Home | About | Sematext search-lucene.com search-hadoop.com
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
clear query|facets|time Search criteria: .   Results from 1 to 10 from 24 (0.116s).
Loading phrases to help you
refine your search...
Re: Split files into 80% and 20% for building model and prediction - Hadoop - [mail # user]
...How about doing something on the lines of bucketing: Pick a field that isunique for each record and if hash of the field mod 10 is 8 or less it goesin one bin, otherwise into the other one.C...
   Author: Chris Mawata, 2014-12-12, 14:13
[expand - 1 more] - Re: When schedulers consider x% of resources what do they mean? - Hadoop - [mail # user]
...Thanks -- so this would be enforced at the ResourceManager level and notthe NodeManager level.On Fri, Dec 5, 2014 at 2:22 PM, Vinod Kumar Vavilapalli wrote: ...
   Author: Chris Mawata, 2014-12-05, 20:25
Re: planning a cluster - Hadoop - [mail # user]
...If you plan to use it to learn how to program for Hadoop then pseudodistributed (cluster of 1) will do. If you plan to use it to learn how toadminister a cluster then 4 or 5 nodes will allow...
   Author: Chris Mawata, 2014-07-22, 15:30
[expand - 1 more] - Re: Is it a good idea to delete / move the default configuration xml file ? - Hadoop - [mail # user]
...I suspect someone wanted to read through them to know tge defaults.ChrisOn Jul 21, 2014 2:16 PM, "Chris Nauroth"  wrote: ...
   Author: Chris Mawata, 2014-07-21, 18:45
[expand - 3 more] - Re: Re: HDFS input/output error - fuse mount - Hadoop - [mail # user]
...Great that you got it sorted out. I'm afraid I don't know if there is aconfiguration that would automatically check the versions -- maybe someonewho knows might chime in.CheersChrisOn Jul 18...
   Author: Chris Mawata, 2014-07-19, 01:05
[expand - 1 more] - Re: Configuration set up questions - Container killed on request. Exit code is 143 - Hadoop - [mail # user]
...Another thing to try is smaller input splits if your data can be broken upinto smaller files that can be independently processed. That way syou get more but smaller map tasks. You could also...
   Author: Chris Mawata, 2014-07-17, 15:16
Re: Can someone shed some light on this ? - java.io.IOException: Spill failed - Hadoop - [mail # user]
...I would post the configuration files -- easier for someone to spotsomething wrong than to imagine what configuration would get you to thatstacktrace. The partCaused by: org.apache.hadoop.uti...
   Author: Chris Mawata, 2014-07-17, 01:11
[expand - 1 more] - Re: Copy hdfs block from one data node to another - Hadoop - [mail # user]
...Haven't looked at the source but the thing you are trying to do soundssimilar to what happens when you are decommissioning a datanode. I wouldhunt for that code.CheersChrisOn Jul 9, 2014 3:4...
   Author: Chris Mawata, 2014-07-09, 21:20
Re: Need to evaluate the price of a Hadoop cluster - Hadoop - [mail # user]
...Some comments:3 drives each of capacity 1Tb will be better than one 3 Tb drive.On a small cluster you can not afford to reserve a whole machine for eachmaster daemon. The NameNode and JobTra...
   Author: Chris Mawata, 2014-07-04, 06:12
Re: Working of combiner in hadoop - Hadoop - [mail # user]
...The key/value pairs are processes by the mapper independently of eachother. The combiner logic deals with all the outputs from multiplekey/value pairs do that logic can not be in the map met...
   Author: Chris Mawata, 2014-07-04, 06:00
Sort:
project
Hadoop (24)
MapReduce (16)
HDFS (5)
type
mail # user (24)
date
last 7 days (1)
last 30 days (2)
last 90 days (2)
last 6 months (15)
last 9 months (24)
author
Harsh J (561)
Steve Loughran (405)
Owen O'Malley (394)
Todd Lipcon (237)
Eli Collins (182)
Alejandro Abdelnur (179)
Arun C Murthy (166)
Allen Wittenauer (159)
Chris Nauroth (156)
Ted Yu (138)
Tom White (120)
Daryn Sharp (115)
Nigel Daley (115)
Konstantin Shvachko (107)
Colin Patrick McCabe (101)
Doug Cutting (96)
Aaron Kimball (94)
Edward Capriolo (88)
Mark Kerzner (87)
jason hadoop (82)
Hairong Kuang (74)
Benoy Antony (72)
Konstantin Boudnik (72)
Runping Qi (72)
Karthik Kambatla (67)
Chris Mawata
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