Package org.apache.accumulo.core.spi.scan

Class IdleRatioScanPrioritizer

java.lang.Object

org.apache.accumulo.core.spi.scan.IdleRatioScanPrioritizer

All Implemented Interfaces:

ScanPrioritizer

public class IdleRatioScanPrioritizer
extends Object
implements ScanPrioritizer

Prioritize scans based on the ratio of runTime/idleTime. Scans with a lower ratio have a higher priority. When the ratio is equal, the scan with the oldest last run time has the highest priority. If neither have run, then the oldest gets priority.

Since:

2.0.0

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.accumulo.core.spi.scan.ScanPrioritizer

ScanPrioritizer.CreateParameters

Constructor Summary

Constructors

Constructor	Description
IdleRatioScanPrioritizer()

Method Summary

Modifier and Type	Method	Description
Comparator<ScanInfo>	createComparator(ScanPrioritizer.CreateParameters params)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

IdleRatioScanPrioritizer

public IdleRatioScanPrioritizer()

Method Details

createComparator

public Comparator<ScanInfo> createComparator(ScanPrioritizer.CreateParameters params)

Specified by:

createComparator in interface ScanPrioritizer