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Jingyu Ru


Active since 2015

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After using the datastore function, how to change the value in the 'csv' ?
I find it is useful to read the 'csv' file with the datastore function. Especially for the big data. After analysis the data,...

9 years ago | 1 answer | 0

1

answer

Question


How to solve ' All the input files must be Sequence files. Invalid file: '' '
Hadoop version 1.2.1 Matlab version 2015a Linux ubuntu 14. I install Hadoop with a small cluster(one master and one slave)...

9 years ago | 1 answer | 0

1

answer

Question


Have something wrong with 'Run mapreduce on a Hadoop Cluster'
Hadoop version 1.2.1 Matlab version 2015a Linux ubuntu 14. I install Hadoop with a small cluster(one master and one slave)...

9 years ago | 0 answers | 0

0

answers

Question


If I want to calculate the data in Hadoop cluster through Matlab, should I install the Matlab on every node?
If I want to calculate the data in Hadoop cluster through Matlab, should I install the Matlab on every node? Or just intall the...

9 years ago | 0 answers | 0

0

answers

Question


How to solve "The HADOOP job failed to complete. Check the HADOOP log files for job 1 for more information."
Hadoop version 1.2.1 Matlab version 2015a Linux ubuntu 14. At first, I try to run them at a cluster (one master and two sl...

9 years ago | 0 answers | 0

0

answers

Question


How to solve" The user home directory '/homes/' for the cluster either did not exist or was not writable by the HADOOP user."
Hadoop version 1.2.1 Matlab version 2015a Linux ubuntu 14. I install Hadoop for a pseudo-distributed configuration (all...

9 years ago | 1 answer | 1

1

answer

Question


How to run the example 'Run mapreduce on a Hadoop Cluster'?
Hadoop version 1.2.1 Matlab version 2015a Linux ubuntu 14. I install Hadoop for a pseudo-distributed configuration (all o...

9 years ago | 2 answers | 0

2

answers