Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 41 to 50 from 134 (0.091s).
Loading phrases to help you
refine your search...
Re: Stuck MR job - Hadoop - [mail # user]
...Dd you put the jar which contains your mapper and reducer class on your classpath ?    On Wed, Jun 23, 2010 at 5:06 PM, Vidhyashankar Venkataraman  wrote: help.. y configs (pr...
   Author: Jeff Zhang, 2010-06-23, 09:40
Re: Performance tuning of sort - Hadoop - [mail # user]
...The scale of each reducer depends on the Partitioner. You can think of Partitioner as a Hash Function, and the reducer as bucket, So you can not expect that each bucket has same number of it...
   Author: Jeff Zhang, 2010-06-18, 05:34
Re: how to query JobTracker - Hadoop - [mail # user]
...Use JobClient.submitJob(JobConf job) , this method will return RunningJob. Then you can call RunningJob.isComplete() to query whether the previous job has been done.    On Thu, Jun...
   Author: Jeff Zhang, 2010-06-17, 14:42
Re: job execution - Hadoop - [mail # user]
...There's a class org.apache.hadoop.mapred.jobcontrol.Job which is a wapper of JobConf. And You and dependent jobs to it. Then put it to JobControl.     On Mon, Jun 14, 2010 at 9:55 ...
   Author: Jeff Zhang, 2010-06-15, 01:43
Re: Hadoop code execution!! - Hadoop - [mail # user]
...You should put hadoop-*.core.jar on your classpath. and initialize your FileSystem by the following method public static FileSystem get(URI uri, Configuration conf)  You can make the ur...
   Author: Jeff Zhang, 2010-06-12, 07:08
How to force the replication ? - Hadoop - [mail # general]
...Hi all I change the replication of file by using command : bin/hadoop setrep But when I use fsck to check the status of the file, it always shows that the one replica of this file is missing...
   Author: Jeff Zhang, 2010-06-07, 05:34
Re: Setting up a second cluster and getting a weird issue - Hadoop - [mail # user]
...It is not suggested to deploy hadoop on NFS, there will be conflict between data nodes, because NFS share the same namespace of file system.    On Thu, May 13, 2010 at 9:52 PM, And...
   Author: Jeff Zhang, 2010-05-14, 01:51
Re: How to recover hadoop cluster using SecondaryNameNode ? - Hadoop - [mail # user]
...Allen,  Do you mean HDFS-976  and HDFS-966  ?    On Fri, May 14, 2010 at 1:32 AM, Allen Wittenauer  wrote: have undergone any review outside of Facebook. :( &nb...
   Author: Jeff Zhang, 2010-05-14, 01:39
Re: submit multiple jobs simultaneously - Hadoop - [mail # user]
...The returned object of JobClient.submitJob(JobConf job) is RunningJob. You can get the job status through this object.    2010/5/12 Gang Luo :  counters, etc. How can I get th...
   Author: Jeff Zhang, 2010-05-12, 15:46
Re: Questions about SequenceFiles - Hadoop - [mail # user]
...I think this is a bug, writable object should have default no-argument constructor.   On Tue, May 11, 2010 at 7:20 AM, Ananth Sarathy  wrote: om onf); yClass()); ueClass()); ection...
   Author: Jeff Zhang, 2010-05-11, 14:31
Sort:
project
Hadoop (132)
Pig (101)
MapReduce (32)
HDFS (28)
HBase (20)
Hive (9)
Yarn (4)
Avro (2)
type
mail # user (115)
mail # general (11)
mail # dev (8)
date
last 7 days (0)
last 30 days (0)
last 90 days (8)
last 6 months (11)
last 9 months (134)
author
Harsh J (537)
Owen O'Malley (402)
Steve Loughran (358)
Todd Lipcon (233)
Eli Collins (181)
Arun C Murthy (157)
Chris Nauroth (129)
Alejandro Abdelnur (121)
Allen Wittenauer (115)
Nigel Daley (112)
Tom White (111)
Daryn Sharp (108)
Konstantin Shvachko (102)
Aaron Kimball (93)
Ted Yu (93)
Jeff Zhang