Package org.apache.hadoop.hbase.regionserver

Interface HeapMemoryTuner

All Superinterfaces:

org.apache.hadoop.conf.Configurable

All Known Implementing Classes:

DefaultHeapMemoryTuner

@Private
@Evolving
public interface HeapMemoryTuner
extends org.apache.hadoop.conf.Configurable

Makes the decision regarding proper sizing of the heap memory. Decides what percentage of heap memory should be allocated for global memstore and BlockCache.

Method Summary

Modifier and Type	Method	Description
HeapMemoryManager.TunerResult	tune(HeapMemoryManager.TunerContext context)	Perform the heap memory tuning operation.

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Method Details

tune

HeapMemoryManager.TunerResult tune(HeapMemoryManager.TunerContext context)

Perform the heap memory tuning operation.

Returns:

TunerResult including the heap percentage for memstore and block cache