/**
* Initialize GiraphMetrics with Hadoop Context
*
* @param conf GiraphConfiguration to use.
*/
private GiraphMetrics(GiraphConfiguration conf) {
perJobOptional = GiraphMetricsRegistry.create(conf, "giraph", "job");
perSuperstep = SuperstepMetricsRegistry.create(conf, INPUT_SUPERSTEP);
perJobRequired = GiraphMetricsRegistry.createWithOptional("giraph", "job");
}
/** Stop using metrics (for cleanup) */
public void shutdown() {
perJobOptional.shutdown();
perJobRequired.shutdown();
perSuperstep.shutdown();
}
/** Initialize no-op registry that creates no-op metrics. */
private GiraphMetrics() {
perJobOptional = GiraphMetricsRegistry.createFake();
perSuperstep = SuperstepMetricsRegistry.createFake();
perJobRequired = GiraphMetricsRegistry.createWithOptional("giraph", "job");
}
/**
* Dump all metrics to output stream provided.
*
* @param out PrintStream to dump to.
*/
public void dumpToStream(PrintStream out) {
perJobOptional.printToStream(out);
perJobRequired.printToStream(out);
}