org.apache.hadoop.hbase.regionserver

Class CellChunkImmutableSegment

java.lang.Object

org.apache.hadoop.hbase.regionserver.Segment

org.apache.hadoop.hbase.regionserver.ImmutableSegment

org.apache.hadoop.hbase.regionserver.CellChunkImmutableSegment

All Implemented Interfaces:

MemStoreSizing

@InterfaceAudience.Private
public class CellChunkImmutableSegment
extends ImmutableSegment

CellChunkImmutableSegment extends the API supported by a Segment, and ImmutableSegment. This immutable segment is working with CellSet with CellChunkMap delegatee.

Field Summary

Fields

Modifier and Type	Field and Description
static long	DEEP_OVERHEAD_CCM
static float	INDEX_CHUNK_UNUSED_SPACE_PRECENTAGE

Fields inherited from class org.apache.hadoop.hbase.regionserver.ImmutableSegment

DEEP_OVERHEAD

Fields inherited from class org.apache.hadoop.hbase.regionserver.Segment

FIXED_OVERHEAD, memStoreSizing, minSequenceId, tagsPresent, timeRangeTracker

Fields inherited from interface org.apache.hadoop.hbase.regionserver.MemStoreSizing

DUD

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CellChunkImmutableSegment(CellComparator comparator, MemStoreSegmentsIterator iterator, MemStoreLAB memStoreLAB, int numOfCells, MemStoreCompactionStrategy.Action action) ------------------------------------------------------------------------ C-tor to be used when new CellChunkImmutableSegment is built as a result of compaction/merge of a list of older ImmutableSegments.
protected	CellChunkImmutableSegment(CSLMImmutableSegment segment, MemStoreSizing memstoreSizing, MemStoreCompactionStrategy.Action action) ------------------------------------------------------------------------ C-tor to be used when new CellChunkImmutableSegment is built as a result of flattening of CSLMImmutableSegment The given iterator returns the Cells that "survived" the compaction.

Method Summary

Modifier and Type	Method and Description
protected boolean	canBeFlattened()
protected long	indexEntryOffHeapSize(boolean offHeap)
protected long	indexEntryOnHeapSize(boolean onHeap)
protected long	indexEntrySize()

Methods inherited from class org.apache.hadoop.hbase.regionserver.ImmutableSegment

getAllSegments, getNumOfSegments, getNumUniqueKeys, toString

Methods inherited from class org.apache.hadoop.hbase.regionserver.Segment

close, compare, compareRows, decScannerCount, getCellsCount, getCellSet, getComparator, getDataSize, getHeapSize, getMemStoreSize, getMinSequenceId, getOffHeapSize, getScanner, getScanners, getTimeRangeTracker, headSet, heapSizeChange, incMemStoreSize, incScannerCount, internalAdd, isEmpty, isTagsPresent, iterator, last, maybeCloneWithAllocator, offHeapSizeChange, setCellSet, shouldSeek, tailSet, updateMetaInfo, updateMetaInfo

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hbase.regionserver.MemStoreSizing

decMemStoreSize, decMemStoreSize, incMemStoreSize

Field Detail

DEEP_OVERHEAD_CCM

public static final long DEEP_OVERHEAD_CCM

INDEX_CHUNK_UNUSED_SPACE_PRECENTAGE

public static final float INDEX_CHUNK_UNUSED_SPACE_PRECENTAGE

See Also:

Constant Field Values

Constructor Detail

CellChunkImmutableSegment

protected CellChunkImmutableSegment(CellComparator comparator,
                                    MemStoreSegmentsIterator iterator,
                                    MemStoreLAB memStoreLAB,
                                    int numOfCells,
                                    MemStoreCompactionStrategy.Action action)

------------------------------------------------------------------------ C-tor to be used when new CellChunkImmutableSegment is built as a result of compaction/merge of a list of older ImmutableSegments. The given iterator returns the Cells that "survived" the compaction.

CellChunkImmutableSegment

protected CellChunkImmutableSegment(CSLMImmutableSegment segment,
                                    MemStoreSizing memstoreSizing,
                                    MemStoreCompactionStrategy.Action action)

------------------------------------------------------------------------ C-tor to be used when new CellChunkImmutableSegment is built as a result of flattening of CSLMImmutableSegment The given iterator returns the Cells that "survived" the compaction.

Method Detail

indexEntryOnHeapSize

protected long indexEntryOnHeapSize(boolean onHeap)

Overrides:

indexEntryOnHeapSize in class Segment

indexEntryOffHeapSize

protected long indexEntryOffHeapSize(boolean offHeap)

Overrides:

indexEntryOffHeapSize in class Segment

indexEntrySize

protected long indexEntrySize()

Specified by:

indexEntrySize in class Segment

canBeFlattened

protected boolean canBeFlattened()

Specified by:

canBeFlattened in class ImmutableSegment