Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 61 to 70 from 83 (0.06s).
Loading phrases to help you
refine your search...
The meaning of FileSystem in context of OutputFormat storage - Hadoop - [mail # user]
...I just saw this line in the javadocs for OutputFormat:  "Output files are stored in a FileSystem. "  Seems like an odd sentence.  What is the implication here -- is this imply...
   Author: Jay Vyas, 2012-04-25, 15:01
Re: understanding hadoop job submission - Hadoop - [mail # user]
...Yes, the job is submitted by the api calls in map reduce code  On Wed, Apr 25, 2012 at 3:56 AM, Devaraj k  wrote:     Jay Vyas MMSB/UCHC...
   Author: Jay Vyas, 2012-04-25, 09:41
Re: Determine the key of Map function - Hadoop - [mail # user]
...Ahh... Well than the key will be teacher, and the value will simply be   .  Then, you will see in the reducer that the first 3 entries will always be the ones you wanted.  On ...
   Author: Jay Vyas, 2012-04-24, 03:52
Re: hadoop.tmp.dir with multiple disks - Hadoop - [mail # user]
...I don't understand why multiple disks would be particularly beneficial for a Map/Reduce job..... would I/O for a map/reduce job be i/o *as well as CPU bound* ?   I would think that simp...
   Author: Jay Vyas, 2012-04-22, 14:02
Re: FPGrowth job got stuck when running fpGrowth.generateTopKFrequentPatterns - Hadoop - [mail # user]
...Do you have counters for the reducers , and if so , are they continuing to update ?  On Tue, Apr 10, 2012 at 8:45 AM, kayhan  wrote:     Jay Vyas MMSB/UCHC...
   Author: Jay Vyas, 2012-04-10, 15:28
Re: Structuring MapReduce Jobs - Hadoop - [mail # user]
...Hi : Well phrased question .... I think you will need to read up on reducers, and then you will see the light.  1) in your mapper, emit (date,tradeValue) objects.  2) Then hadoop w...
   Author: Jay Vyas, 2012-04-09, 16:52
Re: map task execution time - Hadoop - [mail # user]
...(excuse the typo in the last email : I meant "I've been playing with Cinch" , not "I've been with Cinch")....  On Thu, Apr 5, 2012 at 7:54 AM, Jay Vyas  wrote:     Jay Vy...
   Author: Jay Vyas, 2012-04-05, 13:02
cloudera vs apache hadoop migration stories ? - Hadoop - [mail # user]
...Seems like cloudera and standard apache-hadoop are really not cross compatible.  Things like MultipleInputs and stuff that we are finding don't work the same.  Any good (recent) wa...
   Author: Jay Vyas, 2012-04-04, 17:15
Re: org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException:' - Hadoop - [mail # user]
...Thanks J : just curious about how you came to hypothesize (1) (i.e. regarding the fact that threads and the API componentns arent thread safe in my hadoop version).  I think thats a rea...
   Author: Jay Vyas, 2012-04-02, 15:24
Re: namespace error after formatting namenode (psuedo distr mode). - Hadoop - [mail # user]
...Hi guys : I'm trying to reset my hadoop psuedo-distributed setup on my local machine. I have formatted the namenode.  There are two ways to do this  -  Option 1) synchronize t...
   Author: Jay Vyas, 2012-03-31, 12:30
Hadoop (78)
Bigtop (72)
MapReduce (53)
HDFS (25)
HBase (17)
Hive (10)
Pig (9)
Ambari (1)
Flume (1)
mail # user (79)
mail # dev (4)
last 7 days (2)
last 30 days (8)
last 90 days (21)
last 6 months (24)
last 9 months (83)
Harsh J (537)
Owen O'Malley (402)
Steve Loughran (357)
Todd Lipcon (233)
Eli Collins (181)
Arun C Murthy (156)
Chris Nauroth (129)
Alejandro Abdelnur (121)
Allen Wittenauer (115)
Nigel Daley (112)
Tom White (111)
Daryn Sharp (108)
Konstantin Shvachko (102)
Ted Yu (95)
Aaron Kimball (93)
Jay Vyas