程序包 | 说明 |
---|---|
org.apache.hadoop.hbase | |
org.apache.hadoop.hbase.client |
Provides HBase Client
Table of Contents
Overview
Example API Usage
Overview
To administer HBase, create and drop tables, list and alter tables,
use
Admin . |
限定符和类型 | 方法和说明 |
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static RegionLocations |
MetaTableAccessor.getRegionLocations(Result r)
Returns an HRegionLocationList extracted from the result.
|
RegionLocations |
RegionLocations.mergeLocations(RegionLocations other)
Merges this RegionLocations list with the given list assuming
same range, and keeping the most up to date version of the
HRegionLocation entries from either list according to seqNum.
|
RegionLocations |
RegionLocations.remove(HRegionLocation location)
Removes the given location from the list
|
RegionLocations |
RegionLocations.remove(int replicaId)
Removes location of the given replicaId from the list
|
RegionLocations |
RegionLocations.removeByServer(ServerName serverName)
Returns a new RegionLocations with the locations removed (set to null)
which have the destination server as given.
|
RegionLocations |
RegionLocations.removeElementsWithNullLocation()
Set the element to null if its getServerName method returns null.
|
RegionLocations |
RegionLocations.updateLocation(HRegionLocation location,
boolean checkForEquals,
boolean force)
Updates the location with new only if the new location has a higher
seqNum than the old one or force is true.
|
限定符和类型 | 方法和说明 |
---|---|
RegionLocations |
RegionLocations.mergeLocations(RegionLocations other)
Merges this RegionLocations list with the given list assuming
same range, and keeping the most up to date version of the
HRegionLocation entries from either list according to seqNum.
|
限定符和类型 | 方法和说明 |
---|---|
RegionLocations |
MetaCache.getCachedLocation(TableName tableName,
byte[] row)
Search the cache for a location that fits our table and row key.
|
static RegionLocations |
RegionAdminServiceCallable.getRegionLocations(ClusterConnection connection,
TableName tableName,
byte[] row,
boolean useCache,
int replicaId) |
RegionLocations |
ClusterConnection.locateRegion(TableName tableName,
byte[] row,
boolean useCache,
boolean retry) |
RegionLocations |
ClusterConnection.locateRegion(TableName tableName,
byte[] row,
boolean useCache,
boolean retry,
int replicaId) |
RegionLocations |
ClusterConnection.relocateRegion(TableName tableName,
byte[] row,
int replicaId)
Find the location of the region of tableName that row
lives in, ignoring any value that might be in the cache.
|
限定符和类型 | 方法和说明 |
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void |
ClusterConnection.cacheLocation(TableName tableName,
RegionLocations location) |
void |
MetaCache.cacheLocation(TableName tableName,
RegionLocations locations)
Put a newly discovered HRegionLocation into the cache.
|
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