org.elasticsearch.common.util.concurrent

Class EsExecutors

java.lang.Object

org.elasticsearch.common.util.concurrent.EsExecutors

public class EsExecutors
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_SYSPROP Useful for testing
static String	PROCESSORS Settings key to manually set the number of available processors.

Method Summary

Methods

Modifier and Type	Method and Description
static int	boundedNumberOfProcessors(Settings settings) Returns the number of processors available but at most 32.
static ThreadFactory	daemonThreadFactory(Settings settings, String... names)
static ThreadFactory	daemonThreadFactory(Settings settings, String namePrefix)
static ThreadFactory	daemonThreadFactory(String namePrefix)
static EsThreadPoolExecutor	newCached(String name, long keepAliveTime, TimeUnit unit, ThreadFactory threadFactory)
static EsThreadPoolExecutor	newFixed(String name, int size, int queueCapacity, ThreadFactory threadFactory)
static EsThreadPoolExecutor	newScaling(String name, int min, int max, long keepAliveTime, TimeUnit unit, ThreadFactory threadFactory)
static PrioritizedEsThreadPoolExecutor	newSinglePrioritizing(String name, ThreadFactory threadFactory)
static String	threadName(Settings settings, String... names)
static String	threadName(Settings settings, String namePrefix)

Methods inherited from class java.lang.Object

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

Field Detail

PROCESSORS

public static final String PROCESSORS

Settings key to manually set the number of available processors. This is used to adjust thread pools sizes etc. per node.

See Also:

Constant Field Values

DEFAULT_SYSPROP

public static final String DEFAULT_SYSPROP

Useful for testing

See Also:

Constant Field Values

Method Detail

boundedNumberOfProcessors

public static int boundedNumberOfProcessors(Settings settings)

Returns the number of processors available but at most 32.

newSinglePrioritizing

public static PrioritizedEsThreadPoolExecutor newSinglePrioritizing(String name,
                                                    ThreadFactory threadFactory)

newScaling

public static EsThreadPoolExecutor newScaling(String name,
                              int min,
                              int max,
                              long keepAliveTime,
                              TimeUnit unit,
                              ThreadFactory threadFactory)

newCached

public static EsThreadPoolExecutor newCached(String name,
                             long keepAliveTime,
                             TimeUnit unit,
                             ThreadFactory threadFactory)

newFixed

public static EsThreadPoolExecutor newFixed(String name,
                            int size,
                            int queueCapacity,
                            ThreadFactory threadFactory)

threadName

public static String threadName(Settings settings,
                String... names)

threadName

public static String threadName(Settings settings,
                String namePrefix)

daemonThreadFactory

public static ThreadFactory daemonThreadFactory(Settings settings,
                                String namePrefix)

daemonThreadFactory

public static ThreadFactory daemonThreadFactory(Settings settings,
                                String... names)

daemonThreadFactory

public static ThreadFactory daemonThreadFactory(String namePrefix)