Home | About | Sematext search-lucene.com search-hadoop.com
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB
clear query|facets|time Search criteria: .   Results from 1 to 10 from 17 (0.266s).
Loading phrases to help you
refine your search...
Re: mapred.tasktacker.reduce.tasks.maximum issue - MapReduce - [mail # user]
...may be it is not reading the right configuration file.  if possible,make a malformed file,then restart tasktracker where it must fail to do so.   On Thu, Nov 14, 2013 at 11:53 PM, ...
   Author: Zizon Qiu, 2013-11-15, 01:57
Re: Submitting mapreduce and nothing happens - MapReduce - [mail # user]
...try use job.waitFromComplete(true) instead of job.submit(). it should show more details.   On Mon, Apr 15, 2013 at 6:06 PM, Amit Sela  wrote:  ...
   Author: Zizon Qiu, 2013-04-17, 03:40
Re: Hadoop-1.1.1 namenode and datanode version mismatch - MapReduce - [mail # user]
...the version is not match,as the log indicated: namenode:1.1.1 datanode:1.1.2-SNAPSHOT  hadoop.relaxed.worker.version.check only works when version match(relax just revision check). &nbs...
   Author: Zizon Qiu, 2012-12-13, 06:53
Re: Can dynamic Classes be accessible to Mappers/Reducers? - MapReduce - [mail # user]
...when submiting a job,the ToolRunnuer or JobClient just distribute your jars to hdfs, so that tasktrackers can launch/"re-run" it.  In your case,you should have your dynamic class re-gen...
   Author: Zizon Qiu, 2012-11-13, 01:54
Re: jobtracker page @50030 timeout or take very long time. - MapReduce - [mail # user]
...What about the gc logs?  On Fri, Nov 2, 2012 at 11:16 AM, Harsh J  wrote:  ...
   Author: Zizon Qiu, 2012-11-02, 03:32
Re: [DISCUSS] - YARN as a sub-project of Apache Hadoop - Hadoop - [mail # general]
...why not naming MAPREDUCE to YARN ,as in hadoop 2.0 MR2 is a implementation of YARN?  On Fri, Jul 27, 2012 at 11:20 AM, Arun C Murthy  wrote:  ...
   Author: Zizon Qiu, 2012-07-27, 03:41
Re: reducer out of memory? - Hadoop - [mail # user]
...try setting a lower value for mapred.job.shuffle.input.buffer.percent . the reducer used it to decide whether use in-memory shuffle. the default value is 0.7,meaning 70% of the "memory" are ...
   Author: Zizon Qiu, 2012-05-10, 06:27
Re: hanging context.write() with large arrays - MapReduce - [mail # user]
...for the timeout problem,you can use a background thread that invoke context.progress() timely which do "keep-alive" for forked Child(mapper/combiner/reducer)... it is tricky but works.  ...
   Author: Zizon Qiu, 2012-05-05, 14:36
Re: Embedding Hive - Hive - [mail # user]
...I had try the followings, and it works..  SessionState session = new SessionState(conf);// the confi should have enough informations,such as the access to hive meta server database(the ...
   Author: Zizon Qiu, 2012-04-25, 05:52
[expand - 2 more] - Re: CompressionCodec in MapReduce - MapReduce - [mail # user]
...It is possible but a little tricky.  As I mention before,write a custom InputFormat and the associate RecordReader.  On Wed, Apr 11, 2012 at 5:23 PM, Grzegorz Gunia wrote:  ...
   Author: Zizon Qiu, 2012-04-11, 14:05
Sort:
project
MapReduce (9)
HDFS (3)
Hadoop (2)
Hive (2)
HBase (1)
type
mail # user (16)
mail # general (1)
date
last 7 days (0)
last 30 days (0)
last 90 days (0)
last 6 months (0)
last 9 months (17)
author
Ted Yu (1840)
Harsh J (1303)
Jun Rao (1016)
Todd Lipcon (998)
Stack (986)
Andrew Purtell (881)
Jonathan Ellis (854)
stack (764)
Jean-Daniel Cryans (752)
Jarek Jarcec Cecho (747)
Yusaku Sako (745)
Eric Newton (707)
Hitesh Shah (684)
Jonathan Hsieh (684)
Roman Shaposhnik (678)
Josh Elser (677)
Steve Loughran (651)
Namit Jain (648)
Siddharth Seth (644)
Brock Noland (635)
Owen O'Malley (623)
Hyunsik Choi (584)
Neha Narkhede (568)
Arun C Murthy (548)
Eli Collins (545)
Zizon Qiu
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB