Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 31 to 40 from 156 (0.072s).
Loading phrases to help you
refine your search...
Re: Merge Reducers Output - Hadoop - [mail # user]
...Sorry, but the OP was saying he had map/reduce job where the job had  multiple reducers where he wanted to then combine the output to a single  file.  While you could merge th...
[+ more]    Author: Michael Segel, 2012-07-31, 20:44
Re: Counting records - Hadoop - [mail # user]
...If the task fails the counter for that task is not used.   So if you have speculative execution turned on and the JT kills a task,  it won't affect your end results.    A...
[+ more]    Author: Michael Segel, 2012-07-23, 23:06
Re: Concurrency control - Hadoop - [mail # user]
...It goes beyond the atomic writes...  There isn't the concept of transactions in HBase.   He could also be talking about Hive, which would be appropriate for this  mailing list...
   Author: Michael Segel, 2012-07-18, 19:40
Re: Hive/Hdfs Connector - Hadoop - [mail # user]
...Have you tried using Hive's thrift server?   On Jul 5, 2012, at 10:20 AM, Sandeep Reddy P wrote:  ...
   Author: Michael Segel, 2012-07-05, 15:26
Re: Multiple cores vs multiple nodes - Hadoop - [mail # user]
...Hi, First, you have to explain what you mean by 'equivalent' .   The short answer is that it depends. The longer answer is that you have to consider cost in your design.   The whol...
   Author: Michael Segel, 2012-07-02, 12:08
Re: Hive error when loading csv data. - Hadoop - [mail # user]
...Alternatively you could write a simple script to convert the csv to a  pipe delimited file so that "abc,def" will be abc,def.  On Jun 26, 2012, at 2:51 PM, Harsh J wrote:  som...
   Author: Michael Segel, 2012-06-26, 20:00
Re: Can I remove a folder on HDFS when decommissioning a data node? - Hadoop - [mail # user]
...Well, there you go... care to open a Jira for it?  It would be very helpful... The OP's question presents a very good use  case.   Thx  -Mike  On Jun 26, 2012, at 10...
[+ more]    Author: Michael Segel, 2012-06-26, 15:35
Re: oozie workflow file for teragen and terasort - Hadoop - [mail # user]
...There's a series of articles on Oozie by Boris Lublinsky over on InfoQ.  http://www.infoq.com/articles/introductionOozie  On Jun 23, 2012, at 7:42 PM, Hadoop James wrote:  ...
   Author: Michael Segel, 2012-06-24, 14:49
Re: Split brain - is it possible in hadoop? - Hadoop - [mail # user]
...In your example, you only have one active Name Node. So how would you  encounter a 'split brain' scenario?  Maybe it would be better if you defined what you mean by a split brain? ...
   Author: Michael Segel, 2012-06-19, 12:47
Re: Hardware specs calculation for io - Hadoop - [mail # user]
...You will want something in between...  8 cores means 8 spindles.   16 cores means 16 spindles.   You may want to up the memory, especially if you're running or thinking  ...
   Author: Michael Segel, 2012-06-13, 18:52
HBase (344)
Hadoop (153)
MapReduce (51)
HDFS (24)
mail # user (137)
mail # general (19)
last 7 days (0)
last 30 days (0)
last 90 days (2)
last 6 months (2)
last 9 months (156)
Harsh J (554)
Owen O'Malley (394)
Steve Loughran (382)
Todd Lipcon (238)
Eli Collins (182)
Alejandro Abdelnur (163)
Arun C Murthy (162)
Chris Nauroth (142)
Allen Wittenauer (128)
Tom White (119)
Ted Yu (118)
Nigel Daley (115)
Daryn Sharp (110)
Konstantin Shvachko (107)
Doug Cutting (95)
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)
Michael Segel