Package org.elasticsearch.common.util
Class PageCacheRecycler
- java.lang.Object
-
- org.elasticsearch.common.util.PageCacheRecycler
-
- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
,Releasable
public class PageCacheRecycler extends java.lang.Object implements Releasable
A recycler of fixed-size pages.
-
-
Nested Class Summary
Nested Classes Modifier and Type Class Description static class
PageCacheRecycler.Type
-
Field Summary
Fields Modifier and Type Field Description static int
BYTE_PAGE_SIZE
static int
INT_PAGE_SIZE
static Setting<ByteSizeValue>
LIMIT_HEAP_SETTING
static int
LONG_PAGE_SIZE
static PageCacheRecycler
NON_RECYCLING_INSTANCE
static int
OBJECT_PAGE_SIZE
static int
PAGE_SIZE_IN_BYTES
Page size in bytes: 16KBstatic Setting<PageCacheRecycler.Type>
TYPE_SETTING
static Setting<java.lang.Double>
WEIGHT_BYTES_SETTING
static Setting<java.lang.Double>
WEIGHT_INT_SETTING
static Setting<java.lang.Double>
WEIGHT_LONG_SETTING
static Setting<java.lang.Double>
WEIGHT_OBJECTS_SETTING
-
Constructor Summary
Constructors Constructor Description PageCacheRecycler(Settings settings)
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Recycler.V<byte[]>
bytePage(boolean clear)
void
close()
Recycler.V<int[]>
intPage(boolean clear)
Recycler.V<long[]>
longPage(boolean clear)
Recycler.V<java.lang.Object[]>
objectPage()
-
-
-
Field Detail
-
TYPE_SETTING
public static final Setting<PageCacheRecycler.Type> TYPE_SETTING
-
LIMIT_HEAP_SETTING
public static final Setting<ByteSizeValue> LIMIT_HEAP_SETTING
-
WEIGHT_BYTES_SETTING
public static final Setting<java.lang.Double> WEIGHT_BYTES_SETTING
-
WEIGHT_LONG_SETTING
public static final Setting<java.lang.Double> WEIGHT_LONG_SETTING
-
WEIGHT_INT_SETTING
public static final Setting<java.lang.Double> WEIGHT_INT_SETTING
-
WEIGHT_OBJECTS_SETTING
public static final Setting<java.lang.Double> WEIGHT_OBJECTS_SETTING
-
PAGE_SIZE_IN_BYTES
public static final int PAGE_SIZE_IN_BYTES
Page size in bytes: 16KB- See Also:
- Constant Field Values
-
OBJECT_PAGE_SIZE
public static final int OBJECT_PAGE_SIZE
-
LONG_PAGE_SIZE
public static final int LONG_PAGE_SIZE
- See Also:
- Constant Field Values
-
INT_PAGE_SIZE
public static final int INT_PAGE_SIZE
- See Also:
- Constant Field Values
-
BYTE_PAGE_SIZE
public static final int BYTE_PAGE_SIZE
- See Also:
- Constant Field Values
-
NON_RECYCLING_INSTANCE
public static final PageCacheRecycler NON_RECYCLING_INSTANCE
-
-
Constructor Detail
-
PageCacheRecycler
public PageCacheRecycler(Settings settings)
-
-
Method Detail
-
close
public void close()
- Specified by:
close
in interfacejava.lang.AutoCloseable
- Specified by:
close
in interfacejava.io.Closeable
- Specified by:
close
in interfaceReleasable
-
bytePage
public Recycler.V<byte[]> bytePage(boolean clear)
-
intPage
public Recycler.V<int[]> intPage(boolean clear)
-
longPage
public Recycler.V<long[]> longPage(boolean clear)
-
objectPage
public Recycler.V<java.lang.Object[]> objectPage()
-
-