Hello.
I need to create a custom input split. I need to split my input in to 50
line for one input split. How can i do it.
And also there is an another problem for me. I have a file. But it is not in
the form of text. It contain structure. I need to give one structure in to
my map function as valu
I did as you said. I built a small hadoop cluster. It consists of three
nodes. One is master, two slaves.
The master node is name node and jobtracker.
The other two nodes are data nodes and tasktracker. Different nodes installs
hadoop on different paths.
I run map/reduce program. The program can w
Simplest answer:
Job A uses o.a.h.mapreduce.lib.output.SequenceFileOutputFormat
It writes values to that (using context.write()) of classes KT, VT
Use o.a.h.mapreduce.lib.output.FileOutputFormat.setOutputPath(job, new
Path("job-a-out")); to configure the job to write to some location.
Then run jo
Hi,
I m getting FileNotFound Exception while using distribute cache. here is the
details.
Configuration config = new Configuration();
config.clear();
config.set("hbase.zookeeper.quorum", HBASE_ZOOKEEPER_QUORUM);
config.set("hbase.zookeeper.property.clientPort",
HBASE_ZOOKEEPER_PROPERTY_CLIENTPORT)
Hi guys,
I am trying to run Hadoop0.21.0 with PVFS2. Following the email thread
http://www.mail-archive.com/core-user@hadoop.apache.org/msg04434.html, I
managed to make my Hadoop cluster up and run wordcount example successfully.
Then I plan to perform some test for Terasort example. The data g
Hi,
I am a newbie to the mapreduce (in fact hadoop as a whole) framework. I am
trying to run a simple WordCount client class programatically inside the
eclipse, hence for that, I have provided the configuration files for hdfs,
mapreduce and core using the JobConf.addResource method respectively. He