hadoop/conf/hadoop-metrics.properties

# Configuration of the "dfs" context for null
dfs.class=org.apache.hadoop.metrics.spi.NullContext

# Configuration of the "mapred" context for null
mapred.class=org.apache.hadoop.metrics.spi.NullContext

# Configuration of the "dfs" context for file
#dfs.class=org.apache.hadoop.metrics.file.FileContext
#dfs.period=10
#dfs.fileName=/tmp/dfsmetrics.log

# Configuration of the "mapred" context for file
#mapred.class=org.apache.hadoop.metrics.file.FileContext
#mapred.period=10
#mapred.fileName=/tmp/mrmetrics.log

# Configuration of the "dfs" context for ganglia
# dfs.class=org.apache.hadoop.metrics.ganglia.GangliaContext
# dfs.period=10
# dfs.servers=localhost:8649

# Configuration of the "mapred" context for ganglia
# mapred.class=org.apache.hadoop.metrics.ganglia.GangliaContext
# mapred.period=10
# mapred.servers=localhost:8649