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fileIOSamplingPercentage = conf.getInt(DFSConfigKeys.DFS_DATANODE_FILEIO_PROFILING_SAMPLING_PERCENTAGE_KEY,DFSConfigKeys.DFS_DATANODE_FILEIO_PROFILING_SAMPLING_PERCENTAGE_DEFAULT)	fileIOSamplingFraction = conf.getDouble(DFSConfigKeys.DFS_DATANODE_FILEIO_PROFILING_SAMPLING_FRACTION_KEY,DFSConfigKeys.DFS_DATANODE_FILEIO_PROFILING_SAMPLING_FRACTION_DEFAULT)	conf.getInt(DFSConfigKeys.DFS_DATANODE_FILEIO_PROFILING_SAMPLING_PERCENTAGE_KEY,DFSConfigKeys.DFS_DATANODE_FILEIO_PROFILING_SAMPLING_PERCENTAGE_DEFAULT)	conf.getDouble(DFSConfigKeys.DFS_DATANODE_FILEIO_PROFILING_SAMPLING_FRACTION_KEY,DFSConfigKeys.DFS_DATANODE_FILEIO_PROFILING_SAMPLING_FRACTION_DEFAULT)	hadoop	30cd265134ba60ddf9e105ddfd395830b770a692	org.apache.hadoop.hdfs.server.datanode.ProfilingFileIoEvents	_1 47 _2 47	_1 fileIOSamplingPercentage _2 fileIOSamplingFraction	v0 conf		v0 conf	AssignedTo	True