Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 61 to 70 from 134 (0.088s).
Loading phrases to help you
refine your search...
Re: How do I get access to the Reporter within Mapper? - Hadoop - [mail # user]
...You can use the Context for incrementing Counter or heartbeat.   On Wed, Feb 24, 2010 at 7:31 AM, Raymond Jennings III <[EMAIL PROTECTED]    Best Regards  Jeff Zhang...
   Author: Jeff Zhang, 2010-02-24, 15:49
Re: Job Tracker questions - Hadoop - [mail # user]
...This is the sample code for get the counters for one specified job ( I have tested it on my cluster).  What you need to change is the jobtracker address and jobID. Remember to put this ...
   Author: Jeff Zhang, 2010-02-24, 02:49
Re: OutOfMemoryError of PIG job (UDF loads big file) - Hadoop - [mail # user]
...Hi Jiang,  you should set property *mapred.child.java.opts* in mapred-site.xml to increase the memeory as following:             mapred.child.java.opts &nb...
   Author: Jeff Zhang, 2010-02-23, 02:13
Re: Identity Reducer - Hadoop - [mail # user]
...I guess you are using org.apache.hadoop.mapreduce.Mapper which is a class for hadoop new API. you can use the org.apache.hadoop.mapred.Mapper which is for old API    On Thu, Feb 11...
   Author: Jeff Zhang, 2010-02-12, 01:19
Re: Doubt about SequenceFile.Writer - Hadoop - [mail # user]
...The SequenceFile is not text file, so you can not see the content by invoking unix command cat. But you can get the text content by using hadoop command : hadoop fs -text    On Sun...
   Author: Jeff Zhang, 2010-02-07, 17:00
Re: Datanode will shut down automatically after it starts - Hadoop - [mail # user]
...It looks like the data node can not connect to the name node. Are you sure the data node and name node use the same version of hadoop ?  On Fri, Feb 5, 2010 at 7:24 AM, gillggx  wr...
   Author: Jeff Zhang, 2010-02-05, 15:41
Re: map side only behavior - Hadoop - [mail # user]
...No, the merge and sort will not happen in mapper task. And each mapper task will generate one output file.    2010/1/29 Gang Luo   �) 8:54:33 上午 [EMAIL PROTECTED]> �) 10:00...
   Author: Jeff Zhang, 2010-01-29, 16:05
Re: Exception happen when start a single node - Hadoop - [mail # user]
...Hi Nachiket,  Thank you for your reply. But I don't think the page you recommend can solve my problem. The problem on your page is try to solve the namespace version incompatibility. Bu...
   Author: Jeff Zhang, 2010-01-29, 14:40
Re: Fileformat query - Hadoop - [mail # user]
...Sorry for my mistake, the idea of writing your own InputFormat seems not a good idea. The cost of getting the line number of each split is a little high.    On Fri, Jan 29, 2010 at...
   Author: Jeff Zhang, 2010-01-29, 01:54
Re: Cleanup Attempt in Map Task - Hadoop - [mail # user]
...One easy way is to increase the timeout by setting mapred.task.timeout in mapred-site.xml    On Thu, Jan 28, 2010 at 5:59 PM, #YONG YONG CHENG#  wrote:     Best Rega...
   Author: Jeff Zhang, 2010-01-28, 10:24
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 (7)
last 6 months (11)
last 9 months (134)
author
Harsh J (537)
Owen O'Malley (403)
Steve Loughran (357)
Todd Lipcon (234)
Eli Collins (181)
Arun C Murthy (157)
Chris Nauroth (130)
Alejandro Abdelnur (121)
Allen Wittenauer (115)
Nigel Daley (112)
Tom White (111)
Daryn Sharp (108)
Konstantin Shvachko (102)
Ted Yu (95)
Aaron Kimball (93)
Jeff Zhang