org.apache.hadoop.hbase.io.hfile

Class PrefetchExecutor

java.lang.Object

org.apache.hadoop.hbase.io.hfile.PrefetchExecutor

@InterfaceAudience.Private
public final class PrefetchExecutor
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	PREFETCH_DELAY Wait time in miliseconds before executing prefetch
static String	PREFETCH_DELAY_VARIATION
static float	PREFETCH_DELAY_VARIATION_DEFAULT_VALUE

Method Summary

Modifier and Type	Method and Description
static void	cancel(org.apache.hadoop.fs.Path path)
static void	complete(org.apache.hadoop.fs.Path path)
static int	getPrefetchDelay()
static void	interrupt(org.apache.hadoop.fs.Path path)
static boolean	isCompleted(org.apache.hadoop.fs.Path path)
static void	loadConfiguration(org.apache.hadoop.conf.Configuration conf)
static void	request(org.apache.hadoop.fs.Path path, Runnable runnable)

Methods inherited from class java.lang.Object

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

Field Detail

PREFETCH_DELAY

public static final String PREFETCH_DELAY

Wait time in miliseconds before executing prefetch

See Also:

Constant Field Values

PREFETCH_DELAY_VARIATION

public static final String PREFETCH_DELAY_VARIATION

See Also:

Constant Field Values

PREFETCH_DELAY_VARIATION_DEFAULT_VALUE

public static final float PREFETCH_DELAY_VARIATION_DEFAULT_VALUE

See Also:

Constant Field Values

Method Detail

request

public static void request(org.apache.hadoop.fs.Path path,
                           Runnable runnable)

complete

public static void complete(org.apache.hadoop.fs.Path path)

cancel

public static void cancel(org.apache.hadoop.fs.Path path)

interrupt

public static void interrupt(org.apache.hadoop.fs.Path path)

isCompleted

public static boolean isCompleted(org.apache.hadoop.fs.Path path)

getPrefetchDelay

public static int getPrefetchDelay()

loadConfiguration

public static void loadConfiguration(org.apache.hadoop.conf.Configuration conf)