6:05 pm

1	Build failed, hudson broken?

Hi, I just submitted a patch for the feature I've been working on. https://issues.apache.org/jira/browse/HADOOP-7076 This patch works fine on my system and passes all the unit tests. Now some 30 ...

Niels Basjes
Jan 5, 2011 at 9:23 pm
Jan 5, 2011 at 9:44 pm

0	[jira] Created: (HADOOP-7127) Bug in login error handling in org.apache.hadoop.fs.ftp.FTPFileSystem

Bug in login error handling in org.apache.hadoop.fs.ftp.FTPFileSystem --------------------------------------------------------------------- Key: HADOOP-7127 URL: ...

Niels Basjes (JIRA)
Jan 29, 2011 at 11:17 pm
Jan 29, 2011 at 11:17 pm

0	[jira] Created: (HADOOP-7126) TestDFSShell fails in trunk

TestDFSShell fails in trunk --------------------------- Key: HADOOP-7126 URL: https://issues.apache.org/jira/browse/HADOOP-7126 Project: Hadoop Common Issue Type: Bug Affects Versions: 0.22.0 ...

Po Cheung (JIRA)
Jan 28, 2011 at 9:43 pm
Jan 28, 2011 at 9:43 pm

0	[jira] Created: (HADOOP-7125) Datanode Disk Fail Inplace

Datanode Disk Fail Inplace -------------------------- Key: HADOOP-7125 URL: https://issues.apache.org/jira/browse/HADOOP-7125 Project: Hadoop Common Issue Type: Sub-task Reporter: Bharath Mundlapudi ...

Bharath Mundlapudi (JIRA)
Jan 28, 2011 at 9:09 pm
Jan 28, 2011 at 9:09 pm

0	[jira] Created: (HADOOP-7124) TaskTracker Disk Fail Inplace

TaskTracker Disk Fail Inplace ----------------------------- Key: HADOOP-7124 URL: https://issues.apache.org/jira/browse/HADOOP-7124 Project: Hadoop Common Issue Type: Sub-task Reporter: Bharath ...

Bharath Mundlapudi (JIRA)
Jan 28, 2011 at 9:07 pm
Jan 28, 2011 at 9:07 pm

0	[jira] Created: (HADOOP-7123) Hadoop Disk Fail Inplace

Hadoop Disk Fail Inplace ------------------------ Key: HADOOP-7123 URL: https://issues.apache.org/jira/browse/HADOOP-7123 Project: Hadoop Common Issue Type: Improvement Reporter: Bharath Mundlapudi ...

Bharath Mundlapudi (JIRA)
Jan 28, 2011 at 8:59 pm
Jan 28, 2011 at 8:59 pm

0	[jira] Created: (HADOOP-7122) Timed out shell commands leak Timer threads

Timed out shell commands leak Timer threads ------------------------------------------- Key: HADOOP-7122 URL: https://issues.apache.org/jira/browse/HADOOP-7122 Project: Hadoop Common Issue Type: Bug ...

Todd Lipcon (JIRA)
Jan 27, 2011 at 10:08 pm
Jan 27, 2011 at 10:08 pm

0	[jira] Created: (HADOOP-7121) Exceptions while serializing IPC call response are not handled well

Exceptions while serializing IPC call response are not handled well ------------------------------------------------------------------- Key: HADOOP-7121 URL: ...

Todd Lipcon (JIRA)
Jan 27, 2011 at 8:47 pm
Jan 27, 2011 at 8:47 pm

0	[jira] Created: (HADOOP-7120) 200 new Findbugs

200 new Findbugs ---------------- Key: HADOOP-7120 URL: https://issues.apache.org/jira/browse/HADOOP-7120 Project: Hadoop Common Issue Type: Bug Components: build, test Reporter: Tsz Wo (Nicholas), ...

Tsz Wo (Nicholas), SZE (JIRA)
Jan 27, 2011 at 1:24 am
Jan 27, 2011 at 1:24 am

0	[jira] Created: (HADOOP-7118) NPE in Configuration.writeXml

NPE in Configuration.writeXml ----------------------------- Key: HADOOP-7118 URL: https://issues.apache.org/jira/browse/HADOOP-7118 Project: Hadoop Common Issue Type: Bug Affects Versions: 0.22.0 ...

Todd Lipcon (JIRA)
Jan 25, 2011 at 10:52 pm
Jan 25, 2011 at 10:52 pm

0	[jira] Created: (HADOOP-7117) Move secondary namenode checkpoint configs from core-default.xml to hdfs-default.xml

Move secondary namenode checkpoint configs from core-default.xml to hdfs-default.xml ------------------------------------------------------------------------------------ Key: HADOOP-7117 URL: ...

Patrick Angeles (JIRA)
Jan 25, 2011 at 5:49 pm
Jan 25, 2011 at 5:49 pm

0	[jira] Created: (HADOOP-7116) raise contrib junit test jvm memory size to 512mb

raise contrib junit test jvm memory size to 512mb ------------------------------------------------- Key: HADOOP-7116 URL: https://issues.apache.org/jira/browse/HADOOP-7116 Project: Hadoop Common ...

Owen O'Malley (JIRA)
Jan 25, 2011 at 7:36 am
Jan 25, 2011 at 7:36 am

0	[jira] Resolved: (HADOOP-6864) Provide a JNI-based implementation of ShellBasedUnixGroupsNetgroupMapping (implementation of GroupMappingServiceProvider)

[ https://issues.apache.org/jira/browse/HADOOP-6864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Todd Lipcon resolved HADOOP-6864. --------------------------------- Resolution: ...

Todd Lipcon (JIRA)
Jan 25, 2011 at 12:01 am
Jan 25, 2011 at 12:01 am

0	Do Lucene developers use FindBugs?

Dear developers, I am a PhD student at UFMG, Brazil and as part of my research I am making a study about the relevance of the warnings reported by the FindBugs bug finding tool. Since I am planning ...

César Couto
Jan 24, 2011 at 5:25 pm
Jan 24, 2011 at 5:25 pm

0	[jira] Resolved: (HADOOP-6304) Use java.io.File.set{Readable\|Writable\|Executable} where possible in RawLocalFileSystem

[ https://issues.apache.org/jira/browse/HADOOP-6304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Arun C Murthy resolved HADOOP-6304. ----------------------------------- ...

Arun C Murthy (JIRA)
Jan 21, 2011 at 8:36 am
Jan 21, 2011 at 8:36 am

0	[jira] Created: (HADOOP-7115) Add a cache for getpwuid_r and getpwgid_r calls

Add a cache for getpwuid_r and getpwgid_r calls ----------------------------------------------- Key: HADOOP-7115 URL: https://issues.apache.org/jira/browse/HADOOP-7115 Project: Hadoop Common Issue ...

Arun C Murthy (JIRA)
Jan 20, 2011 at 11:22 pm
Jan 20, 2011 at 11:22 pm

0	[jira] Created: (HADOOP-7114) FsShell should dump all exceptions at DEBUG level

FsShell should dump all exceptions at DEBUG level ------------------------------------------------- Key: HADOOP-7114 URL: https://issues.apache.org/jira/browse/HADOOP-7114 Project: Hadoop Common ...

Todd Lipcon (JIRA)
Jan 20, 2011 at 10:09 pm
Jan 20, 2011 at 10:09 pm

0	[jira] Resolved: (HADOOP-6127) The real user name should be used by bin/hadoop fs (ie. FsShell) instead of the one in the configuration.

[ https://issues.apache.org/jira/browse/HADOOP-6127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Todd Lipcon resolved HADOOP-6127. --------------------------------- Resolution: ...

Todd Lipcon (JIRA)
Jan 20, 2011 at 10:05 pm
Jan 20, 2011 at 10:05 pm

0	[jira] Created: (HADOOP-7112) Issue a warning when GenericOptionsParser libjars are not on local filesystem

Issue a warning when GenericOptionsParser libjars are not on local filesystem ----------------------------------------------------------------------------- Key: HADOOP-7112 URL: ...

Tom White (JIRA)
Jan 20, 2011 at 7:13 pm
Jan 20, 2011 at 7:13 pm

0	[jira] Created: (HADOOP-7111) Several TFile tests failing when native libraries are present

Several TFile tests failing when native libraries are present ------------------------------------------------------------- Key: HADOOP-7111 URL: https://issues.apache.org/jira/browse/HADOOP-7111 ...

Todd Lipcon (JIRA)
Jan 18, 2011 at 10:59 pm
Jan 18, 2011 at 10:59 pm

0	[jira] Created: (HADOOP-7110) Implement chmod with JNI

Implement chmod with JNI ------------------------ Key: HADOOP-7110 URL: https://issues.apache.org/jira/browse/HADOOP-7110 Project: Hadoop Common Issue Type: Improvement Components: io, native Affects ...

Todd Lipcon (JIRA)
Jan 18, 2011 at 5:32 pm
Jan 18, 2011 at 5:32 pm

0	[jira] Created: (HADOOP-7109) Add Python Hadoop I/O to contrib

Add Python Hadoop I/O to contrib -------------------------------- Key: HADOOP-7109 URL: https://issues.apache.org/jira/browse/HADOOP-7109 Project: Hadoop Common Issue Type: New Feature Reporter: ...

Matteo Bertozzi (JIRA)
Jan 17, 2011 at 6:24 pm
Jan 17, 2011 at 6:24 pm

0	Review Request: MAPREDUCE-2254 Allow setting of end-of-record delimiter for TextInputFormat

----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/329/ ...

Ahmed Radwan
Jan 17, 2011 at 9:00 am
Jan 17, 2011 at 9:00 am

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