Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 121 to 130 from 134 (0.144s).
Loading phrases to help you
refine your search...
EC2 do not support hadoop 0.18.3 - Hadoop - [mail # user]
...Hi all,  I found the the default value of HADOOP_VERSION is 0.17.0 in hadoop-ec2-env.sh of hadoop 0.18.3, and I can create hadoop 0.17.0 cluster in ec2 succesully, but I can not create ...
   Author: Jeff Zhang, 2009-10-30, 13:06
Can I install two different version of hadoop in the same cluster ? - Hadoop - [mail # user]
...Hi all,  I have installed hadoop 0.18.3 on my own cluster with 5 machines, now I want to install hadoop 0.20, but I do not run to uninstall the hadoop 0.18.3.  So what things shoul...
   Author: Jeff Zhang, 2009-10-30, 05:44
Re: What if an XML file cross boundary of HDFS chunks? - Hadoop - [mail # dev]
...Hi Steve,  When you want to read xml, you should provide your custom InputFormat which extends FileInputFormat.  and override the method isSplitable to not split a file , that mean...
   Author: Jeff Zhang, 2009-10-30, 00:42
Re: Need Help: The problem with text key of MapFile - Hadoop - [mail # general]
...I guess maybe HBase will be fit for you.   HBase is a distributed database built upon Hadoop. You can use the url as the row key and put other fields into columns.  then you can re...
   Author: Jeff Zhang, 2009-10-29, 02:16
Does the map task push map output to reduce task or reduce task pull it from map task - Hadoop - [mail # user]
...Hi all,  I'd like to know does the map task push map output to reduce task or reduce task pull it from map task ? Which way is real in hadoop ?  Thank you very much.   Jeff zh...
   Author: Jeff Zhang, 2009-10-27, 01:05
Do I need some distributed computing algorithm if I want to deep into source code of hadoop ? - Hadoop - [mail # user]
...Hi all,  These days, I begin look into source code hadoop. And I want to know whether I need some distributed computing algorithm if I want to deep into source code of hadoop ?   T...
   Author: Jeff Zhang, 2009-10-21, 15:16
Re: help with Hadoop custom Writable types implementation - Hadoop - [mail # user]
...agree, you'd better make all the fields implement Writable.  and then call their read write in your read write function.    On Thu, Oct 15, 2009 at 3:53 PM, Eason.Lee  wr...
   Author: Jeff Zhang, 2009-10-15, 08:31
Re: Reading files from local file system - Hadoop - [mail # general]
...Maybe you could debug your mapreduce job in eclipse, since you run it in local mode.    On Tue, Oct 13, 2009 at 5:56 AM, Chandan Tamrakar  wrote:  ...
   Author: Jeff Zhang, 2009-10-13, 13:49
Re: How can I run such a mapreduce program? - Hadoop - [mail # user]
...I do not think you can run jar compiled with hadoop 0.20.1 on hadoop 0.18.3  They are not compatible.    2009/10/13 杨卓荦   on 邮箱贺卡全新上线� ��...
   Author: Jeff Zhang, 2009-10-13, 03:06
Re: Parallel data stream processing - Hadoop - [mail # user]
...I snuggest you to use pig to handle your problem.  Pig is a sub-project of hadoop.  And you do not need to worry about the boundary problem. Actually hadoop handle that for you. &n...
   Author: Jeff Zhang, 2009-10-10, 08:50
Sort:
project
Hadoop (132)
Pig (102)
MapReduce (32)
HDFS (28)
HBase (21)
Hive (9)
YARN (5)
Avro (2)
Spark (1)
type
mail # user (115)
mail # general (11)
mail # dev (8)
date
last 7 days (0)
last 30 days (0)
last 90 days (0)
last 6 months (6)
last 9 months (134)
author
Harsh J (555)
Owen O'Malley (396)
Steve Loughran (381)
Todd Lipcon (238)
Eli Collins (182)
Alejandro Abdelnur (162)
Arun C Murthy (162)
Chris Nauroth (141)
Allen Wittenauer (126)
Tom White (118)
Nigel Daley (115)
Ted Yu (115)
Daryn Sharp (110)
Konstantin Shvachko (107)
Doug Cutting (94)
Aaron Kimball (93)
Edward Capriolo (87)
Colin Patrick McCabe (86)
Mark Kerzner (86)
jason hadoop (82)
Hairong Kuang (74)
Runping Qi (72)
Konstantin Boudnik (70)
Benoy Antony (69)
Suresh Srinivas (63)
Jeff Zhang