Hadoop 安装 教程
mapred.job.trackermyna6:54321
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.
mapred.compress.map.output
true
Should the outputs of the maps be compressed before being
sent across the network. Uses SequenceFile compression.
mapred.child.java.opts
-Xmx1024m
mapred.tasktracker.map.tasks.maximum
4
mapred.tasktracker.reduce.tasks.maximum
2
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