Uses of Interface
org.apache.hadoop.hbase.wal.WAL

Packages that use WAL

Package	Description
org.apache.hadoop.hbase.coprocessor	Table of Contents
org.apache.hadoop.hbase.regionserver
org.apache.hadoop.hbase.regionserver.wal
org.apache.hadoop.hbase.util
org.apache.hadoop.hbase.wal

Uses of WAL in org.apache.hadoop.hbase.coprocessor

Methods in org.apache.hadoop.hbase.coprocessor that return WAL

Modifier and Type	Method and Description
WAL	WALCoprocessorEnvironment.getWAL()

Uses of WAL in org.apache.hadoop.hbase.regionserver

Methods in org.apache.hadoop.hbase.regionserver that return WAL

Modifier and Type	Method and Description
WAL	HRegion.getWAL()
WAL	HRegionServer.getWAL(HRegionInfo regionInfo)
WAL	RegionServerServices.getWAL(HRegionInfo regionInfo)

Methods in org.apache.hadoop.hbase.regionserver with parameters of type WAL

Modifier and Type	Method and Description
void	LogRoller.addWAL(WAL wal)
static HRegion	HRegion.createHRegion(HRegionInfo info, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.conf.Configuration conf, HTableDescriptor hTableDescriptor, WAL wal)
static HRegion	HRegion.createHRegion(HRegionInfo info, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.conf.Configuration conf, HTableDescriptor hTableDescriptor, WAL wal, boolean initialize) Convenience method creating new HRegions.
static HRegion	HRegion.createHRegion(HRegionInfo info, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.conf.Configuration conf, HTableDescriptor hTableDescriptor, WAL wal, boolean initialize, boolean ignoreWAL) Convenience method creating new HRegions.
static HRegion	HRegion.createHRegion(HRegionInfo info, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.fs.Path tableDir, org.apache.hadoop.conf.Configuration conf, HTableDescriptor hTableDescriptor, WAL wal, boolean initialize, boolean ignoreWAL) Convenience method creating new HRegions.
protected long	HRegion.getNextSequenceId(WAL wal) Method to safely get the next sequence number.
protected Region.FlushResult	HRegion.internalFlushcache(WAL wal, long myseqid, Collection<Store> storesToFlush, MonitoredTask status, boolean writeFlushWalMarker) Flush the memstore.
protected Region.FlushResult	HRegion.internalFlushCacheAndCommit(WAL wal, MonitoredTask status, org.apache.hadoop.hbase.regionserver.HRegion.PrepareFlushResult prepareResult, Collection<Store> storesToFlush)
protected org.apache.hadoop.hbase.regionserver.HRegion.PrepareFlushResult	HRegion.internalPrepareFlushCache(WAL wal, long myseqid, Collection<Store> storesToFlush, MonitoredTask status, boolean writeFlushWalMarker)
static HRegion	HRegion.openHRegion(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path rootDir, HRegionInfo info, HTableDescriptor htd, WAL wal) Open a Region.
static HRegion	HRegion.openHRegion(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path rootDir, HRegionInfo info, HTableDescriptor htd, WAL wal, RegionServerServices rsServices, CancelableProgressable reporter) Open a Region.
static HRegion	HRegion.openHRegion(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path rootDir, org.apache.hadoop.fs.Path tableDir, HRegionInfo info, HTableDescriptor htd, WAL wal, RegionServerServices rsServices, CancelableProgressable reporter) Open a Region.
static HRegion	HRegion.openHRegion(HRegionInfo info, HTableDescriptor htd, WAL wal, org.apache.hadoop.conf.Configuration conf) Open a Region.
static HRegion	HRegion.openHRegion(HRegionInfo info, HTableDescriptor htd, WAL wal, org.apache.hadoop.conf.Configuration conf, RegionServerServices rsServices, CancelableProgressable reporter) Open a Region.
static HRegion	HRegion.openHRegion(org.apache.hadoop.fs.Path rootDir, HRegionInfo info, HTableDescriptor htd, WAL wal, org.apache.hadoop.conf.Configuration conf) Open a Region.
static HRegion	HRegion.openHRegion(org.apache.hadoop.fs.Path rootDir, HRegionInfo info, HTableDescriptor htd, WAL wal, org.apache.hadoop.conf.Configuration conf, RegionServerServices rsServices, CancelableProgressable reporter) Open a Region.
static void	HRegion.warmupHRegion(HRegionInfo info, HTableDescriptor htd, WAL wal, org.apache.hadoop.conf.Configuration conf, RegionServerServices rsServices, CancelableProgressable reporter)

Constructors in org.apache.hadoop.hbase.regionserver with parameters of type WAL

Constructor and Description
HRegion(HRegionFileSystem fs, WAL wal, org.apache.hadoop.conf.Configuration confParam, HTableDescriptor htd, RegionServerServices rsServices) HRegion constructor.
HRegion(org.apache.hadoop.fs.Path tableDir, WAL wal, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.conf.Configuration confParam, HRegionInfo regionInfo, HTableDescriptor htd, RegionServerServices rsServices) Deprecated.

Uses of WAL in org.apache.hadoop.hbase.regionserver.wal

Classes in org.apache.hadoop.hbase.regionserver.wal that implement WAL

Modifier and Type	Class and Description
class	FSHLog Implementation of WAL to go against FileSystem; i.e.

Methods in org.apache.hadoop.hbase.regionserver.wal with parameters of type WAL

Modifier and Type	Method and Description
static long	WALUtil.writeBulkLoadMarkerAndSync(WAL wal, HTableDescriptor htd, HRegionInfo info, WALProtos.BulkLoadDescriptor descriptor, AtomicLong sequenceId) Write a log marker that a bulk load has succeeded and is about to be committed.
static void	WALUtil.writeCompactionMarker(WAL log, HTableDescriptor htd, HRegionInfo info, WALProtos.CompactionDescriptor c, AtomicLong sequenceId) Write the marker that a compaction has succeeded and is about to be committed.
static long	WALUtil.writeFlushMarker(WAL log, HTableDescriptor htd, HRegionInfo info, WALProtos.FlushDescriptor f, AtomicLong sequenceId, boolean sync) Write a flush marker indicating a start / abort or a complete of a region flush
static long	WALUtil.writeRegionEventMarker(WAL log, HTableDescriptor htd, HRegionInfo info, WALProtos.RegionEventDescriptor r, AtomicLong sequenceId) Write a region open marker indicating that the region is opened

Constructors in org.apache.hadoop.hbase.regionserver.wal with parameters of type WAL

Constructor and Description
WALCoprocessorHost(WAL log, org.apache.hadoop.conf.Configuration conf) Constructor

Uses of WAL in org.apache.hadoop.hbase.util

Methods in org.apache.hadoop.hbase.util that return WAL

Modifier and Type	Method and Description
WAL	MetaUtils.getLog(HRegionInfo info)

Uses of WAL in org.apache.hadoop.hbase.wal

Methods in org.apache.hadoop.hbase.wal that return WAL

Modifier and Type	Method and Description
WAL	WALFactory.getMetaWAL(byte[] identifier)
WAL	WALProvider.getWAL(byte[] identifier)
WAL	DefaultWALProvider.getWAL(byte[] identifier)
WAL	WALFactory.getWAL(byte[] identifier)

Methods in org.apache.hadoop.hbase.wal with parameters of type WAL

Modifier and Type	Method and Description
static long	DefaultWALProvider.extractFileNumFromWAL(WAL wal) It returns the file create timestamp from the file name.
static org.apache.hadoop.fs.Path	DefaultWALProvider.getCurrentFileName(WAL wal) return the current filename from the current wal.
static int	DefaultWALProvider.getNumRolledLogFiles(WAL wal) returns the number of rolled WAL files.