Package org.apache.storm.container.cgroup.core

Class MemoryCore

java.lang.Object

org.apache.storm.container.cgroup.core.MemoryCore

All Implemented Interfaces:

CgroupCore

public class MemoryCore
extends Object
implements CgroupCore

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MemoryCore.Stat

Field Summary

Fields

Modifier and Type	Field	Description
static final String	MEMORY_FAILCNT
static final String	MEMORY_FORCE_EMPTY
static final String	MEMORY_LIMIT_IN_BYTES
static final String	MEMORY_MAX_USAGE_IN_BYTES
static final String	MEMORY_MEMSW_FAILCNT
static final String	MEMORY_MEMSW_LIMIT_IN_BYTES
static final String	MEMORY_MEMSW_MAX_USAGE_IN_BYTES
static final String	MEMORY_MEMSW_USAGE_IN_BYTES
static final String	MEMORY_OOM_CONTROL
static final String	MEMORY_STAT
static final String	MEMORY_SWAPPINESS
static final String	MEMORY_USAGE_IN_BYTES
static final String	MEMORY_USE_HIERARCHY

Constructor Summary

Constructors

Constructor	Description
MemoryCore(String dir)

Method Summary

Modifier and Type	Method	Description
void	clearForceEmpty()
long	getMaxPhysicalUsage()
long	getMaxWithSwapUsage()
int	getPhysicalFailCount()
long	getPhysicalUsage()
long	getPhysicalUsageLimit()
MemoryCore.Stat	getStat()
int	getSwappiness()
SubSystemType	getType()
int	getWithSwapFailCount()
long	getWithSwapUsage()
long	getWithSwapUsageLimit()
boolean	isOomControl()
boolean	isUseHierarchy()
void	setOomControl(boolean flag)
void	setPhysicalUsageLimit(long value)
void	setSwappiness(int value)
void	setUseHierarchy(boolean flag)
void	setWithSwapUsageLimit(long value)

Methods inherited from class java.lang.Object

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

Field Details

MEMORY_STAT

public static final String MEMORY_STAT

See Also:

• Constant Field Values

MEMORY_USAGE_IN_BYTES

public static final String MEMORY_USAGE_IN_BYTES

See Also:

• Constant Field Values

MEMORY_MEMSW_USAGE_IN_BYTES

public static final String MEMORY_MEMSW_USAGE_IN_BYTES

See Also:

• Constant Field Values

MEMORY_MAX_USAGE_IN_BYTES

public static final String MEMORY_MAX_USAGE_IN_BYTES

See Also:

• Constant Field Values

MEMORY_MEMSW_MAX_USAGE_IN_BYTES

public static final String MEMORY_MEMSW_MAX_USAGE_IN_BYTES

See Also:

• Constant Field Values

MEMORY_LIMIT_IN_BYTES

public static final String MEMORY_LIMIT_IN_BYTES

See Also:

• Constant Field Values

MEMORY_MEMSW_LIMIT_IN_BYTES

public static final String MEMORY_MEMSW_LIMIT_IN_BYTES

See Also:

• Constant Field Values

MEMORY_FAILCNT

public static final String MEMORY_FAILCNT

See Also:

• Constant Field Values

MEMORY_MEMSW_FAILCNT

public static final String MEMORY_MEMSW_FAILCNT

See Also:

• Constant Field Values

MEMORY_FORCE_EMPTY

public static final String MEMORY_FORCE_EMPTY

See Also:

• Constant Field Values

MEMORY_SWAPPINESS

public static final String MEMORY_SWAPPINESS

See Also:

• Constant Field Values

MEMORY_USE_HIERARCHY

public static final String MEMORY_USE_HIERARCHY

See Also:

• Constant Field Values

MEMORY_OOM_CONTROL

public static final String MEMORY_OOM_CONTROL

See Also:

• Constant Field Values

Constructor Details

MemoryCore

public MemoryCore(String dir)

Method Details

getType

public SubSystemType getType()

Specified by:

getType in interface CgroupCore

getStat

public MemoryCore.Stat getStat()
                        throws IOException

Throws:

IOException

getPhysicalUsage

public long getPhysicalUsage()
                      throws IOException

Throws:

IOException

getWithSwapUsage

public long getWithSwapUsage()
                      throws IOException

Throws:

IOException

getMaxPhysicalUsage

public long getMaxPhysicalUsage()
                         throws IOException

Throws:

IOException

getMaxWithSwapUsage

public long getMaxWithSwapUsage()
                         throws IOException

Throws:

IOException

getPhysicalUsageLimit

public long getPhysicalUsageLimit()
                           throws IOException

Throws:

IOException

setPhysicalUsageLimit

public void setPhysicalUsageLimit(long value)
                           throws IOException

Throws:

IOException

getWithSwapUsageLimit

public long getWithSwapUsageLimit()
                           throws IOException

Throws:

IOException

setWithSwapUsageLimit

public void setWithSwapUsageLimit(long value)
                           throws IOException

Throws:

IOException

getPhysicalFailCount

public int getPhysicalFailCount()
                         throws IOException

Throws:

IOException

getWithSwapFailCount

public int getWithSwapFailCount()
                         throws IOException

Throws:

IOException

clearForceEmpty

public void clearForceEmpty()
                     throws IOException

Throws:

IOException

getSwappiness

public int getSwappiness()
                  throws IOException

Throws:

IOException

setSwappiness

public void setSwappiness(int value)
                   throws IOException

Throws:

IOException

isUseHierarchy

public boolean isUseHierarchy()
                       throws IOException

Throws:

IOException

setUseHierarchy

public void setUseHierarchy(boolean flag)
                     throws IOException

Throws:

IOException

isOomControl

public boolean isOomControl()
                     throws IOException

Throws:

IOException

setOomControl

public void setOomControl(boolean flag)
                   throws IOException

Throws:

IOException