Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 111 to 120 from 141 (0.129s).
Loading phrases to help you
refine your search...
Re: How to debug ReduceTask? - MapReduce - [mail # user]
...Have you tried http://www.karmasphere.com/ ?  On Sat, Aug 28, 2010 at 6:24 PM, Pedro Costa  wrote:  ...
   Author: Ted Yu, 2010-08-29, 03:40
Obtaining active TaskTrackers - MapReduce - [mail # dev]
...Hi, How can I obtain the list of active TaskTrackers programmatically ? I looked at machines.jsp which uses a reference to JobTracker  How do I obtain JobTracker reference from client ?...
   Author: Ted Yu, 2010-08-23, 16:02
[expand - 1 more] - Re: Null mapper? - MapReduce - [mail # user]
...You're right. You need to specify a mapper.  On Mon, Aug 16, 2010 at 3:21 PM, David Rosenstrauch wrote:  ...
   Author: Ted Yu, 2010-08-16, 22:23
[expand - 1 more] - Re: How to work around MAPREDUCE-1700 - MapReduce - [mail # user]
...Hopefully Cloudera will make a build for your needs. Before that happens, you can produce your own installation.  We do this to produce HBase 0.20.6 + HBASE-2473  Cheers  On T...
   Author: Ted Yu, 2010-08-12, 23:33
[expand - 1 more] - Re: MAPREDUCE-1888 - MapReduce - [mail # dev]
...Thanks for your response. We use cdh3b2 which contains HADOOP-1722  On Thu, Aug 5, 2010 at 9:33 PM, Amareshwari Sri Ramadasu  wrote:  ...
   Author: Ted Yu, 2010-08-09, 03:14
Re: [jira] Created: (MAPREDUCE-1973) Optimize input split creation - MapReduce - [mail # dev]
...I applied the patch on cdh3b2. ant test gave me:    [junit] Running org.apache.hadoop.mrunit.types.TestPair     [junit] Tests run: 20, Failures: 0, Errors: 0, Time elapse...
   Author: Ted Yu, 2010-07-28, 23:05
Re: block errors - MapReduce - [mail # user]
...Check the datanode log on 10.15.46.73   You should increase dfs.datanode.max.xcievers  On Tue, Jul 13, 2010 at 3:57 AM, Some Body  wrote:  ...
   Author: Ted Yu, 2010-07-24, 13:51
[MAPREDUCE-1956] allow reducer to initialize lazily - MapReduce - [issue]
...From http://www.scribd.com/doc/23046928/Hadoop-Performance-Tuning:"In M/R job Reducers are initialized with Mappers at the job initialization, but the reduce method is called in reduce phase...
http://issues.apache.org/jira/browse/MAPREDUCE-1956    Author: Ted Yu, 2010-07-21, 22:24
Re: INFO: Task Id : attempt_201007191410_0002_m_000000_0, Status : FAILED - MapReduce - [mail # user]
...What hadoop version are you using ?  I guess you haven't specified io.serializations in your hadoop conf Then by default your class should implement org.apache.hadoop.io.Writable  ...
   Author: Ted Yu, 2010-07-21, 00:03
[expand - 1 more] - Re: Error: java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.get - MapReduce - [mail # user]
...Have you looked at https://issues.apache.org/jira/browse/MAPREDUCE-969 ? It points to https://issues.apache.org/jira/browse/HADOOP-4744  See if HADOOP-4744 is contained in the hadoop ve...
   Author: Ted Yu, 2010-07-18, 22:10
Sort:
project
HBase (2737)
Hadoop (288)
MapReduce (137)
HDFS (96)
Hive (59)
Accumulo (40)
YARN (40)
Zookeeper (31)
Spark (22)
Drill (2)
Avro (1)
type
mail # user (79)
mail # dev (34)
issue (28)
date
last 7 days (1)
last 30 days (8)
last 90 days (9)
last 6 months (15)
last 9 months (141)
author
Harsh J (454)
Arun C Murthy (326)
Vinod Kumar Vavilapalli (309)
Todd Lipcon (215)
Amar Kamat (181)
Thomas Graves (165)
Jason Lowe (159)
Amareshwari Sriramadasu (152)
Sandy Ryza (124)
Tom White (111)
Siddharth Seth (109)
Aaron Kimball (107)
Owen O'Malley (105)
Devaraj K (103)
Ramya Sunil (103)
Alejandro Abdelnur (102)
Robert Joseph Evans (101)
Hemanth Yamijala (97)
Steve Loughran (90)
Ted Yu (78)
Eli Collins (77)
Ravi Gummadi (76)
Karthik Kambatla (70)
Mahadev konar (67)
Ravi Prakash (66)