类 org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl
的使用

使用MultiVersionConcurrencyControl的程序包

程序包	说明
org.apache.hadoop.hbase.regionserver
org.apache.hadoop.hbase.regionserver.wal
org.apache.hadoop.hbase.wal

org.apache.hadoop.hbase.regionserver中MultiVersionConcurrencyControl的使用

返回MultiVersionConcurrencyControl的org.apache.hadoop.hbase.regionserver中的方法

限定符和类型	方法和说明
MultiVersionConcurrencyControl	HRegion.getMVCC()

org.apache.hadoop.hbase.regionserver.wal中MultiVersionConcurrencyControl的使用

参数类型为MultiVersionConcurrencyControl的org.apache.hadoop.hbase.regionserver.wal中的方法

限定符和类型	方法和说明
static long	WALUtil.writeBulkLoadMarkerAndSync(WAL wal, HTableDescriptor htd, HRegionInfo hri, org.apache.hadoop.hbase.protobuf.generated.WALProtos.BulkLoadDescriptor desc, MultiVersionConcurrencyControl mvcc) Write a log marker that a bulk load has succeeded and is about to be committed.
static long	WALUtil.writeCompactionMarker(WAL wal, HTableDescriptor htd, HRegionInfo hri, org.apache.hadoop.hbase.protobuf.generated.WALProtos.CompactionDescriptor c, MultiVersionConcurrencyControl mvcc) Write the marker that a compaction has succeeded and is about to be committed.
static long	WALUtil.writeFlushMarker(WAL wal, HTableDescriptor htd, HRegionInfo hri, org.apache.hadoop.hbase.protobuf.generated.WALProtos.FlushDescriptor f, boolean sync, MultiVersionConcurrencyControl mvcc) Write a flush marker indicating a start / abort or a complete of a region flush
static long	WALUtil.writeRegionEventMarker(WAL wal, HTableDescriptor htd, HRegionInfo hri, org.apache.hadoop.hbase.protobuf.generated.WALProtos.RegionEventDescriptor r, MultiVersionConcurrencyControl mvcc) Write a region open marker indicating that the region is opened

参数类型为MultiVersionConcurrencyControl的org.apache.hadoop.hbase.regionserver.wal中的构造器

构造器和说明
HLogKey(byte[] encodedRegionName, TableName tablename, long now, List<UUID> clusterIds, long nonceGroup, long nonce, MultiVersionConcurrencyControl mvcc) 已过时。 Create the log key for writing to somewhere.
HLogKey(byte[] encodedRegionName, TableName tablename, long logSeqNum, long now, List<UUID> clusterIds, long nonceGroup, long nonce, MultiVersionConcurrencyControl mvcc) 已过时。 Create the log key for writing to somewhere.
HLogKey(byte[] encodedRegionName, TableName tablename, long logSeqNum, long nonceGroup, long nonce, MultiVersionConcurrencyControl mvcc) 已过时。 Create the log key for writing to somewhere.
HLogKey(byte[] encodedRegionName, TableName tablename, long now, MultiVersionConcurrencyControl mvcc) 已过时。
ReplayHLogKey(byte[] encodedRegionName, TableName tablename, long now, List<UUID> clusterIds, long nonceGroup, long nonce, MultiVersionConcurrencyControl mvcc)
ReplayHLogKey(byte[] encodedRegionName, TableName tablename, long logSeqNum, long now, List<UUID> clusterIds, long nonceGroup, long nonce, MultiVersionConcurrencyControl mvcc)

org.apache.hadoop.hbase.wal中MultiVersionConcurrencyControl的使用

返回MultiVersionConcurrencyControl的org.apache.hadoop.hbase.wal中的方法

限定符和类型	方法和说明
MultiVersionConcurrencyControl	WALKey.getMvcc()

参数类型为MultiVersionConcurrencyControl的org.apache.hadoop.hbase.wal中的方法

限定符和类型	方法和说明
protected void	WALKey.init(byte[] encodedRegionName, TableName tablename, long logSeqNum, long now, List<UUID> clusterIds, long nonceGroup, long nonce, MultiVersionConcurrencyControl mvcc)

参数类型为MultiVersionConcurrencyControl的org.apache.hadoop.hbase.wal中的构造器

构造器和说明
WALKey(byte[] encodedRegionName, TableName tablename, long now, List<UUID> clusterIds, long nonceGroup, long nonce, MultiVersionConcurrencyControl mvcc) Create the log key for writing to somewhere.
WALKey(byte[] encodedRegionName, TableName tablename, long logSeqNum, long now, List<UUID> clusterIds, long nonceGroup, long nonce, MultiVersionConcurrencyControl mvcc) Create the log key for writing to somewhere.
WALKey(byte[] encodedRegionName, TableName tablename, long logSeqNum, long nonceGroup, long nonce, MultiVersionConcurrencyControl mvcc) Create the log key for writing to somewhere.
WALKey(byte[] encodedRegionName, TableName tablename, long now, MultiVersionConcurrencyControl mvcc)