org.apache.hadoop.hbase.regionserver

Class CellArrayImmutableSegment

java.lang.Object

org.apache.hadoop.hbase.regionserver.Segment

org.apache.hadoop.hbase.regionserver.ImmutableSegment

org.apache.hadoop.hbase.regionserver.CellArrayImmutableSegment

All Implemented Interfaces:

MemStoreSizing

@InterfaceAudience.Private
public class CellArrayImmutableSegment
extends ImmutableSegment

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

Field Summary

Fields

Modifier and Type	Field and Description
static long	DEEP_OVERHEAD_CAM

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	CellArrayImmutableSegment(CellComparator comparator, MemStoreSegmentsIterator iterator, MemStoreLAB memStoreLAB, int numOfCells, MemStoreCompactionStrategy.Action action) ------------------------------------------------------------------------ C-tor to be used when new CellArrayImmutableSegment is a result of compaction of a list of older ImmutableSegments.
protected	CellArrayImmutableSegment(CSLMImmutableSegment segment, MemStoreSizing mss, 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	indexEntrySize()
private void	initializeCellSet(int numOfCells, MemStoreSegmentsIterator iterator, MemStoreCompactionStrategy.Action action)
private void	reinitializeCellSet(int numOfCells, KeyValueScanner segmentScanner, CellSet oldCellSet, MemStoreCompactionStrategy.Action action)

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

getAllSegments, getNumOfSegments, getNumUniqueKeys, getSnapshotScanners, toString

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

close, compare, compareAndSetDataSize, compareRows, decScannerCount, dump, getCellLength, getCellsCount, getCellSet, getComparator, getDataSize, getHeapSize, getMemStoreLAB, getMemStoreSize, getMinSequenceId, getOffHeapSize, getScanner, getScanners, getTimeRangeTracker, headSet, heapSizeChange, incMemStoreSize, incScannerCount, indexEntryOffHeapSize, indexEntryOnHeapSize, internalAdd, isEmpty, isTagsPresent, iterator, last, maybeCloneWithAllocator, offHeapSizeChange, setCellSet, sharedLock, sharedUnlock, shouldSeek, tailSet, updateMetaInfo, updateMetaInfo, waitForUpdates

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_CAM

public static final long DEEP_OVERHEAD_CAM

Constructor Detail

CellArrayImmutableSegment

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

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

CellArrayImmutableSegment

protected CellArrayImmutableSegment(CSLMImmutableSegment segment,
                                    MemStoreSizing mss,
                                    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

indexEntrySize

protected long indexEntrySize()

Specified by:

indexEntrySize in class Segment

canBeFlattened

protected boolean canBeFlattened()

Specified by:

canBeFlattened in class ImmutableSegment

initializeCellSet

private void initializeCellSet(int numOfCells,
                               MemStoreSegmentsIterator iterator,
                               MemStoreCompactionStrategy.Action action)

reinitializeCellSet

private void reinitializeCellSet(int numOfCells,
                                 KeyValueScanner segmentScanner,
                                 CellSet oldCellSet,
                                 MemStoreCompactionStrategy.Action action)