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Apache Hadoop Common

There is a newer version: 3.2.1






Implementation of the metrics package that writes the metrics to a file.
Programmers should not normally need to use this package directly. Instead
they should use org.hadoop.metrics.


These are the implementation specific factory attributes 
(See ContextFactory.getFactory()):


    contextName.fileName
    The path of the file to which metrics in context contextName
    are to be appended.  If this attribute is not specified, the metrics
    are written to standard output by default.
    
    contextName.period
    The period in seconds on which the metric data is written to the
    file.