Package org.apache.cassandra.batchlog

Class BatchlogManager

java.lang.Object

org.apache.cassandra.batchlog.BatchlogManager

All Implemented Interfaces:

BatchlogManagerMBean

public class BatchlogManager
extends Object
implements BatchlogManagerMBean

Field Summary

Fields

Modifier and Type	Field	Description
static final long	BATCHLOG_REPLAY_TIMEOUT
static final BatchlogManager	instance
static final String	MBEAN_NAME

Constructor Summary

Constructors

Constructor	Description
BatchlogManager()

Method Summary

Modifier and Type	Method	Description
int	countAllBatches()	Counts all batches currently in the batchlog.
void	forceBatchlogReplay()	Forces batchlog replay.
static long	getBatchlogTimeout()
long	getTotalBatchesReplayed()
static void	remove(TimeUUID id)
void	setRate(int throttleInKB)	Sets the rate for the current rate limiter.
void	shutdownAndWait(long timeout, TimeUnit unit)
void	start()
Future<?>	startBatchlogReplay()
static void	store(Batch batch)
static void	store(Batch batch, boolean durableWrites)

Methods inherited from class java.lang.Object

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

Field Details

MBEAN_NAME

public static final String MBEAN_NAME

See Also:

• Constant Field Values

instance

public static final BatchlogManager instance

BATCHLOG_REPLAY_TIMEOUT

public static final long BATCHLOG_REPLAY_TIMEOUT

Constructor Details

BatchlogManager

public BatchlogManager()

Method Details

start

public void start()

shutdownAndWait

public void shutdownAndWait(long timeout,
 TimeUnit unit)
                     throws InterruptedException,
TimeoutException

Throws:

InterruptedException

TimeoutException

remove

public static void remove(TimeUUID id)

store

public static void store(Batch batch)

store

public static void store(Batch batch,
 boolean durableWrites)

countAllBatches

public int countAllBatches()

Description copied from interface: BatchlogManagerMBean

Counts all batches currently in the batchlog.

Specified by:

countAllBatches in interface BatchlogManagerMBean

Returns:

total batch count

getTotalBatchesReplayed

public long getTotalBatchesReplayed()

Specified by:

getTotalBatchesReplayed in interface BatchlogManagerMBean

Returns:

total count of batches replayed since node start

forceBatchlogReplay

public void forceBatchlogReplay()
                         throws Exception

Description copied from interface: BatchlogManagerMBean

Forces batchlog replay. Blocks until completion.

Specified by:

forceBatchlogReplay in interface BatchlogManagerMBean

Throws:

Exception

startBatchlogReplay

public Future<?> startBatchlogReplay()

setRate

public void setRate(int throttleInKB)

Sets the rate for the current rate limiter. When throttleInKB is 0, this sets the rate to Double.MAX_VALUE bytes per second.

Parameters:

throttleInKB - throughput to set in KiB per second

getBatchlogTimeout

public static long getBatchlogTimeout()