org.apache.hadoop.hbase.procedure2

Interface ProcedureMetrics

@InterfaceAudience.Private
public interface ProcedureMetrics

With this interface, the procedure framework provides means to collect following set of metrics per procedure type for all procedures:

• Count of submitted procedure instances
• Time histogram for successfully completed procedure instances
• Count of failed procedure instances

Please implement this interface to return appropriate metrics.

Method Summary

Modifier and Type	Method and Description
Counter	getFailedCounter()
Counter	getSubmittedCounter()
Histogram	getTimeHisto()

Method Detail

getSubmittedCounter

Counter getSubmittedCounter()

Returns:

Total number of instances submitted for a type of a procedure

getTimeHisto

Histogram getTimeHisto()

Returns:

Histogram of runtimes for all successfully completed instances of a type of a procedure

getFailedCounter

Counter getFailedCounter()

Returns:

Total number of instances failed for a type of a procedure