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Re: Replace a block with a new one - Hadoop - [mail # user]
...IMHO this is a spectacularly bad idea. Is it a one off event? Why not justtake the perf hit and recreate the file?If you need to do this regularly you should consider a mutable file storelik...
   Author: Arpit Agarwal, 2014-07-18, 21:19
Re: multiple map tasks writing in same hdfs file -issue - Hadoop - [mail # user]
...HDFS is single-writer, multiple-reader (see sec 8.3.1 ofhttp://aosabook.org/en/hdfs.html). You cannot have multiple writers for asingle file at a time.On Thu, Jul 10, 2014 at 2:55 AM, rab ra...
   Author: Arpit Agarwal, 2014-07-10, 18:00
[HADOOP-9627] TestSocketIOTimeout should be rewritten without platform-specific assumptions - Hadoop - [issue]
...TestSocketIOTimeout makes some assumptions about the behavior of file channels wrt partial writes that do not appear to hold true on Windows [details in HADOOP-8982].Currently part o...
http://issues.apache.org/jira/browse/HADOOP-9627    Author: Arpit Agarwal, 2014-07-10, 07:28
Re: Copy hdfs block from one data node to another - Hadoop - [mail # user]
...The balancer does something similar. It usesDataTransferProtocol.replaceBlock.On Wed, Jul 9, 2014 at 9:20 PM, sudhakara st  wrote:CONFIDENTIALITY NOTICENOTICE: This message is intended ...
   Author: Arpit Agarwal, 2014-07-10, 04:34
Re: [VOTE] Change by-laws on release votes: 5 days instead of 7 - Hadoop - [mail # dev]
...+1 ArpitOn Tue, Jun 24, 2014 at 1:53 AM, Arun C Murthy  wrote:CONFIDENTIALITY NOTICENOTICE: This message is intended for the use of the individual or entity to which it is addressed and...
   Author: Arpit Agarwal, 2014-06-25, 19:03
[HADOOP-9383] mvn clean compile fails without install goal - Hadoop - [issue]
...'mvn -Pnative-win clean compile' fails with the following error:[ERROR] Could not find goal 'protoc' in plugin org.apache.hadoop:hadoop-maven-plugins:3.0.0-SNAPSHOT among available g...
http://issues.apache.org/jira/browse/HADOOP-9383    Author: Arpit Agarwal, 2014-06-17, 09:43
Re: Fwd: Trying to build Hadoop on Windows 8 - Hadoop - [mail # user]
...There are no official Apache Hadoop binaries for Windows.I recall hitting the same error (MSB4019) with a bad SDK installation.Can you copy paste all environment variables from your build pr...
   Author: Arpit Agarwal, 2014-06-13, 22:04
Re: Best Linux version for hadoop development - Hadoop - [mail # dev]
...Can you please file a Jira and post the logs/stack traces?I cannot repro any of those test failures on either trunk or branch-2.4 (onCentos 6.5). Don't have an Ubuntu installation to verify....
   Author: Arpit Agarwal, 2014-06-13, 18:33
Re: Building hadoop 2.2.1 from source code - Hadoop - [mail # user]
...You may need to add the 'install' target the first time you build (andevery time you build clean thereafter).Your 'java -version' and 'mvn -version' report different versions of Java.Check y...
   Author: Arpit Agarwal, 2014-06-12, 18:30
[HADOOP-10571] Use Log.*(Object, Throwable) overload to log exceptions - Hadoop - [issue]
...When logging an exception, we often convert the exception to string or call .getMessage. Instead we can use the log method overloads which take Throwable as a parameter....
http://issues.apache.org/jira/browse/HADOOP-10571    Author: Arpit Agarwal, 2014-06-09, 21:01
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