Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 61 to 70 from 94 (0.081s).
Loading phrases to help you
refine your search...
Re: error:Type mismatch in value from map - Hadoop - [mail # user]
...If you want to use a combiner, your map has to output the same types as your combiner outputs. In your case, modify your map to look like this:   ┬ápublic static class TokenizerMapper &n...
   Author: Joey Echeverria, 2011-07-29, 14:49
Re: Hadoop Question - Hadoop - [mail # user]
...How about having the slave write to temp file first, then move it to the fil e the master is monitoring for after they close it?  -Joey    On Jul 27, 2011, at 22:51, Nitin Kha...
   Author: Joey Echeverria, 2011-07-28, 12:22
Re: questions regarding data storage and inputformat - Hadoop - [mail # user]
...You could either use a custom RecordReader or you could override the run() method on your Mapper class to do the merging before calling the map() method.  -Joey  On Wed, Jul 27, 20...
2 emails [+ more]    Author: Joey Echeverria, 2011-07-27, 20:40
Re: Running queries using index on HDFS - Hadoop - [mail # user]
...To add to what Bobby said, you can get block locations with fs.getFileBlockLocations() if you want to open based on locality.  -Joey  On Mon, Jul 25, 2011 at 3:00 PM, Robert Evans ...
   Author: Joey Echeverria, 2011-07-25, 23:15
Re: Hadoop-streaming with a c binary executable as a mapper - Hadoop - [mail # user]
...Your executable needs to read lines from standard in. Try setting your mappe r like this:   If that doesn't work, you may need to execute your C program from a shell sc ript. The -I add...
   Author: Joey Echeverria, 2011-07-22, 15:34
Re: Where to find best documentation for setting up kerberos authentication in 0.20.203.0rc1 - Hadoop - [mail # user]
...Hi Issac,  I couldn't find anything specifically for the 0.20.203 release, but CDH3 uses basically the same security code. You could probably follow our security guide with the 0.20.203...
   Author: Joey Echeverria, 2011-07-18, 20:26
Re: replicate data in HDFS with smarter encoding - Hadoop - [mail # user]
...Facebook contributed some code to do something similar called HDFS RAID:  http://wiki.apache.org/hadoop/HDFS-RAID  -Joey   On Jul 18, 2011, at 3:41, Da Zheng  wrote: &nbs...
   Author: Joey Echeverria, 2011-07-18, 11:10
Re: FW: type mismatch error - Hadoop - [mail # user]
...Your map method is misnamed. It should be in all lower case.  -Joey On Jul 12, 2011 2:46 AM, "Teng, James"  wrote: run, however encountered an exception while continue going furthe...
   Author: Joey Echeverria, 2011-07-12, 13:15
Re: Cluster Tuning - Hadoop - [mail # user]
...Set mapred.reduce.slowstart.completed.maps to a number close to 1.0. 1.0 means the maps have to completely finish before the reduce starts copying any data. I often run jobs with this set to...
2 emails [+ more]    Author: Joey Echeverria, 2011-07-08, 16:14
Re: HTTP Error - Hadoop - [mail # user]
...It looks like both datanodes are trying to serve data out of the smae direct ory. Is there any chance that both datanodes are using the same NFS mount fo r the dfs.data.dir?  If not, wh...
   Author: Joey Echeverria, 2011-07-08, 11:55
Sort:
project
Hadoop (93)
HBase (60)
MapReduce (56)
Accumulo (36)
HDFS (32)
Sqoop (11)
Flume (6)
Hive (5)
Avro (4)
Zookeeper (2)
Bigtop (1)
type
mail # user (91)
issue (3)
date
last 7 days (1)
last 30 days (1)
last 90 days (1)
last 6 months (2)
last 9 months (94)
author
Harsh J (554)
Owen O'Malley (394)
Steve Loughran (382)
Todd Lipcon (238)
Eli Collins (182)
Alejandro Abdelnur (164)
Arun C Murthy (162)
Chris Nauroth (143)
Allen Wittenauer (128)
Tom White (120)
Ted Yu (119)
Nigel Daley (115)
Daryn Sharp (110)
Konstantin Shvachko (107)
Doug Cutting (96)
Aaron Kimball (94)
Edward Capriolo (87)
Colin Patrick McCabe (86)
Mark Kerzner (86)
jason hadoop (82)
Hairong Kuang (74)
Konstantin Boudnik (72)
Runping Qi (72)
Benoy Antony (69)
Suresh Srinivas (64)
Joey Echeverria