org.apache.cassandra.utils.memory

Class MemtableCleanerThread<P extends MemtablePool>

java.lang.Object

org.apache.cassandra.concurrent.InfiniteLoopExecutor

org.apache.cassandra.utils.memory.MemtableCleanerThread<P>

public class MemtableCleanerThread<P extends MemtablePool>
extends InfiniteLoopExecutor

A thread that reclaims memory from a MemtablePool on demand. The actual reclaiming work is delegated to the cleaner Runnable, e.g., FlushLargestColumnFamily

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MemtableCleanerThread.Clean<P extends MemtablePool>

Nested classes/interfaces inherited from class org.apache.cassandra.concurrent.InfiniteLoopExecutor

InfiniteLoopExecutor.InterruptibleRunnable

Constructor Summary

Constructors

Constructor and Description
MemtableCleanerThread(P pool, MemtableCleaner cleaner)

Method Summary

Modifier and Type	Method and Description
int	numPendingTasks() Return the number of pending tasks
void	trigger()

Methods inherited from class org.apache.cassandra.concurrent.InfiniteLoopExecutor

awaitTermination, isAlive, shutdownNow, start

Methods inherited from class java.lang.Object

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

Constructor Detail

MemtableCleanerThread

public MemtableCleanerThread(P pool,
                             MemtableCleaner cleaner)

Method Detail

trigger

public void trigger()

numPendingTasks

public int numPendingTasks()

Return the number of pending tasks