| clear query|facets|time |
Search criteria: .
Results from 51 to 60 from
88 (0.129s).
|
|
|
Loading phrases to help you
refine your search...
|
|
incompatible cluster ID - SOLUTION - MapReduce - [mail # user]
|
|
...Hello, Whenever you are getting below error, trying to start a DN on a slave machine: java.io.IOException: Incompatible clusterIDs in /home/hadoop/dfs/data: namenode clusterID = ...
|
|
|
Author: Kartashov, Andy,
2012-11-06, 14:36
|
|
|
RE: Error: org.apache.hadoop.mapreduce.task.reduce.Shuffle$ShuffleError Java Heap Space - MapReduce - [mail # user]
|
|
...Your error takes place during reduce task, when temporary files are written to memory/disk. You are clearly running low on resources. Check your memory "$ free -m" and disk space "$ df -H" a...
|
|
|
Author: Kartashov, Andy,
2012-11-05, 15:43
|
|
|
Hadoop - cluster set-up (for DUMMIES)... or how I did it - MapReduce - [mail # user]
|
|
...Hello Hadoopers, After weeks of struggle, numerous error debugging and the like I finally managed to set-up a fully distributed cluster. I decided to share my experience with the new c...
|
|
|
Author: Kartashov, Andy,
2012-11-02, 16:35
|
|
|
RE: jobtracker page @50030 timeout or take very long time. - MapReduce - [mail # user]
|
|
...... another thought... do you happened to have some ungracefully terminated jobs still running in the background.. Try "hadoop job -list" Sometimes, when I hardstop a job a...
|
|
|
Author: Kartashov, Andy,
2012-11-02, 14:02
|
|
|
RE: Map Reduce slot - MapReduce - [mail # user]
|
|
...I checked my MR admin page running on :50030:jobtracker.jsp this is what I am learning. I run 2-core processor, so the admin page told me that my max map/reduce slot capacity wa...
|
|
|
Author: Kartashov, Andy,
2012-11-01, 20:22
|
|
|
RE: cluster set-up / a few quick questions - SOLVED - MapReduce - [mail # user]
|
|
...People, While I did not find start-balancer.sh script on my machine I successfully utilized the following command: "$hadoop balancer -threshold 10" and achieved the e...
|
|
|
Author: Kartashov, Andy,
2012-11-01, 19:11
|
|
|
property mapred.tasktracker.map.tasks.maximum - MapReduce - [mail # user]
|
|
...Guys, Do you set the above property once on the master NN in in mapred-site.xml or on each DN/TTs. Similarly, what about property: mapred.child.java.opts. Once on NN ...
|
|
|
Author: Kartashov, Andy,
2012-10-31, 21:05
|
|
|
RE: error in versions - MapReduce - [mail # user]
|
|
...Yulia, I just ran "hadoop version" on my NN, separate SNN, and three separate DNs and all point to the exact the same build version. I know that you must install the exact same v...
|
|
|
Author: Kartashov, Andy,
2012-10-31, 20:01
|
|
|
one node in a cluster throws FileNotFoundException: - MapReduce - [mail # user]
|
|
...Hadoopers, Has anyone ever experienced this Error? Ignoring the truncation of logs of this process. java.io.FileNotFoundException: /var/log/hadoop-0.20-mapreduce/userlogs/job_201...
|
|
|
Author: Kartashov, Andy,
2012-10-30, 18:07
|
|
|
RE: cluster set-up / a few quick questions - SOLVED - MapReduce - [mail # user]
|
|
...Hadoopers, The problem was in EC2 security. While I could passwordlessly ssh into ano ther node and back I could not telnet to it due to EC2 firewall. Needed to open ...
|
|
|
Author: Kartashov, Andy,
2012-10-26, 19:55
|
|
|
|
