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The "HADOOP-6728-MetricsV2" page has been changed by LukeLu. The comment on this change is: Update doc to reflect patches committed to trunk. http://wiki.apache.org/hadoop/HADOOP-6728-MetricsV2?action=diff&rev1=3&rev2=4 -------------------------------------------------- ''This page keeps the design notes for [[https://issues.apache.org/jira/browse/HADOOP-6728|HADOOP-6728]] only. Current dev/user documentation for metrics system should be kept elsewhere (say, package.html and/or package-info.java in respective packages).'' + + <<TableOfContents(3)>> == Scope == @@ -128, +130 @@ DefaultMetricsSystem.initialize("JobTracker"); // Create the metrics source object - MyMetrics myMetrics = new MyMetrics().registerWith(DefaultMetricsSystem.INSTANCE); + MyMetrics myMetrics = new MyMetrics().registerWith(DefaultMetricsSystem.instance()); // Update the metrics myMetrics.foo.set(someValue); @@ -180, +182 @@ for (MetricTag tag : rec.tags()) echoTag(tag.getName(), tag.getValue()); - for (Metric metric : rec.metrics()) + for (AbstractMetric metric : rec.metrics()) metric.visit(this); }
