Home | About | Sematext search-lucene.com search-hadoop.com search-devops.com metrics + logs = try SPM and Logsene for free
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB
clear query|facets|time Search criteria: .   Results from 1 to 10 from 19 (0.171s).
Loading phrases to help you
refine your search...
Re: Invalid key type in the map task - Hadoop - [mail # user]
...You need to show the driver class as well. Are you using textinputformat?Are you aware that this standard inputformat will take as a value thecomplete line (until newline separator), the key...
   Author: Dieter De Witte, 2015-06-26, 16:44
Re: AWS Setting for setting up Hadoop cluster - Hadoop - [mail # user]
...You can install Hadoop on Amazon EC2 instances and use the free tier fornew members but you can also use Amazon EMR which is not free but is up andrunning in a couple of seconds...2015-03-05...
   Author: Dieter De Witte, 2015-03-05, 22:43
Re: Creation of an empty output directory in hadoop filesystem - Hadoop - [mail # user]
...Hi,Does this even compile? In the mapper the variable sum doesn't seem to bedefined?con.write(new Text(y), new IntWritable(sum));2015-01-07 13:58 GMT+01:00 Vandana kumari : ...
   Author: Dieter De Witte, 2015-01-07, 13:23
Re: Combine mapreduce result files - Hadoop - [mail # user]
...The number of part files depends on the number of reduce tasks which can betuned. So if you have a small problem you run with only one reduce task, ifit is a big problem you can run a second...
   Author: Dieter De Witte, 2014-12-28, 22:33
[expand - 2 more] - Re: Re: How many blocks does one input split have? - Hadoop - [mail # user]
...1 maptask = 1 input split, but a Mapperclass can handle multiple tasksalbeit one at a time..2014-12-18 4:54 GMT+01:00 [EMAIL PROTECTED] : ...
   Author: Dieter De Witte, 2014-12-18, 15:02
Re: Is it wrong to bypass HDFS? - Hadoop - [mail # user]
...100MB is very small, so the overhead of putting the data in hdfs is alsovery small. Does it even make sense to optimize this? (reading/writing willonly take a second or so) If you don't want...
   Author: Dieter De Witte, 2014-11-09, 19:52
Re: getting counters from specific hadoop jobs - Hadoop - [mail # user]
...Maybe you could use job -list or job -history to get a list of the jobidsand extract it from there?2014-10-23 13:32 GMT+02:00 Bart Vandewoestyne <[EMAIL PROTECTED] ...
   Author: Dieter De Witte, 2014-10-23, 12:56
Re: Replication factor affecting write performance - Hadoop - [mail # user]
...Isn't it logical that if your replication factor -> number of data nodesthat your performance will drop? Probably if repl factor approaches 18 forcluster A the write performance will drop...
   Author: Dieter De Witte, 2014-09-02, 14:26
Re: mr1 and mr2 - Hadoop - [mail # user]
...In my experience mixing APIs is probably the reason things do not work. Ifyou are using JobConf then you are not using MR1 I think. MR1 correspondsto Hadoop 1.x.x and JobConf is from Hadoop ...
   Author: Dieter De Witte, 2014-05-11, 06:56
Re: Eclipse-Plugin - Hadoop - [mail # user]
...Maybe you can install the Amazon AWS SDK, and then run EMR jobs, I thinkthese can be submitted via Eclipse but I haven't tried it myself.Regards, Dieter2014-04-06 20:44 GMT+02:00 João Paulo ...
   Author: Dieter De Witte, 2014-04-06, 18:51
Sort:
project
Hadoop (19)
author
Steve Loughran (258)
Owen O'Malley (249)
Allen Wittenauer (236)
Chris Nauroth (190)
Alejandro Abdelnur (141)
Todd Lipcon (125)
Colin Patrick McCabe (120)
Daryn Sharp (115)
Eli Collins (111)
Kai Zheng (101)
Konstantin Shvachko (89)
Akira AJISAKA (81)
Nigel Daley (80)
Arun C Murthy (75)
Harsh J (75)
Andrew Wang (74)
Benoy Antony (72)
Hairong Kuang (71)
Ted Yu (71)
Haohui Mai (68)
Arpit Agarwal (67)
Karthik Kambatla (67)
Runping Qi (67)
dhruba borthakur (62)
Doug Cutting (59)
Ivan Mitic (58)
Masatake Iwasaki (57)
Tom White (56)
Yi Liu (51)
Devaraj Das (50)
Kengo Seki (47)
Kihwal Lee (47)
Suresh Srinivas (46)
Chuan Liu (45)
Sean Busbey (44)
Mahadev konar (43)
ch huang (43)
Jason Lowe (42)
Owen OMalley (42)
Yoram Arnon (42)
Junping Du (40)
Sanjay Radia (38)
Tsz Wo Nicholas Sze (37)
unmesha sreeveni (36)
Brahma Reddy Battula (35)
Brandon Li (35)
Yongjun Zhang (35)
Koji Noguchi (34)
Tsz Wo (33)
Vinayakumar B (32)
Dieter De Witte (0)
type
mail # user (18)
issue (1)
date
last 7 days (0)
last 30 days (0)
last 90 days (0)
last 6 months (0)
last 9 months (19)
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB