Hadoop学习第0天——配置分布式(译)configuration property namedfs.support.append/name valuetr
Hadoop学习第0天——配置分布式(译)
<configuration> <property> <name>dfs.support.append</name> <value>true</value> </property> <property> <name>dfs.datanode.max.xcievers</name> <value>4096</value> </property> <property> <name>dfs.block.size</name> <value>134217728</value> </property> <property> <name>dfs.namenode.handler.count</name> <value>40</value> </property> </configuration>
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?conf/hdfs-site.xml
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? conf/hadoop-env.sh
这里只修改了JAVA_HOME项
conf/mapred-site.xml
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<configuration> <property> <name>mapred.reduce.parallel.copies</name> <value>20</value> </property> </configuration>
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Hadoop Startup?
TaskTracker?daemon on all the listed slaves.