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R3704/2.3.0/hadoop-2.3.0-src/hadoop-common-project/hadoop-common/src/main/conf/hadoop-metrics2.properties
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hadoop-metrics2.properties
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# syntax: [prefix].[source|sink].[instance].[options]
# See javadoc of package-info.java for org.apache.hadoop.metrics2 for details
*.sink.file.class=org.apache.hadoop.metrics2.sink.FileSink
# default sampling period, in seconds
*.period=10
# The namenode-metrics.out will contain metrics from all context
#namenode.sink.file.filename=namenode-metrics.out
# Specifying a special sampling period for namenode:
#namenode.sink.*.period=8
#datanode.sink.file.filename=datanode-metrics.out
# the following example split metrics of different
# context to different sinks (in this case files)
#jobtracker.sink.file_jvm.context=jvm
#jobtracker.sink.file_jvm.filename=jobtracker-jvm-metrics.out
#jobtracker.sink.file_mapred.context=mapred
#jobtracker.sink.file_mapred.filename=jobtracker-mapred-metrics.out
#tasktracker.sink.file.filename=tasktracker-metrics.out
#maptask.sink.file.filename=maptask-metrics.out
#reducetask.sink.file.filename=reducetask-metrics.out
#
# Below are for sending metrics to Ganglia
#
# for Ganglia 3.0 support
# *.sink.ganglia.class=org.apache.hadoop.metrics2.sink.ganglia.GangliaSink30
#
# for Ganglia 3.1 support
# *.sink.ganglia.class=org.apache.hadoop.metrics2.sink.ganglia.GangliaSink31
# *.sink.ganglia.period=10
# default for supportsparse is false
# *.sink.ganglia.supportsparse=true
#*.sink.ganglia.slope=jvm.metrics.gcCount=zero,jvm.metrics.memHeapUsedM=both
#*.sink.ganglia.dmax=jvm.metrics.threadsBlocked=70,jvm.metrics.memHeapUsedM=40
# Tag values to use for the ganglia prefix. If not defined no tags are used.
# If '*' all tags are used. If specifiying multiple tags separate them with
# commas. Note that the last segment of the property name is the context name.
#
#*.sink.ganglia.tagsForPrefix.jvm=ProcesName
#*.sink.ganglia.tagsForPrefix.dfs=
#*.sink.ganglia.tagsForPrefix.rpc=
#*.sink.ganglia.tagsForPrefix.mapred=
#namenode.sink.ganglia.servers=yourgangliahost_1:8649,yourgangliahost_2:8649
#datanode.sink.ganglia.servers=yourgangliahost_1:8649,yourgangliahost_2:8649
#jobtracker.sink.ganglia.servers=yourgangliahost_1:8649,yourgangliahost_2:8649
#tasktracker.sink.ganglia.servers=yourgangliahost_1:8649,yourgangliahost_2:8649
#maptask.sink.ganglia.servers=yourgangliahost_1:8649,yourgangliahost_2:8649
#reducetask.sink.ganglia.servers=yourgangliahost_1:8649,yourgangliahost_2:8649
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