Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 51 to 60 from 129 (0.109s).
Loading phrases to help you
refine your search...
Re: A question about Hadoop 1 job user id used for group mapping, which could lead to performance degradatioin - Hadoop - [mail # user]
...It just seems like lazy code. You can see that, later, there is this:  {code}          for(Token token : UserGroupInformation.getCurrentUser().getTokens()) { &n...
   Author: Vinod Kumar Vavilapalli, 2014-01-08, 18:11
Re: Understanding MapReduce source code : Flush operations - Hadoop - [mail # user]
...Assuming your output is going to HDFS, you want to look at DFSClient.  Reducer uses FileSystem to write the output. You need to start looking at how DFSClient chunks the output and send...
   Author: Vinod Kumar Vavilapalli, 2014-01-06, 19:11
Re: issue about no class find in running MR job - Hadoop - [mail # user]
...That is not the correct usage. You should do "hadoop jar  ". Or if you are adventurous, directly invoke your class using java and setting appropriate classpath.  Thanks, +Vinod &nb...
   Author: Vinod Kumar Vavilapalli, 2013-12-13, 18:27
Re: how to create symbolic link in hdfs with c++ code or webhdfs interface? - Hadoop - [mail # user]
...What version of Hadoop?  Thanks, +Vinod  On Dec 13, 2013, at 1:57 AM, Xiaobin She  wrote:    CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of t...
   Author: Vinod Kumar Vavilapalli, 2013-12-13, 18:25
Re: pipes on hadoop 2.2.0 crashes - Hadoop - [mail # user]
...Could it just be LocalJobRunner? Can you try it on a cluster? We've tested pipes on clusters, so will be surprised if it doesn't work there.  Thanks, +Vinod  On Dec 13, 2013, at 7:...
   Author: Vinod Kumar Vavilapalli, 2013-12-13, 18:22
Re: Yarn -- one of the daemons getting killed - Hadoop - [mail # user]
...Yes, that is what I suspect. That is why I asked if everything is on a single node. If you are running linux, linux OOM killer may be shooting things down. When it happens, you will see some...
   Author: Vinod Kumar Vavilapalli, 2013-12-13, 18:21
Re: Container [pid=22885,containerID=container_1386156666044_0001_01_000013] is running beyond physical memory limits. Current usage: 1.0 GB of 1 GB physical memory used; 332.5 GB of 8 GB virtual memory used. Killing container. - Hadoop - [mail # user]
...Something looks really bad on your cluster. The JVM's heap size is 200MB but its virtual memory has ballooned to a monstrous 332GB. Does that ring any bell? Can you run regular java applicat...
   Author: Vinod Kumar Vavilapalli, 2013-12-06, 03:32
Re: Error while running Hadoop Source Code - Hadoop - [mail # user]
...It seems like your pipes mapper is exiting before consuming all the input. Did you check the task-logs on the web UI?  Thanks, +Vinod  On Nov 5, 2013, at 7:25 AM, Basu,Indrashish w...
   Author: Vinod Kumar Vavilapalli, 2013-11-05, 18:09
Re: [DISCUSS] What is the purpose of merge vote threads? - Hadoop - [mail # dev]
...It seems that overall the branch-merge voting threads are overloaded with multiple goals.  Like other things that we vote on, a DISCUSS/PROPOSAL thread upfront for the branch-merge shou...
   Author: Vinod Kumar Vavilapalli, 2013-10-25, 17:56
Re: assign tasks to specific nodes - Hadoop - [mail # user]
...I assume you are talking about MapReduce. And 1.x release or 2.x?  In either of the releases, this cannot be done directly.  In 1.x, the framework doesn't expose a feature like thi...
   Author: Vinod Kumar Vavilapalli, 2013-09-11, 17:45
MapReduce (363)
YARN (136)
Hadoop (123)
Ambari (29)
HDFS (28)
Hive (17)
Tez (7)
Bigtop (1)
Chukwa (1)
HBase (1)
mail # user (59)
mail # dev (34)
mail # general (27)
issue (9)
last 7 days (1)
last 30 days (1)
last 90 days (3)
last 6 months (25)
last 9 months (129)
Harsh J (559)
Owen O'Malley (394)
Steve Loughran (389)
Todd Lipcon (238)
Eli Collins (182)
Alejandro Abdelnur (178)
Arun C Murthy (163)
Allen Wittenauer (148)
Chris Nauroth (146)
Ted Yu (126)
Tom White (121)
Daryn Sharp (115)
Nigel Daley (115)
Konstantin Shvachko (107)
Doug Cutting (96)
Aaron Kimball (94)
Colin Patrick McCabe (93)
Edward Capriolo (87)
Mark Kerzner (87)
jason hadoop (82)
Hairong Kuang (74)
Konstantin Boudnik (72)
Runping Qi (72)
Benoy Antony (70)
Suresh Srinivas (65)
Vinod Kumar Vavilapalli