Package com.orientechnologies.common.jnr

Class ONative

java.lang.Object

com.orientechnologies.common.jnr.ONative

public class ONative
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	ONative.MemoryLimitResult

Field Summary

Fields

Modifier and Type	Field	Description
static final int	RLIMIT_AS	Address space limit.
static final int	RLIMIT_NOFILE

Method Summary

Modifier and Type	Method	Description
ONative.MemoryLimitResult	getMemoryLimit(boolean printSteps)
int	getOpenFilesLimit(boolean verbose, int recommended, int defLimit)	Detects limit of limit of open files.
static ONative	instance()
boolean	isOsRoot()

Methods inherited from class java.lang.Object

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

Field Details

RLIMIT_AS

public static final int RLIMIT_AS

Address space limit.

See Also:

• Constant Field Values

RLIMIT_NOFILE

public static final int RLIMIT_NOFILE

See Also:

• Constant Field Values

Method Details

instance

public static ONative instance()

getOpenFilesLimit

public int getOpenFilesLimit(boolean verbose,
 int recommended,
 int defLimit)

Detects limit of limit of open files.

Parameters:

recommended - recommended value of limit of open files.

defLimit - default value for limit of open files.

Returns:

limit of open files, available for the system.

getMemoryLimit

public ONative.MemoryLimitResult getMemoryLimit(boolean printSteps)

Parameters:

printSteps - Print all steps of discovering of memory limit in the log with INFO level.

Returns:

Amount of memory which are allowed to be consumed by application, and detects whether OrientDB instance is running inside container. If null is returned then it was impossible to detect amount of memory on machine.

isOsRoot

public boolean isOsRoot()