net.openhft.chronicle.bytes

Class PageUtil

java.lang.Object

net.openhft.chronicle.bytes.PageUtil

public final class PageUtil
extends Object

Provides file systems' page size auto-resolving. Linux and hugetlbfs specific only for now.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_HUGE_PAGE_SIZE

Constructor Summary

Constructors

Constructor and Description
PageUtil()

Method Summary

Modifier and Type	Method and Description
static int	getPageSize(@NotNull String absolutePath) Returns page size obtained from auto-scanned hugetlbfs mount points or OS default page size for a given absolute file path
static boolean	isHugePage(@NotNull String absolutePath) Whether given file is located on hugetlbfs

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_HUGE_PAGE_SIZE

public static final int DEFAULT_HUGE_PAGE_SIZE

See Also:

Constant Field Values

Constructor Detail

PageUtil

public PageUtil()

Method Detail

getPageSize

public static int getPageSize(@NotNull
                              @NotNull String absolutePath)

Returns page size obtained from auto-scanned hugetlbfs mount points or OS default page size for a given absolute file path

Parameters:

absolutePath - file path

isHugePage

public static boolean isHugePage(@NotNull
                                 @NotNull String absolutePath)

Whether given file is located on hugetlbfs

Parameters:

absolutePath - file path

Returns:

true if file is located on hugetlbfs