org.apache.hadoop.hbase.regionserver

Interface FlushRequester

All Known Implementing Classes:

MemStoreFlusher

@InterfaceAudience.Private
public interface FlushRequester

Request a flush.

Method Summary

Modifier and Type	Method and Description
void	registerFlushRequestListener(FlushRequestListener listener) Register a FlushRequestListener
void	requestDelayedFlush(HRegion region, long delay, boolean forceFlushAllStores) Tell the listener the cache needs to be flushed after a delay
void	requestFlush(HRegion region, boolean forceFlushAllStores, FlushLifeCycleTracker tracker) Tell the listener the cache needs to be flushed.
void	setGlobalMemStoreLimit(long globalMemStoreSize) Sets the global memstore limit to a new size.
boolean	unregisterFlushRequestListener(FlushRequestListener listener) Unregister the given FlushRequestListener

Method Detail

requestFlush

void requestFlush(HRegion region,
                  boolean forceFlushAllStores,
                  FlushLifeCycleTracker tracker)

Tell the listener the cache needs to be flushed.

Parameters:

region - the Region requesting the cache flush

forceFlushAllStores - whether we want to flush all stores. e.g., when request from log rolling.

requestDelayedFlush

void requestDelayedFlush(HRegion region,
                         long delay,
                         boolean forceFlushAllStores)

Tell the listener the cache needs to be flushed after a delay

Parameters:

region - the Region requesting the cache flush

delay - after how much time should the flush happen

forceFlushAllStores - whether we want to flush all stores. e.g., when request from log rolling.

registerFlushRequestListener

void registerFlushRequestListener(FlushRequestListener listener)

Register a FlushRequestListener

Parameters:

listener -

unregisterFlushRequestListener

boolean unregisterFlushRequestListener(FlushRequestListener listener)

Unregister the given FlushRequestListener

Parameters:

listener -

Returns:

true when passed listener is unregistered successfully.

setGlobalMemStoreLimit

void setGlobalMemStoreLimit(long globalMemStoreSize)

Sets the global memstore limit to a new size.

Parameters:

globalMemStoreSize -