Hej,
I am configuring Nutch for just crawling webs in several machines (currently
I want to test with only one).
Building Nutch with ant was successfully
bin/hadoop namenode -format
bin/start-all.sh
They show correct logs
bin/hadoop dfs -put urls urls
bin/hadoop dfs -ls
They show the urls directory correctly
But when I launch it the fetcher starts but does not show any message of
parsing and it stops in the second depth. The crawl-urlfilter and
nutch-default are well configured because they work great using local
filesystem (instead of hdfs). I guess it is because nutch-site is empty.
What should be its content?
core-site.xml:
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>fs.default.name</name>
<value>hdfs://localhost:9000/</value>
<description>
The name of the default file system. Either the literal string
"local" or a host:port for NDFS.
</description>
</property>
</configuration>
---------------------------------------
hdfs-site.xml:
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>dfs.name.dir</name>
<value>/root/filesystem/name</value>
</property>
<property>
<name>dfs.data.dir</name>
<value>/root/filesystem/data</value>
</property>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
</configuration>
---------------------------------------
mapred-site.xml:
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>mapred.job.tracker</name>
<value>hdfs://localhost:9001/</value>
<description>
The host and port that the MapReduce job tracker runs at. If
"local", then jobs are run in-process as a single map and
reduce task.
</description>
</property>
<property>
<name>mapred.map.tasks</name>
<value>2</value>
<description>
define mapred.map tasks to be number of slave hosts
</description>
</property>
<property>
<name>mapred.reduce.tasks</name>
<value>2</value>
<description>
define mapred.reduce tasks to be number of slave hosts
</description>
</property>
<property>
<name>mapred.system.dir</name>
<value>/root/filesystem/mapreduce/system</value>
</property>
<property>
<name>mapred.local.dir</name>
<value>/root/filesystem/mapreduce/local</value>
</property>
</configuration>
--
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